{"id":5834,"date":"2025-03-11T01:00:00","date_gmt":"2025-03-10T18:00:00","guid":{"rendered":"https:\/\/hoachatlocthien.com\/?p=5834"},"modified":"2025-07-17T15:27:10","modified_gmt":"2025-07-17T08:27:10","slug":"sat-3","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/en\/sat-3","title":{"rendered":"S\u1eaft 3 : T\u00ednh Ch\u1ea5t, \u1ee8ng D\u1ee5ng &#038; B\u1ea3o Qu\u1ea3n"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">S\u1eaft (III) (Fe\u00b3\u207a) l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 kim lo\u1ea1i quan tr\u1ecdng, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong x\u1eed l\u00fd n\u01b0\u1edbc, c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, luy\u1ec7n kim, \u0111i\u1ec7n t\u1eed, s\u1ea3n xu\u1ea5t s\u01a1n v\u00e0 g\u1ed1m s\u1ee9. C\u00e1c h\u1ee3p ch\u1ea5t s\u1eaft 3 nh\u01b0 FeCl\u2083, Fe\u2082(SO\u2084)\u2083 c\u00f3 t\u00e1c d\u1ee5ng k\u1ebft t\u1ee7a, lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t v\u00e0 x\u1eed l\u00fd kim lo\u1ea1i n\u1eb7ng trong n\u01b0\u1edbc th\u1ea3i, gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t v\u00e0 gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/span><span style=\"font-weight: 400;\">C\u00f4ng ty L\u1ed9c Thi\u00ean chuy\u00ean cung c\u1ea5p c\u00e1c h\u1ee3p ch\u1ea5t S\u1eaft 3 ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u1ea3m b\u1ea3o ngu\u1ed3n h\u00e0ng \u1ed5n \u0111\u1ecbnh cho c\u00e1c ng\u00e0nh s\u1ea3n xu\u1ea5t t\u1ea1i Vi\u1ec7t Nam.<\/span><\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Cac_Hop_Chat_Chua_Sat_3_Duoc_Su_Dung_Nhieu_Nhat\" title=\"C\u00e1c H\u1ee3p Ch\u1ea5t Ch\u1ee9a S\u1eaft 3 \u0110\u01b0\u1ee3c S\u1eed D\u1ee5ng Nhi\u1ec1u Nh\u1ea5t\">C\u00e1c H\u1ee3p Ch\u1ea5t Ch\u1ee9a S\u1eaft 3 \u0110\u01b0\u1ee3c S\u1eed D\u1ee5ng Nhi\u1ec1u Nh\u1ea5t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Fe%E2%82%82SO%E2%82%84%E2%82%83_%E2%80%93_Sat_III_Sunfat\" title=\"Fe\u2082(SO\u2084)\u2083 &#8211; S\u1eaft (III) Sunfat\">Fe\u2082(SO\u2084)\u2083 &#8211; S\u1eaft (III) Sunfat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#FeCl%E2%82%83_%E2%80%93_Sat_III_Clorua\" title=\"FeCl\u2083 &#8211; S\u1eaft (III) Clorua\">FeCl\u2083 &#8211; S\u1eaft (III) Clorua<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#FeNO%E2%82%83%E2%82%83_%E2%80%93_Sat_III_Nitrat\" title=\"Fe(NO\u2083)\u2083 &#8211; S\u1eaft (III) Nitrat\">Fe(NO\u2083)\u2083 &#8211; S\u1eaft (III) Nitrat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Fe%E2%82%82O%E2%82%83_%E2%80%93_Sat_III_Oxit\" title=\"Fe\u2082O\u2083 &#8211; S\u1eaft (III) Oxit\">Fe\u2082O\u2083 &#8211; S\u1eaft (III) Oxit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#FeOH%E2%82%83_%E2%80%93_Sat_III_Hydroxit\" title=\"Fe(OH)\u2083 &#8211; S\u1eaft (III) Hydroxit\">Fe(OH)\u2083 &#8211; S\u1eaft (III) Hydroxit<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#So_sanh_Sat_II_va_Sat_III\" title=\"So s\u00e1nh S\u1eaft (II) v\u00e0 S\u1eaft (III)\">So s\u00e1nh S\u1eaft (II) v\u00e0 S\u1eaft (III)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#So_Sanh_Cac_Hop_Chat_Chua_Sat_III\" title=\"So S\u00e1nh C\u00e1c H\u1ee3p Ch\u1ea5t Ch\u1ee9a S\u1eaft (III)\">So S\u00e1nh C\u00e1c H\u1ee3p Ch\u1ea5t Ch\u1ee9a S\u1eaft (III)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Ung_Dung_Cua_Sat_3_Trong_Cong_Nghiep\" title=\"\u1ee8ng D\u1ee5ng C\u1ee7a S\u1eaft 3 Trong C\u00f4ng Nghi\u1ec7p\">\u1ee8ng D\u1ee5ng C\u1ee7a S\u1eaft 3 Trong C\u00f4ng Nghi\u1ec7p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#_Xu_Ly_Nuoc_Thai_Cong_Nghiep\" title=\"&nbsp;Industrial Wastewater Treatment\">&nbsp;Industrial Wastewater Treatment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Nganh_Son_Gom_Su\" title=\"Ng\u00e0nh S\u01a1n &amp; G\u1ed1m S\u1ee9\">Ng\u00e0nh S\u01a1n &amp; G\u1ed1m S\u1ee9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Cong_Nghiep_Dien_Tu\" title=\"C\u00f4ng Nghi\u1ec7p \u0110i\u1ec7n T\u1eed\">C\u00f4ng Nghi\u1ec7p \u0110i\u1ec7n T\u1eed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#San_Xuat_Phan_Bon\" title=\"S\u1ea3n Xu\u1ea5t Ph\u00e2n B\u00f3n\">S\u1ea3n Xu\u1ea5t Ph\u00e2n B\u00f3n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Huong_Dan_Bao_Quan_Va_An_Toan_Khi_Su_Dung_Hoa_Chat_Sat_3\" title=\"H\u01b0\u1edbng D\u1eabn B\u1ea3o Qu\u1ea3n V\u00e0 An To\u00e0n Khi S\u1eed D\u1ee5ng H\u00f3a Ch\u1ea5t S\u1eaft 3\">H\u01b0\u1edbng D\u1eabn B\u1ea3o Qu\u1ea3n V\u00e0 An To\u00e0n Khi S\u1eed D\u1ee5ng H\u00f3a Ch\u1ea5t S\u1eaft 3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Bao_Quan_Hoa_Chat_Sat_3_Dung_Cach\" title=\"B\u1ea3o Qu\u1ea3n H\u00f3a Ch\u1ea5t S\u1eaft 3 \u0110\u00fang C\u00e1ch\">B\u1ea3o Qu\u1ea3n H\u00f3a Ch\u1ea5t S\u1eaft 3 \u0110\u00fang C\u00e1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Huong_Dan_An_Toan_Khi_Su_Dung_Hoa_Chat_Sat_III\" title=\"H\u01b0\u1edbng D\u1eabn An To\u00e0n Khi S\u1eed D\u1ee5ng H\u00f3a Ch\u1ea5t S\u1eaft (III)\">H\u01b0\u1edbng D\u1eabn An To\u00e0n Khi S\u1eed D\u1ee5ng H\u00f3a Ch\u1ea5t S\u1eaft (III)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Xu_Ly_Su_Co_Khi_Tiep_Xuc_Voi_Hoa_Chat\" title=\"X\u1eed L\u00fd S\u1ef1 C\u1ed1 Khi Ti\u1ebfp X\u00fac V\u1edbi H\u00f3a Ch\u1ea5t\">X\u1eed L\u00fd S\u1ef1 C\u1ed1 Khi Ti\u1ebfp X\u00fac V\u1edbi H\u00f3a Ch\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Bien_Phap_Xu_Ly_Khi_Tran_Do_Hoa_Chat_Sat_III\" title=\"Bi\u1ec7n Ph\u00e1p X\u1eed L\u00fd Khi Tr\u00e0n \u0110\u1ed5 H\u00f3a Ch\u1ea5t S\u1eaft (III)\">Bi\u1ec7n Ph\u00e1p X\u1eed L\u00fd Khi Tr\u00e0n \u0110\u1ed5 H\u00f3a Ch\u1ea5t S\u1eaft (III)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Quy_Trinh_Xu_Ly_Chat_Thai_Hoa_Chat_Sat_3_Theo_Tieu_Chuan\" title=\"Quy Tr\u00ecnh X\u1eed L\u00fd Ch\u1ea5t Th\u1ea3i H\u00f3a Ch\u1ea5t S\u1eaft 3 Theo Ti\u00eau Chu\u1ea9n\">Quy Tr\u00ecnh X\u1eed L\u00fd Ch\u1ea5t Th\u1ea3i H\u00f3a Ch\u1ea5t S\u1eaft 3 Theo Ti\u00eau Chu\u1ea9n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Mua_Hoa_Chat_Sat_III_Uy_Tin_%E2%80%93_Loc_Thien\" title=\"Mua H\u00f3a Ch\u1ea5t S\u1eaft (III) Uy T\u00edn &#8211; L\u1ed9c Thi\u00ean\">Mua H\u00f3a Ch\u1ea5t S\u1eaft (III) Uy T\u00edn &#8211; L\u1ed9c Thi\u00ean<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Ly_do_doanh_nghiep_lua_chon_Loc_Thien\" title=\"L\u00fd do doanh nghi\u1ec7p l\u1ef1a ch\u1ecdn L\u1ed9c Thi\u00ean\">L\u00fd do doanh nghi\u1ec7p l\u1ef1a ch\u1ecdn L\u1ed9c Thi\u00ean<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Thong_tin_lien_he\" title=\"Th\u00f4ng tin li\u00ean h\u1ec7\">Th\u00f4ng tin li\u00ean h\u1ec7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Su_khac_biet_giua_Sat_II_va_Sat_III_trong_ung_dung_cong_nghiep_la_gi\" title=\"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa S\u1eaft (II) v\u00e0 S\u1eaft (III) trong \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p l\u00e0 g\u00ec?\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa S\u1eaft (II) v\u00e0 S\u1eaft (III) trong \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Sat_III_co_vai_tro_gi_trong_nong_nghiep_va_phan_bon_vi_luong\" title=\"S\u1eaft (III) c\u00f3 vai tr\u00f2 g\u00ec trong n\u00f4ng nghi\u1ec7p v\u00e0 ph\u00e2n b\u00f3n vi l\u01b0\u1ee3ng?\">S\u1eaft (III) c\u00f3 vai tr\u00f2 g\u00ec trong n\u00f4ng nghi\u1ec7p v\u00e0 ph\u00e2n b\u00f3n vi l\u01b0\u1ee3ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Vi_sao_Sat_III_Clorua_duoc_dung_de_an_mon_bang_mach_PCB\" title=\"V\u00ec sao S\u1eaft (III) Clorua \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0103n m\u00f2n b\u1ea3ng m\u1ea1ch PCB?\">V\u00ec sao S\u1eaft (III) Clorua \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0103n m\u00f2n b\u1ea3ng m\u1ea1ch PCB?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Co_the_thay_the_Sat_III_Sunfat_bang_Sat_III_Clorua_trong_xu_ly_nuoc_khong\" title=\"C\u00f3 th\u1ec3 thay th\u1ebf S\u1eaft (III) Sunfat b\u1eb1ng S\u1eaft (III) Clorua trong x\u1eed l\u00fd n\u01b0\u1edbc kh\u00f4ng?\">C\u00f3 th\u1ec3 thay th\u1ebf S\u1eaft (III) Sunfat b\u1eb1ng S\u1eaft (III) Clorua trong x\u1eed l\u00fd n\u01b0\u1edbc kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/hoachatlocthien.com\/en\/sat-3\/#Co_the_tai_che_hoac_xu_ly_chat_thai_chua_hop_chat_Sat_III_nhu_the_nao\" title=\"C\u00f3 th\u1ec3 t\u00e1i ch\u1ebf ho\u1eb7c x\u1eed l\u00fd ch\u1ea5t th\u1ea3i ch\u1ee9a h\u1ee3p ch\u1ea5t S\u1eaft (III) nh\u01b0 th\u1ebf n\u00e0o?\">C\u00f3 th\u1ec3 t\u00e1i ch\u1ebf ho\u1eb7c x\u1eed l\u00fd ch\u1ea5t th\u1ea3i ch\u1ee9a h\u1ee3p ch\u1ea5t S\u1eaft (III) nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cac_Hop_Chat_Chua_Sat_3_Duoc_Su_Dung_Nhieu_Nhat\"><\/span><b>C\u00e1c H\u1ee3p Ch\u1ea5t Ch\u1ee9a S\u1eaft 3 \u0110\u01b0\u1ee3c S\u1eed D\u1ee5ng Nhi\u1ec1u Nh\u1ea5t<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><p>C\u00e1c h\u1ee3p ch\u1ea5t <strong>S\u1eaft (III)<\/strong> c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 <strong>x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, s\u1ea3n xu\u1ea5t s\u01a1n, g\u1ed1m s\u1ee9, ph\u00e2n b\u00f3n, \u0111i\u1ec7n t\u1eed v\u00e0 d\u1ec7t nhu\u1ed9m<\/strong>. M\u1ed7i h\u1ee3p ch\u1ea5t nh\u01b0 <strong>Fe\u2082(SO\u2084)\u2083 (S\u1eaft (III) Sunfat), FeCl\u2083 (S\u1eaft (III) Clorua), Fe(NO\u2083)\u2083 (S\u1eaft (III) Nitrat), Fe\u2082O\u2083 (S\u1eaft (III) Oxit), Fe(OH)\u2083 (S\u1eaft (III) Hydroxit)<\/strong> \u0111\u1ec1u c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p><p>N\u1ebfu b\u1ea1n \u0111ang c\u1ea7n t\u00ecm n\u01a1i <a href=\"https:\/\/hoachatlocthien.com\/en\/fecl3-sat-iii-chloride\/\">b\u00e1n FeCL3<\/a>, Fe\u2082(SO\u2084)\u2083 ho\u1eb7c c\u00e1c h\u1ee3p ch\u1ea5t S\u1eaft (III) kh\u00e1c ch\u1ea5t l\u01b0\u1ee3ng cao, h\u00e3y tham kh\u1ea3o ngay s\u1ea3n ph\u1ea9m t\u1ea1i L\u1ed9c Thi\u00ean.<\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 <a href=\"https:\/\/hoachatlocthien.com\/en\/sat-2\/\">S\u1eaft 2<\/a><\/p><\/blockquote><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fe%E2%82%82SO%E2%82%84%E2%82%83_%E2%80%93_Sat_III_Sunfat\"><\/span><b>Fe\u2082(SO\u2084)\u2083 &#8211; S\u1eaft (III) Sunfat<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc &amp; v\u1eadt l\u00fd<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">D\u1ea1ng b\u1ed9t m\u00e0u <\/span>v\u00e0ng n\u00e2u, d\u1ec5 h\u00f2a tan trong n\u01b0\u1edbc.<\/li>\n\n<li>Dung d\u1ecbch t\u1ea1o m\u00f4i tr\u01b0\u1eddng axit y\u1ebfu.<\/li>\n\n<li><span style=\"font-weight: 400;\">C\u00f3 t\u00ednh oxy h\u00f3a m\u1ea1nh, c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1.<\/span><\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"400\" height=\"329\" data-sizes=\"(max-width: 400px) 100vw, 400px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/03\/fe2so43.webp\" alt=\"\" class=\"wp-image-5840 lazyload\" style=\"--smush-placeholder-width: 400px; --smush-placeholder-aspect-ratio: 400\/329;width:331px;height:auto\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/figure><\/div><p><b>Application<\/b><\/p><ul class=\"wp-block-list\"><li><b>X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p<\/b><span style=\"font-weight: 400;\">:<\/span><\/li><\/ul><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Fe\u2082(SO\u2084)\u2083 gi\u00fap lo\u1ea1i b\u1ecf <\/span>kim lo\u1ea1i n\u1eb7ng, ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 t\u1ea1p ch\u1ea5t kh\u00f3 ph\u00e2n h\u1ee7y.<\/li>\n\n<li><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t, n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p gi\u1ea5y, d\u1ec7t nhu\u1ed9m, th\u1ef1c ph\u1ea9m.<\/span><\/li><\/ul><ul class=\"wp-block-list\"><li><b>Ng\u00e0nh d\u1ec7t nhu\u1ed9m<\/b><span style=\"font-weight: 400;\">:<\/span><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">\u1ed4n \u0111\u1ecbnh <\/span>m\u00e0u nhu\u1ed9m, gi\u00fap m\u00e0u b\u00e1m ch\u1eafc tr\u00ean s\u1ee3i v\u1ea3i.<\/li>\n\n<li><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf hi\u1ec7n t\u01b0\u1ee3ng phai m\u00e0u khi gi\u1eb7t.<\/span><\/li><\/ul><\/li>\n\n<li><b>Ng\u00e0nh thu\u1ed9c da<\/b><span style=\"font-weight: 400;\">:<\/span><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Gi\u00fap c\u1ea3i thi\u1ec7n <\/span>kh\u1ea3 n\u0103ng b\u00e1m m\u00e0u c\u1ee7a da.<\/li>\n\n<li>\u1ee8ng d\u1ee5ng trong qu\u00e1 tr\u00ecnh ch\u1ed1ng m\u1ed1c v\u00e0 b\u1ea3o qu\u1ea3n da.<\/li><\/ul><\/li><\/ul><p><b>So s\u00e1nh v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t kh\u00e1c c\u1ee7a s\u1eaft (III)<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">So v\u1edbi FeCl\u2083, Fe\u2082(SO\u2084)\u2083 \u00edt \u0103n m\u00f2n h\u01a1n.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">So v\u1edbi Fe(OH)\u2083, Fe\u2082(SO\u2084)\u2083 d\u1ec5 h\u00f2a tan trong n\u01b0\u1edbc h\u01a1n, th\u00edch h\u1ee3p cho x\u1eed l\u00fd n\u01b0\u1edbc.&nbsp;<\/span><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FeCl%E2%82%83_%E2%80%93_Sat_III_Clorua\"><\/span><b>FeCl\u2083 &#8211; S\u1eaft (III) Clorua<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc &amp; v\u1eadt l\u00fd<\/b><\/p><ul class=\"wp-block-list\"><li>Tinh th\u1ec3 m\u00e0u n\u00e2u \u0111\u1ecf<span style=\"font-weight: 400;\"> or <\/span>dung d\u1ecbch m\u00e0u v\u00e0ng n\u00e2u<span style=\"font-weight: 400;\">.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">D\u1ec5 h\u00fat \u1ea9m, <\/span>c\u00f3 t\u00ednh \u0103n m\u00f2n m\u1ea1nh<span style=\"font-weight: 400;\"> \u0111\u1ed1i v\u1edbi kim lo\u1ea1i.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Tan t\u1ed1t trong n\u01b0\u1edbc, t\u1ea1o dung d\u1ecbch c\u00f3 t\u00ednh <\/span>axit m\u1ea1nh<span style=\"font-weight: 400;\">.<\/span><\/li><\/ul><p><b>Application<\/b><b>Wastewater treatment<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Gi\u1ea3m <\/span>phosphate, kim lo\u1ea1i n\u1eb7ng v\u00e0 c\u1eb7n b\u1ea9n.<\/li>\n\n<li><span style=\"font-weight: 400;\">T\u1ea1o k\u1ebft t\u1ee7a gi\u00fap l\u1ecdc s\u1ea1ch n\u01b0\u1edbc.<\/span><\/li><\/ul><p><b>C\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul class=\"wp-block-list\"><li>\u0102n m\u00f2n b\u1ea3ng m\u1ea1ch in PCB<span style=\"font-weight: 400;\"> trong s\u1ea3n xu\u1ea5t vi m\u1ea1ch.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng trong <\/span>kh\u1eafc \u0111\u1ed3ng tr\u00ean m\u1ea1ch \u0111i\u1ec7n t\u1eed<span style=\"font-weight: 400;\">.<\/span><\/li><\/ul><p><b>Ng\u00e0nh h\u00f3a ch\u1ea5t v\u00e0 d\u01b0\u1ee3c ph\u1ea9m<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">L\u00e0m <\/span>ch\u1ea5t x\u00fac t\u00e1c trong t\u1ed5ng h\u1ee3p h\u1eefu c\u01a1.<\/li>\n\n<li>S\u1eed d\u1ee5ng trong \u0111i\u1ec1u ch\u1ebf thu\u1ed1c nhu\u1ed9m v\u00e0 thu\u1ed1c th\u1eed h\u00f3a h\u1ecdc.<\/li><\/ul><p><strong>L\u01b0u \u00fd khi s\u1eed d\u1ee5ng<\/strong><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">FeCl\u2083 c\u00f3 t\u00ednh <\/span>\u0103n m\u00f2n m\u1ea1nh, c\u1ea7n b\u1ea3o qu\u1ea3n trong th\u00f9ng ch\u1ee9a ch\u1ed1ng \u0103n m\u00f2n.<\/li>\n\n<li>Khi pha lo\u00e3ng ph\u1ea3i th\u00eam FeCl\u2083 v\u00e0o n\u01b0\u1edbc<span style=\"font-weight: 400;\">, kh\u00f4ng l\u00e0m ng\u01b0\u1ee3c l\u1ea1i \u0111\u1ec3 tr\u00e1nh ph\u1ea3n \u1ee9ng m\u1ea1nh.<\/span><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FeNO%E2%82%83%E2%82%83_%E2%80%93_Sat_III_Nitrat\"><\/span><b>Fe(NO\u2083)\u2083 &#8211; S\u1eaft (III) Nitrat<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc &amp; v\u1eadt l\u00fd<\/b><\/p><ul class=\"wp-block-list\"><li>D\u1ea1ng tinh th\u1ec3 m\u00e0u v\u00e0ng cam<span style=\"font-weight: 400;\">, tan t\u1ed1t trong n\u01b0\u1edbc.<\/span><\/li>\n\n<li>T\u00ednh oxy h\u00f3a m\u1ea1nh<span style=\"font-weight: 400;\">, d\u1ec5 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Khi b\u1ecb \u0111\u1ed1t n\u00f3ng c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y t\u1ea1o ra <\/span>kh\u00ed \u0111\u1ed9c NO\u2082<span style=\"font-weight: 400;\">.<\/span><\/li><\/ul><p><b>Application<\/b><b>Ph\u00e2n t\u00edch h\u00f3a h\u1ecdc<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c d\u00f9ng l\u00e0m <\/span>thu\u1ed1c th\u1eed \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ion s\u1eaft, clorua<span style=\"font-weight: 400;\"> v\u00e0 c\u00e1c kim lo\u1ea1i kh\u00e1c.<\/span><\/li><\/ul><p><b>C\u00f4ng nghi\u1ec7p thu\u1ed1c nhu\u1ed9m<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">D\u00f9ng trong <\/span>ch\u1ebf t\u1ea1o m\u00e0u c\u00f4ng nghi\u1ec7p, thu\u1ed1c nhu\u1ed9m v\u1ea3i.<\/li>\n\n<li><span style=\"font-weight: 400;\">T\u1ea1o m\u00e0u n\u00e2u \u0111\u1ecf trong s\u01a1n, nh\u1ef1a v\u00e0 polymer.<\/span><\/li><\/ul><p><b>Ch\u1ea5t oxy h\u00f3a trong t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">\u0110\u00f3ng vai tr\u00f2 <\/span>ch\u1ea5t oxy h\u00f3a m\u1ea1nh trong nhi\u1ec1u ph\u1ea3n \u1ee9ng h\u1eefu c\u01a1.<\/li>\n\n<li>\u1ee8ng d\u1ee5ng trong t\u1ed5ng h\u1ee3p d\u01b0\u1ee3c ph\u1ea9m<span style=\"font-weight: 400;\"> v\u00e0 c\u00e1c ch\u1ea5t x\u00fac t\u00e1c.<\/span><\/li><\/ul><p><b>L\u01b0u \u00fd<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Fe(NO\u2083)\u2083 <\/span>d\u1ec5 ph\u00e2n h\u1ee7y, c\u1ea7n b\u1ea3o qu\u1ea3n n\u01a1i kh\u00f4 r\u00e1o, tr\u00e1nh \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi.<\/li>\n\n<li>Kh\u00f4ng n\u00ean \u0111\u1ec3 g\u1ea7n c\u00e1c ch\u1ea5t kh\u1eed m\u1ea1nh ho\u1eb7c h\u1ee3p ch\u1ea5t d\u1ec5 ch\u00e1y.<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fe%E2%82%82O%E2%82%83_%E2%80%93_Sat_III_Oxit\"><\/span><b>Fe\u2082O\u2083 &#8211; S\u1eaft (III) Oxit<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc &amp; v\u1eadt l\u00fd<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">D\u1ea1ng <\/span>b\u1ed9t m\u00e0u \u0111\u1ecf n\u00e2u, kh\u00f4ng tan trong n\u01b0\u1edbc.<\/li>\n\n<li>B\u1ec1n nhi\u1ec7t, kh\u00f4ng b\u1ecb ph\u00e2n h\u1ee7y \u1edf nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng.<\/li>\n\n<li>C\u00f3 t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh<span style=\"font-weight: 400;\">, \u1ee9ng d\u1ee5ng trong ng\u00e0nh c\u00f4ng ngh\u1ec7 cao.<\/span><\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"293\" height=\"220\" data-sizes=\"(max-width: 293px) 100vw, 293px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/03\/fe2o3.webp\" alt=\"\" class=\"wp-image-5841 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 293px; --smush-placeholder-aspect-ratio: 293\/220;\" \/><\/figure><\/div><p><b>Application<\/b><b>Ng\u00e0nh s\u01a1n &amp; v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Th\u00e0nh ph\u1ea7n ch\u00ednh trong <\/span>s\u01a1n ch\u1ed1ng r\u1ec9 gi\u00fap b\u1ea3o v\u1ec7 kim lo\u1ea1i kh\u1ecfi oxy h\u00f3a.<\/li>\n\n<li>D\u00f9ng l\u00e0m ch\u1ea5t t\u1ea1o m\u00e0u \u0111\u1ecf<span style=\"font-weight: 400;\"> trong xi m\u0103ng, g\u1ed1m s\u1ee9.<\/span><\/li><\/ul><p><b>S\u1ea3n xu\u1ea5t xi m\u0103ng &amp; g\u1ed1m s\u1ee9<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Gi\u00fap t\u1ea1o m\u00e0u s\u1eafc v\u00e0 t\u0103ng <\/span>\u0111\u1ed9 b\u1ec1n cho s\u1ea3n ph\u1ea9m g\u1ed1m.<\/li>\n\n<li>\u1ee8ng d\u1ee5ng r\u1ed9ng r\u00e3i trong g\u1ea1ch men, s\u1ee9 v\u1ec7 sinh.<\/li><\/ul><p><b>C\u00f4ng ngh\u1ec7 \u0111i\u1ec7n t\u1eed<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">D\u00f9ng l\u00e0m <\/span>ch\u1ea5t t\u1eeb t\u00ednh trong b\u0103ng t\u1eeb, \u1ed5 c\u1ee9ng v\u00e0 c\u1ea3m bi\u1ebfn t\u1eeb.<\/li>\n\n<li>Th\u00e0nh ph\u1ea7n trong c\u00e1c h\u1ee3p kim t\u1eeb t\u00ednh \u0111\u1eb7c bi\u1ec7t<span style=\"font-weight: 400;\">.&nbsp;<\/span><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FeOH%E2%82%83_%E2%80%93_Sat_III_Hydroxit\"><\/span><b>Fe(OH)\u2083 &#8211; S\u1eaft (III) Hydroxit<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc &amp; v\u1eadt l\u00fd<\/b><\/p><ul class=\"wp-block-list\"><li>D\u1ea1ng b\u1ed9t m\u00e0u n\u00e2u \u0111\u1ecf, \u00edt tan trong n\u01b0\u1edbc.<\/li>\n\n<li>D\u1ec5 b\u1ecb k\u1ebft t\u1ee7a<span style=\"font-weight: 400;\">, c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh d\u1ea1ng keo gi\u00fap lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t trong n\u01b0\u1edbc.<\/span><\/li><\/ul><p><b>Application <\/b><\/p><p><b>Wastewater treatment<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul class=\"wp-block-list\"><li>Ch\u1ea5t keo t\u1ee5<span style=\"font-weight: 400;\"> gi\u00fap lo\u1ea1i b\u1ecf <\/span>kim lo\u1ea1i n\u1eb7ng<span style=\"font-weight: 400;\">.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng trong <\/span>l\u1ecdc n\u01b0\u1edbc sinh ho\u1ea1t, n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p<span style=\"font-weight: 400;\">.<\/span><\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"1024\" height=\"683\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/12\/acid-xu-ly-nuoc-thai.jpg\" alt=\"\" class=\"wp-image-1940 lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/683;width:369px;height:auto\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/12\/acid-xu-ly-nuoc-thai.jpg 1024w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/12\/acid-xu-ly-nuoc-thai-500x333.jpg 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/figure><\/div><p><b>Ng\u00e0nh d\u01b0\u1ee3c ph\u1ea9m<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">D\u00f9ng l\u00e0m <\/span>ch\u1ea5t b\u1ed5 sung s\u1eaft trong y h\u1ecdc.<\/li>\n\n<li>Th\u00e0nh ph\u1ea7n c\u1ee7a m\u1ed9t s\u1ed1 thu\u1ed1c b\u1ed5 sung s\u1eaft<span style=\"font-weight: 400;\"> cho ng\u01b0\u1eddi b\u1ecb thi\u1ebfu m\u00e1u.<\/span><\/li><\/ul><p><b>L\u01b0u \u00fd<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Fe(OH)\u2083 d\u1ec5 b\u1ecb kh\u1eed th\u00e0nh <\/span>Fe(OH)\u2082, c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 trong x\u1eed l\u00fd n\u01b0\u1edbc.<\/li>\n\n<li>C\u1ea7n ki\u1ec3m so\u00e1t pH khi s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u0111a.<\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"So_sanh_Sat_II_va_Sat_III\"><\/span><b>So s\u00e1nh S\u1eaft (II) v\u00e0 S\u1eaft (III)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>Characteristics<\/b><\/td><td><b>S\u1eaft (II) (Fe\u00b2\u207a)<\/b><\/td><td><b>S\u1eaft (III) (Fe\u00b3\u207a)<\/b><\/td><\/tr><tr><td><strong>\u0110\u1ed9 h\u00f2a tan<\/strong><\/td><td><span style=\"font-weight: 400;\">Cao h\u01a1n<\/span><\/td><td><span style=\"font-weight: 400;\">Th\u1ea5p h\u01a1n<\/span><\/td><\/tr><tr><td><strong>T\u00ednh \u1ed5n \u0111\u1ecbnh<\/strong><\/td><td><span style=\"font-weight: 400;\">K\u00e9m \u1ed5n \u0111\u1ecbnh, d\u1ec5 b\u1ecb oxy h\u00f3a<\/span><\/td><td><span style=\"font-weight: 400;\">\u1ed4n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng oxy h\u00f3a<\/span><\/td><\/tr><tr><td><strong>Application<\/strong><\/td><td><span style=\"font-weight: 400;\">X\u1eed l\u00fd n\u01b0\u1edbc, ph\u00e2n b\u00f3n, d\u01b0\u1ee3c ph\u1ea9m<\/span><\/td><td><span style=\"font-weight: 400;\">X\u1eed l\u00fd n\u01b0\u1edbc, s\u01a1n, h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p<\/span><\/td><\/tr><tr><td><strong>T\u00ednh ph\u1ea3n \u1ee9ng<\/strong><\/td><td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng t\u1ea1o ph\u1ee9c t\u1ed1t<\/span><\/td><td><span style=\"font-weight: 400;\">M\u1ea1nh trong m\u00f4i tr\u01b0\u1eddng axit<\/span><\/td><\/tr><\/tbody><\/table><\/figure><p><span style=\"font-weight: 400;\">&nbsp;<\/span><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"So_Sanh_Cac_Hop_Chat_Chua_Sat_III\"><\/span><b>So S\u00e1nh C\u00e1c H\u1ee3p Ch\u1ea5t Ch\u1ee9a S\u1eaft (III)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><b>H\u1ee3p ch\u1ea5t<\/b><\/td><td><b>Chemical formula<\/b><\/td><td><b>Tr\u1ea1ng th\u00e1i<\/b><\/td><td><b>T\u00ednh ch\u1ea5t \u0111\u1eb7c tr\u01b0ng<\/b><\/td><td><b>Popular application<\/b><\/td><\/tr><tr><td><b>S\u1eaft (III) Sunfat<\/b><\/td><td><span style=\"font-weight: 400;\">Fe\u2082(SO\u2084)\u2083<\/span><\/td><td><span style=\"font-weight: 400;\">D\u1ea1ng b\u1ed9t m\u00e0u v\u00e0ng n\u00e2u<\/span><\/td><td><span style=\"font-weight: 400;\">Tan t\u1ed1t trong n\u01b0\u1edbc, c\u00f3 t\u00ednh axit<\/span><\/td><td><span style=\"font-weight: 400;\">&#8211; X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, lo\u1ea1i b\u1ecf kim lo\u1ea1i n\u1eb7ng<\/span>\n\n<span style=\"font-weight: 400;\">&#8211; \u1ed4n \u0111\u1ecbnh m\u00e0u v\u1ea3i trong ng\u00e0nh d\u1ec7t nhu\u1ed9m<\/span>\n\n<span style=\"font-weight: 400;\">&#8211; T\u0103ng kh\u1ea3 n\u0103ng b\u00e1m m\u00e0u c\u1ee7a da thu\u1ed9c<\/span><\/td><\/tr><tr><td><b>S\u1eaft (III) Clorua<\/b><\/td><td><span style=\"font-weight: 400;\">FeCl\u2083<\/span><\/td><td><span style=\"font-weight: 400;\">D\u1ea1ng tinh th\u1ec3 m\u00e0u n\u00e2u \u0111\u1ecf ho\u1eb7c dung d\u1ecbch<\/span><\/td><td><span style=\"font-weight: 400;\">H\u00fat \u1ea9m m\u1ea1nh, d\u1ec5 tan trong n\u01b0\u1edbc, c\u00f3 t\u00ednh \u0103n m\u00f2n cao<\/span><\/td><td><span style=\"font-weight: 400;\">&#8211; X\u1eed l\u00fd n\u01b0\u1edbc, lo\u1ea1i b\u1ecf photphat<\/span>\n\n<span style=\"font-weight: 400;\">&#8211; S\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch \u0111i\u1ec7n t\u1eed (t\u1ea9y \u0111\u1ed3ng PCB)<\/span>\n\n<span style=\"font-weight: 400;\">&#8211; Ch\u1ea5t x\u00fac t\u00e1c trong s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t, d\u01b0\u1ee3c ph\u1ea9m<\/span><\/td><\/tr><tr><td><b>S\u1eaft (III) Nitrat<\/b><\/td><td><span style=\"font-weight: 400;\">Fe(NO\u2083)\u2083<\/span><\/td><td><span style=\"font-weight: 400;\">D\u1ea1ng tinh th\u1ec3 m\u00e0u v\u00e0ng cam<\/span><\/td><td><span style=\"font-weight: 400;\">D\u1ec5 h\u00f2a tan, c\u00f3 t\u00ednh oxy h\u00f3a m\u1ea1nh<\/span><\/td><td><span style=\"font-weight: 400;\">&#8211; Thu\u1ed1c th\u1eed trong ph\u00e2n t\u00edch h\u00f3a h\u1ecdc<\/span>\n\n<span style=\"font-weight: 400;\">&#8211; Th\u00e0nh ph\u1ea7n trong s\u1ea3n xu\u1ea5t thu\u1ed1c nhu\u1ed9m, ch\u1ea5t t\u1ea1o m\u00e0u<\/span>\n\n<span style=\"font-weight: 400;\">&#8211; L\u00e0m ch\u1ea5t oxy h\u00f3a trong t\u1ed5ng h\u1ee3p h\u00f3a ch\u1ea5t<\/span><\/td><\/tr><tr><td><b>S\u1eaft (III) Oxit<\/b><\/td><td><span style=\"font-weight: 400;\">Fe\u2082O\u2083<\/span><\/td><td><span style=\"font-weight: 400;\">D\u1ea1ng b\u1ed9t m\u00e0u \u0111\u1ecf n\u00e2u<\/span><\/td><td><span style=\"font-weight: 400;\">Kh\u00f4ng tan trong n\u01b0\u1edbc, b\u1ec1n nhi\u1ec7t cao<\/span><\/td><td><span style=\"font-weight: 400;\">&#8211; Th\u00e0nh ph\u1ea7n trong s\u01a1n ch\u1ed1ng r\u1ec9, g\u1ea1ch men, g\u1ed1m s\u1ee9<\/span>\n\n<span style=\"font-weight: 400;\">&#8211; Nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t xi m\u0103ng<\/span>\n\n<span style=\"font-weight: 400;\">&#8211; \u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed (v\u1eadt li\u1ec7u t\u1eeb t\u00ednh)<\/span><\/td><\/tr><tr><td><b>S\u1eaft (III) Hydroxit<\/b><\/td><td><span style=\"font-weight: 400;\">Fe(OH)\u2083<\/span><\/td><td><span style=\"font-weight: 400;\">D\u1ea1ng b\u1ed9t m\u00e0u n\u00e2u \u0111\u1ecf<\/span><\/td><td><span style=\"font-weight: 400;\">\u00cdt tan trong n\u01b0\u1edbc, d\u1ec5 k\u1ebft t\u1ee7a<\/span><\/td><td><span style=\"font-weight: 400;\">&#8211; X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, h\u1ea5p th\u1ee5 kim lo\u1ea1i n\u1eb7ng<\/span>\n\n<span style=\"font-weight: 400;\">&#8211; Th\u00e0nh ph\u1ea7n trong s\u1ea3n xu\u1ea5t d\u01b0\u1ee3c ph\u1ea9m<\/span>\n\n<span style=\"font-weight: 400;\">&#8211; D\u00f9ng trong b\u1ed5 sung vi ch\u1ea5t s\u1eaft<\/span><\/td><\/tr><\/tbody><\/table><\/figure><p><span style=\"font-weight: 400;\">&nbsp;<\/span><b>Nh\u1eadn x\u00e9t v\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p ch\u1ea5t S\u1eaft (III) ph\u00f9 h\u1ee3p<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">N\u1ebfu doanh nghi\u1ec7p c\u1ea7n h\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc, Fe\u2082(SO\u2084)\u2083 v\u00e0 FeCl\u2083 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">N\u1ebfu c\u1ea7n t\u1ea9y \u0111\u1ed3ng PCB trong ng\u00e0nh \u0111i\u1ec7n t\u1eed, FeCl\u2083 l\u00e0 h\u00f3a ch\u1ea5t ph\u00f9 h\u1ee3p nh\u1ea5t.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">N\u1ebfu s\u1ea3n xu\u1ea5t s\u01a1n ch\u1ed1ng r\u1ec9, xi m\u0103ng, g\u1ed1m s\u1ee9, n\u00ean s\u1eed d\u1ee5ng Fe\u2082O\u2083.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">N\u1ebfu c\u1ea7n ch\u1ea5t oxy h\u00f3a m\u1ea1nh, Fe(NO\u2083)\u2083 l\u00e0 h\u1ee3p ch\u1ea5t ph\u00f9 h\u1ee3p.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">N\u1ebfu c\u1ea7n h\u00f3a ch\u1ea5t d\u00f9ng trong y h\u1ecdc, x\u1eed l\u00fd n\u01b0\u1edbc, Fe(OH)\u2083 l\u00e0 l\u1ef1a ch\u1ecdn hi\u1ec7u qu\u1ea3.<\/span><\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ung_Dung_Cua_Sat_3_Trong_Cong_Nghiep\"><\/span><b>\u1ee8ng D\u1ee5ng C\u1ee7a S\u1eaft 3 Trong C\u00f4ng Nghi\u1ec7p<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"_Xu_Ly_Nuoc_Thai_Cong_Nghiep\"><\/span><b>&nbsp;Industrial Wastewater Treatment<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">FeCl\u2083 v\u00e0 Fe\u2082(SO\u2084)\u2083 ho\u1ea1t \u0111\u1ed9ng theo c\u01a1 ch\u1ebf keo t\u1ee5 &#8211; t\u1ea1o b\u00f4ng, gi\u00fap k\u1ebft t\u1ee7a v\u00e0 h\u1ea5p ph\u1ee5 c\u00e1c h\u1ea1t l\u01a1 l\u1eedng.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Fe\u00b3\u207a c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o li\u00ean k\u1ebft v\u1edbi photphat v\u00e0 kim lo\u1ea1i n\u1eb7ng, gi\u00fap lo\u1ea1i b\u1ecf ch\u00ec (Pb\u00b2\u207a), asen (As\u00b3\u207a), cadmium (Cd\u00b2\u207a) trong n\u01b0\u1edbc th\u1ea3i.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Khi h\u00f2a tan v\u00e0o n\u01b0\u1edbc, Fe\u00b3\u207a ph\u1ea3n \u1ee9ng v\u1edbi ion OH\u207b t\u1ea1o Fe(OH)\u2083, l\u00e0 ch\u1ea5t keo t\u1ee5 hi\u1ec7u qu\u1ea3.<\/span><\/li><\/ul><p><b>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\"><strong>Nh\u00e0 m\u00e1y gi\u1ea5y, d\u1ec7t nhu\u1ed9m, th\u1ef1c ph\u1ea9m:<\/strong> Lo\u1ea1i b\u1ecf ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 m\u00e0u trong n\u01b0\u1edbc th\u1ea3i.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\"><strong>Ng\u00e0nh xi m\u1ea1, luy\u1ec7n kim: <\/strong>X\u1eed l\u00fd kim lo\u1ea1i n\u1eb7ng.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\"><strong>Tr\u1ea1m x\u1eed l\u00fd n\u01b0\u1edbc \u0111\u00f4 th\u1ecb: <\/strong>Ki\u1ec3m so\u00e1t photphat ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng ph\u00fa d\u01b0\u1ee1ng trong h\u1ec7 sinh th\u00e1i n\u01b0\u1edbc.<\/span><\/li><\/ul><p><b>Hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Lo\u1ea1i b\u1ecf 80-95% kim lo\u1ea1i n\u1eb7ng trong n\u01b0\u1edbc.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Gi\u1ea3m COD\/BOD \u0111\u1ebfn 75%, c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u1ea7u ra.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Ph\u1ea3n \u1ee9ng nhanh, kh\u00f4ng g\u00e2y \u0111\u1ed9c h\u1ea1i th\u1ee9 c\u1ea5p.<\/span><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nganh_Son_Gom_Su\"><\/span><b>Ng\u00e0nh S\u01a1n &amp; G\u1ed1m S\u1ee9<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>S\u1eaft 3 Oxit (Fe\u2082O\u2083) \u2013 \u1ee8ng d\u1ee5ng trong v\u1eadt li\u1ec7u m\u00e0u<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Fe\u2082O\u2083 l\u00e0 h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 b\u1ec1n m\u00e0u, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao.<\/span><\/li><\/ul><p><b>\u1ee8ng d\u1ee5ng ch\u00ednh:<\/b><\/p><ul class=\"wp-block-list\"><li><b>S\u01a1n ch\u1ed1ng r\u1ec9:<\/b><span style=\"font-weight: 400;\"> T\u1ea1o m\u00e0u \u0111\u1ecf v\u00e0 ch\u1ed1ng oxy h\u00f3a cho b\u1ec1 m\u1eb7t kim lo\u1ea1i.<\/span><\/li>\n\n<li><b>Ng\u00e0nh g\u1ed1m s\u1ee9: <\/b><span style=\"font-weight: 400;\">Th\u00e0nh ph\u1ea7n ch\u00ednh trong men g\u1ed1m, g\u1ea1ch men, s\u1ee9 ch\u1ecbu nhi\u1ec7t.<\/span><\/li>\n\n<li><b>Ng\u00e0nh x\u00e2y d\u1ef1ng:<\/b><span style=\"font-weight: 400;\"> D\u00f9ng \u0111\u1ec3 t\u1ea1o m\u00e0u cho b\u00ea t\u00f4ng v\u00e0 xi m\u0103ng.<\/span><\/li><\/ul><p><b>FeCl\u2083 \u2013 Ch\u1ea5t x\u00fac t\u00e1c trong ng\u00e0nh s\u01a1n d\u1ea7u<\/b><\/p><ul class=\"wp-block-list\"><li><b>C\u01a1 ch\u1ebf<\/b><span style=\"font-weight: 400;\">: FeCl\u2083 tham gia v\u00e0o qu\u00e1 tr\u00ecnh oxy h\u00f3a polymer, gi\u00fap \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh kh\u00f4 v\u00e0 b\u00e1m d\u00ednh c\u1ee7a s\u01a1n.<\/span><\/li>\n\n<li><b>Application <\/b><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t x\u00fac t\u00e1c cho nh\u1ef1a epoxy, nh\u1ef1a alkyd, gi\u00fap s\u01a1n b\u1ec1n m\u00e0u, ch\u1ed1ng bong tr\u00f3c.<\/span><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cong_Nghiep_Dien_Tu\"><\/span><b>C\u00f4ng Nghi\u1ec7p \u0110i\u1ec7n T\u1eed<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>FeCl\u2083 \u2013 H\u00f3a ch\u1ea5t \u0103n m\u00f2n b\u1ea3ng m\u1ea1ch in PCB<\/b><\/p><ul class=\"wp-block-list\"><li><b>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/b><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">FeCl\u2083 h\u00f2a tan \u0111\u1ed3ng (Cu) theo ph\u01b0\u01a1ng tr\u00ecnh:<\/span><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Cu+2FeCl3\u2192CuCl2+2FeCl2<\/span><\/li><\/ul><\/li>\n\n<li><span style=\"font-weight: 400;\">Ph\u1ea3n \u1ee9ng n\u00e0y lo\u1ea1i b\u1ecf \u0111\u1ed3ng kh\u00f4ng mong mu\u1ed1n, t\u1ea1o m\u1ea1ch \u0111i\u1ec7n ch\u00ednh x\u00e1c.<\/span><\/li><\/ul><\/li>\n\n<li><b>\u01afu \u0111i\u1ec3m:<\/b><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n nhanh, ch\u00ednh x\u00e1c cao.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1edbp n\u1ec1n m\u1ea1ch in (FR4, PET, PI).<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">An to\u00e0n h\u01a1n so v\u1edbi c\u00e1c h\u00f3a ch\u1ea5t \u0103n m\u00f2n kh\u00e1c nh\u01b0 HNO\u2083 ho\u1eb7c HCl.<\/span><\/li><\/ul><\/li>\n\n<li><b>Application<\/b><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">S\u1ea3n xu\u1ea5t b\u1ea3ng m\u1ea1ch in (PCB) trong c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">D\u00f9ng trong kh\u1eafc kim lo\u1ea1i, ch\u1ebf t\u00e1c trang s\u1ee9c, kh\u1eafc laser.<\/span><\/li><\/ul><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"San_Xuat_Phan_Bon\"><\/span><b>S\u1ea3n Xu\u1ea5t Ph\u00e2n B\u00f3n<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>S\u1eaft 3 Nitrat (Fe(NO\u2083)\u2083) \u2013 Cung c\u1ea5p vi l\u01b0\u1ee3ng cho c\u00e2y tr\u1ed3ng<\/b><\/p><ul class=\"wp-block-list\"><li><b>Vai tr\u00f2 c\u1ee7a s\u1eaft trong c\u00e2y tr\u1ed3ng:<\/b><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Fe\u00b3\u207a l\u00e0 nguy\u00ean t\u1ed1 thi\u1ebft y\u1ebfu cho qu\u00e1 tr\u00ecnh quang h\u1ee3p, gi\u00fap t\u1ed5ng h\u1ee3p di\u1ec7p l\u1ee5c.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Thi\u1ebfu s\u1eaft g\u00e2y v\u00e0ng l\u00e1, gi\u1ea3m n\u0103ng su\u1ea5t \u1edf c\u00e2y tr\u1ed3ng.<\/span><\/li><\/ul><\/li>\n\n<li><b>\u01afu \u0111i\u1ec3m c\u1ee7a Fe(NO\u2083)\u2083:<\/b><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">D\u1ec5 h\u00f2a tan trong n\u01b0\u1edbc, c\u00e2y h\u1ea5p th\u1ee5 nhanh.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng trao \u0111\u1ed5i ch\u1ea5t, k\u00edch th\u00edch sinh tr\u01b0\u1edfng.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng thi\u1ebfu vi l\u01b0\u1ee3ng Fe trong \u0111\u1ea5t.<\/span><\/li><\/ul><\/li>\n\n<li><b>\u1ee8ng d\u1ee5ng trong n\u00f4ng nghi\u1ec7p:<\/b><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Ph\u00e2n b\u00f3n vi l\u01b0\u1ee3ng cho l\u00faa, c\u00e0 ph\u00ea, c\u00e2y \u0103n qu\u1ea3.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">D\u00f9ng trong th\u1ee7y canh, n\u00f4ng nghi\u1ec7p c\u00f4ng ngh\u1ec7 cao.<\/span><\/li><\/ul><\/li><\/ul><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Huong_Dan_Bao_Quan_Va_An_Toan_Khi_Su_Dung_Hoa_Chat_Sat_3\"><\/span><b>H\u01b0\u1edbng D\u1eabn B\u1ea3o Qu\u1ea3n V\u00e0 An To\u00e0n Khi S\u1eed D\u1ee5ng H\u00f3a Ch\u1ea5t S\u1eaft 3<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bao_Quan_Hoa_Chat_Sat_3_Dung_Cach\"><\/span><b>B\u1ea3o Qu\u1ea3n H\u00f3a Ch\u1ea5t S\u1eaft 3 \u0110\u00fang C\u00e1ch<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>M\u00f4i tr\u01b0\u1eddng b\u1ea3o qu\u1ea3n:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">L\u01b0u tr\u1eef n\u01a1i kh\u00f4 r\u00e1o, tho\u00e1ng m\u00e1t, tr\u00e1nh \u0111\u1ed9 \u1ea9m cao \u0111\u1ec3 ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng h\u00fat \u1ea9m g\u00e2y v\u00f3n c\u1ee5c, \u0111\u1eb7c bi\u1ec7t v\u1edbi FeCl\u2083 v\u00e0 Fe(NO\u2083)\u2083.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Tr\u00e1nh \u00e1nh n\u1eafng tr\u1ef1c ti\u1ebfp v\u00e0 ngu\u1ed3n nhi\u1ec7t l\u1edbn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Kh\u00f4ng l\u01b0u tr\u1eef g\u1ea7n ch\u1ea5t d\u1ec5 ch\u00e1y nh\u01b0 d\u1ea7u m\u1ee1, h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 v\u00ec Fe\u00b3\u207a c\u00f3 t\u00ednh oxy h\u00f3a m\u1ea1nh.<\/span><\/li><\/ul><p><b>Bao b\u00ec v\u00e0 d\u1ee5ng c\u1ee5 ch\u1ee9a:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng bao b\u00ec g\u1ed1c ho\u1eb7c th\u00f9ng ch\u1ee9a nh\u1ef1a HDPE ch\u1ecbu h\u00f3a ch\u1ea5t.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">\u0110\u1eady k\u00edn n\u1eafp ngay sau khi s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u00e1nh h\u01a1i \u1ea9m x\u00e2m nh\u1eadp, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi FeCl\u2083 v\u00ec d\u1ec5 h\u00fat \u1ea9m, chuy\u1ec3n sang d\u1ea1ng dung d\u1ecbch \u0103n m\u00f2n.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Kh\u00f4ng d\u00f9ng th\u00f9ng kim lo\u1ea1i d\u1ec5 b\u1ecb \u0103n m\u00f2n nh\u01b0 nh\u00f4m, k\u1ebdm do ph\u1ea3n \u1ee9ng v\u1edbi Fe\u00b3\u207a c\u00f3 th\u1ec3 t\u1ea1o kh\u00ed H\u2082 g\u00e2y nguy hi\u1ec3m.<\/span><\/li><\/ul><p><b>Kho b\u00e3i l\u01b0u tr\u1eef:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">\u0110\u1eb7t tr\u00ean pallet c\u00e1ch m\u1eb7t \u0111\u1ea5t \u00edt nh\u1ea5t 15 cm \u0111\u1ec3 tr\u00e1nh h\u00fat \u1ea9m t\u1eeb s\u00e0n.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Tr\u00e1nh l\u01b0u tr\u1eef chung v\u1edbi ch\u1ea5t ki\u1ec1m m\u1ea1nh nh\u01b0 NaOH, KOH v\u00ec c\u00f3 th\u1ec3 g\u00e2y ph\u1ea3n \u1ee9ng m\u1ea1nh.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Khu v\u1ef1c ch\u1ee9a FeCl\u2083 c\u1ea7n c\u00f3 l\u1edbp l\u00f3t s\u00e0n ch\u1ed1ng \u0103n m\u00f2n.<\/span><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Huong_Dan_An_Toan_Khi_Su_Dung_Hoa_Chat_Sat_III\"><\/span><b>H\u01b0\u1edbng D\u1eabn An To\u00e0n Khi S\u1eed D\u1ee5ng H\u00f3a Ch\u1ea5t S\u1eaft (III)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><span style=\"font-weight: 400;\">S\u1eaft 3 c\u00f3 t\u00ednh \u0103n m\u00f2n m\u1ea1nh, c\u1ea7n tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t quy t\u1eafc an to\u00e0n lao \u0111\u1ed9ng \u0111\u1ec3 tr\u00e1nh r\u1ee7i ro s\u1ee9c kh\u1ecfe.<\/span><\/p><p><b>Trang b\u1ecb b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng ti\u00eau chu\u1ea9n:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">M\u1eaft v\u00e0 m\u1eb7t: K\u00ednh b\u1ea3o h\u1ed9 ch\u1ed1ng h\u00f3a ch\u1ea5t (EN 166:2001) \u0111\u1ec3 tr\u00e1nh b\u1eafn v\u00e0o m\u1eaft.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Tay v\u00e0 da: G\u0103ng tay cao su butyl ho\u1eb7c nitrile (EN 374-3) ch\u1ecbu h\u00f3a ch\u1ea5t.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">H\u1ec7 h\u00f4 h\u1ea5p: Kh\u1ea9u trang l\u1ecdc h\u01a1i h\u00f3a ch\u1ea5t (N95\/P100) n\u1ebfu l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng c\u00f3 b\u1ee5i h\u00f3a ch\u1ea5t.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Qu\u1ea7n \u00e1o b\u1ea3o h\u1ed9: Ch\u1ed1ng th\u1ea5m h\u00f3a ch\u1ea5t, d\u1ec5 l\u00e0m s\u1ea1ch sau khi s\u1eed d\u1ee5ng.<\/span><\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"600\" height=\"329\" data-sizes=\"(max-width: 600px) 100vw, 600px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/10\/luu-y-khi-su-dung-hoa-chat.jpg\" alt=\"\" class=\"wp-image-3685 lazyload\" style=\"--smush-placeholder-width: 600px; --smush-placeholder-aspect-ratio: 600\/329;width:400px;height:auto\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/10\/luu-y-khi-su-dung-hoa-chat.jpg 600w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2023\/10\/luu-y-khi-su-dung-hoa-chat-500x274.jpg 500w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Xu_Ly_Su_Co_Khi_Tiep_Xuc_Voi_Hoa_Chat\"><\/span><b>X\u1eed L\u00fd S\u1ef1 C\u1ed1 Khi Ti\u1ebfp X\u00fac V\u1edbi H\u00f3a Ch\u1ea5t<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>N\u1ebfu d\u00ednh v\u00e0o da:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">R\u1eeda ngay b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch \u00edt nh\u1ea5t 15 ph\u00fat, kh\u00f4ng ch\u00e0 x\u00e1t m\u1ea1nh.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">N\u1ebfu xu\u1ea5t hi\u1ec7n k\u00edch \u1ee9ng, b\u1ecfng r\u00e1t, \u0111\u1ebfn c\u01a1 s\u1edf y t\u1ebf ngay l\u1eadp t\u1ee9c.<\/span><\/li><\/ul><p><b>N\u1ebfu h\u00edt ph\u1ea3i h\u01a1i h\u00f3a ch\u1ea5t:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Di chuy\u1ec3n ngay ra n\u01a1i tho\u00e1ng kh\u00ed.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">N\u1ebfu kh\u00f3 th\u1edf, \u0111\u01b0a n\u1ea1n nh\u00e2n \u0111\u1ebfn c\u01a1 s\u1edf y t\u1ebf v\u00e0 th\u00f4ng b\u00e1o v\u1ec1 h\u00f3a ch\u1ea5t ti\u1ebfp x\u00fac.<\/span><\/li><\/ul><p><b>N\u1ebfu d\u00ednh v\u00e0o m\u1eaft:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">L\u1eadp t\u1ee9c r\u1eeda m\u1eaft b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch ho\u1eb7c n\u01b0\u1edbc mu\u1ed1i sinh l\u00fd trong \u00edt nh\u1ea5t 15 ph\u00fat.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">N\u1ebfu c\u00f3 d\u1ea5u hi\u1ec7u m\u1edd m\u1eaft, \u0111au r\u00e1t k\u00e9o d\u00e0i, \u0111\u1ebfn b\u1ec7nh vi\u1ec7n chuy\u00ean khoa m\u1eaft.<\/span><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bien_Phap_Xu_Ly_Khi_Tran_Do_Hoa_Chat_Sat_III\"><\/span><b>Bi\u1ec7n Ph\u00e1p X\u1eed L\u00fd Khi Tr\u00e0n \u0110\u1ed5 H\u00f3a Ch\u1ea5t S\u1eaft (III)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>Nguy\u00ean t\u1eafc chung:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf lan r\u1ed9ng, kh\u00f4ng \u0111\u1ec3 h\u00f3a ch\u1ea5t ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ea5t, n\u01b0\u1edbc, h\u1ec7 th\u1ed1ng c\u1ed1ng r\u00e3nh.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Kh\u00f4ng d\u00f9ng n\u01b0\u1edbc x\u1ecbt r\u1eeda tr\u1ef1c ti\u1ebfp v\u00ec c\u00f3 th\u1ec3 t\u1ea1o dung d\u1ecbch axit g\u00e2y \u0103n m\u00f2n lan r\u1ed9ng h\u01a1n.<\/span><\/li><\/ul><p><b>N\u1ebfu tr\u00e0n m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">R\u1eafc c\u00e1t, b\u1ed9t th\u1ea5m h\u00f3a ch\u1ea5t (CaCO\u2083, \u0111\u1ea5t s\u00e9t) \u0111\u1ec3 h\u00fat h\u00f3a ch\u1ea5t.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Thu gom v\u00e0o th\u00f9ng ch\u1ee9a c\u00f3 n\u1eafp \u0111\u1eady k\u00edn, d\u00e1n nh\u00e3n x\u1eed l\u00fd.<\/span><\/li><\/ul><p><b>N\u1ebfu tr\u00e0n \u0111\u1ed5 l\u01b0\u1ee3ng l\u1edbn tr\u00ean 50 kg:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">L\u1eadp t\u1ee9c c\u00e1ch ly khu v\u1ef1c, b\u00e1o \u0111\u1ed9ng an to\u00e0n.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">H\u1ea1n ch\u1ebf di chuy\u1ec3n trong khu v\u1ef1c tr\u00e0n h\u00f3a ch\u1ea5t.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng h\u00fat kh\u00ed ho\u1eb7c m\u1eb7t n\u1ea1 ph\u00f2ng \u0111\u1ed9c n\u1ebfu c\u00f3 kh\u00ed \u0111\u1ed9c tho\u00e1t ra.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">B\u00e1o ngay cho \u0111\u1ed9i x\u1eed l\u00fd h\u00f3a ch\u1ea5t nguy hi\u1ec3m \u0111\u1ec3 c\u00f3 bi\u1ec7n ph\u00e1p ph\u00f9 h\u1ee3p.<\/span><\/li><\/ul><p><b>Nh\u1eefng \u0111i\u1ec1u c\u1ea7n tr\u00e1nh:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Kh\u00f4ng \u0111\u1ed5 tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc, s\u00f4ng h\u1ed3 v\u00ec g\u00e2y \u00f4 nhi\u1ec5m nghi\u00eam tr\u1ecdng.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Kh\u00f4ng d\u00f9ng c\u00e1c dung m\u00f4i nh\u01b0 c\u1ed3n, x\u0103ng d\u1ea7u \u0111\u1ec3 l\u00e0m s\u1ea1ch v\u00ec c\u00f3 th\u1ec3 g\u00e2y ph\u1ea3n \u1ee9ng nguy hi\u1ec3m.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Kh\u00f4ng \u0111\u1ec3 h\u00f3a ch\u1ea5t t\u1ed3n \u0111\u1ecdng qu\u00e1 l\u00e2u m\u00e0 kh\u00f4ng x\u1eed l\u00fd v\u00ec h\u00f3a ch\u1ea5t c\u00f3 th\u1ec3 b\u1ed1c h\u01a1i ho\u1eb7c k\u1ebft tinh g\u00e2y nguy hi\u1ec3m.<\/span><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quy_Trinh_Xu_Ly_Chat_Thai_Hoa_Chat_Sat_3_Theo_Tieu_Chuan\"><\/span><b>Quy Tr\u00ecnh X\u1eed L\u00fd Ch\u1ea5t Th\u1ea3i H\u00f3a Ch\u1ea5t S\u1eaft 3 Theo Ti\u00eau Chu\u1ea9n<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><p><b>Ph\u00e2n lo\u1ea1i ch\u1ea5t th\u1ea3i:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">FeCl\u2083, Fe(NO\u2083)\u2083 (h\u1ee3p ch\u1ea5t c\u00f3 t\u00ednh axit cao) \u2192 X\u1eed l\u00fd theo ti\u00eau chu\u1ea9n QCVN 07:2009\/BTNMT.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Fe\u2082O\u2083, Fe(OH)\u2083 (ch\u1ea5t r\u1eafn kh\u00f3 tan, \u00edt nguy h\u1ea1i) \u2192 C\u00f3 th\u1ec3 t\u00e1i ch\u1ebf l\u00e0m nguy\u00ean li\u1ec7u th\u1ee9 c\u1ea5p.<\/span><\/li><\/ul><p><b>Ph\u01b0\u01a1ng ph\u00e1p trung h\u00f2a v\u00e0 x\u1eed l\u00fd:<\/b><\/p><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Trung h\u00f2a FeCl\u2083, Fe(NO\u2083)\u2083 b\u1eb1ng Na\u2082CO\u2083 ho\u1eb7c Ca(OH)\u2082 \u0111\u1ec3 t\u1ea1o k\u1ebft t\u1ee7a an to\u00e0n.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Ch\u1ea5t th\u1ea3i thu gom ph\u1ea3i \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ec3 ch\u1ee9a chuy\u00ean d\u1ee5ng, c\u00f3 ki\u1ec3m so\u00e1t pH.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Ch\u1ea5t th\u1ea3i r\u1eafn (b\u00f9n ch\u1ee9a Fe) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng trong xi m\u0103ng ho\u1eb7c luy\u1ec7n kim.<\/span><\/li><\/ul><p><b>Quy \u0111\u1ecbnh ph\u00e1p lu\u1eadt:<\/b><b>\n<\/b><span style=\"font-weight: 400;\">C\u00e1c doanh nghi\u1ec7p s\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t s\u1eaft 3 ph\u1ea3i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t theo Ngh\u1ecb \u0111\u1ecbnh 38\/2015\/N\u0110-CP v\u1ec1 qu\u1ea3n l\u00fd ch\u1ea5t th\u1ea3i v\u00e0 ph\u1ebf li\u1ec7u.<\/span><\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mua_Hoa_Chat_Sat_III_Uy_Tin_%E2%80%93_Loc_Thien\"><\/span><b>Mua H\u00f3a Ch\u1ea5t S\u1eaft (III) Uy T\u00edn &#8211; L\u1ed9c Thi\u00ean<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2><p><span style=\"font-weight: 400;\">C\u00f4ng ty L\u1ed9c Thi\u00ean chuy\u00ean cung c\u1ea5p FeCl\u2083, Fe\u2082(SO\u2084)\u2083, Fe(NO\u2083)\u2083, Fe\u2082O\u2083 v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, ph\u1ee5c v\u1ee5 nhu c\u1ea7u s\u1ea3n xu\u1ea5t trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/span><\/p><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ly_do_doanh_nghiep_lua_chon_Loc_Thien\"><\/span><b>L\u00fd do doanh nghi\u1ec7p l\u1ef1a ch\u1ecdn L\u1ed9c Thi\u00ean<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Nh\u1eadp kh\u1ea9u ch\u00ednh h\u00e3ng t\u1eeb M\u1ef9, Nh\u1eadt, Ph\u00e1p, Trung Qu\u1ed1c, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">Ch\u1ee9ng nh\u1eadn MSDS, COA \u0111\u1ea7y \u0111\u1ee7, an to\u00e0n v\u00e0 \u0111\u00fang ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng kho b\u00e3i l\u1edbn t\u1ea1i TP.HCM, B\u00ecnh D\u01b0\u01a1ng, \u0110\u1ed3ng Nai, \u0110\u00e0 N\u1eb5ng, C\u1ea7n Th\u01a1, giao h\u00e0ng nhanh ch\u00f3ng tr\u00ean to\u00e0n qu\u1ed1c.<\/span><\/li>\n\n<li><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt chuy\u00ean s\u00e2u, gi\u00fap doanh nghi\u1ec7p l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m t\u1ed1i \u01b0u.<\/span><\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Thong_tin_lien_he\"><\/span><b>Th\u00f4ng tin li\u00ean h\u1ec7<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><span style=\"font-weight: 400;\">Loc Thien Investment and Development Co., Ltd.<\/span><\/li>\n\n<li><b>Hotline:<\/b><span style=\"font-weight: 400;\"> 0979 89 19 29<\/span><\/li>\n\n<li><b>Website <\/b><a href=\"https:\/\/hoachatxulynuoc.vn\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">hoachatlocthien.com<\/span><\/a><\/li>\n\n<li><b>Email:<\/b><span style=\"font-weight: 400;\">locthien@locthien.vn<\/span><\/li>\n\n<li><b>Address: <\/b><span style=\"font-weight: 400;\">452\/6B Provincial Road 10, Binh Tri Dong Ward, Binh Tan District, Ho Chi Minh City<\/span><\/li>\n\n<li><b>Kho h\u00e0ng:<\/b><span style=\"font-weight: 400;\"> TP.HCM, B\u00ecnh D\u01b0\u01a1ng, \u0110\u1ed3ng Nai, B\u00e0 R\u1ecba &#8211; V\u0169ng T\u00e0u, \u0110\u00e0 N\u1eb5ng, C\u1ea7n Th\u01a1<\/span><\/li><\/ul><div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"120\" height=\"120\" data-sizes=\"(max-width: 120px) 100vw, 120px\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/01\/logo-hoa-chat-loc-thien-nen-1.png\" alt=\"Logo C\u00f4ng Ty H\u00f3a Ch\u1ea5t L\u1ed8C Thi\u00ean\" class=\"wp-image-5069 lazyload\" style=\"--smush-placeholder-width: 120px; --smush-placeholder-aspect-ratio: 120\/120;object-fit:cover;width:300px;height:260px\" data-srcset=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/01\/logo-hoa-chat-loc-thien-nen-1.png 120w, https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/01\/logo-hoa-chat-loc-thien-nen-1-100x100.png 100w\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" \/><\/figure><\/div><div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1741581162395\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"Su_khac_biet_giua_Sat_II_va_Sat_III_trong_ung_dung_cong_nghiep_la_gi\"><\/span><strong>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa S\u1eaft (II) v\u00e0 S\u1eaft (III) trong \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p l\u00e0 g\u00ec?<\/strong><br><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>S\u1eaft (II) (Fe\u00b2\u207a) v\u00e0 S\u1eaft (III) (Fe\u00b3\u207a) c\u00f3 nhi\u1ec1u \u0111i\u1ec3m kh\u00e1c bi\u1ec7t v\u1ec1 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc v\u00e0 \u1ee9ng d\u1ee5ng:<br \/>   + <strong>S\u1eaft (II) c\u00f3 t\u00ednh kh\u1eed m\u1ea1nh h\u01a1n, d\u1ec5 b\u1ecb oxy h\u00f3a l\u00ean S\u1eaft (III).<\/strong> V\u00ed d\u1ee5, FeSO\u2084 (S\u1eaft (II) Sunfat) th\u01b0\u1eddng chuy\u1ec3n th\u00e0nh Fe\u2082(SO\u2084)\u2083 khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed.<br \/>   + <strong>S\u1eaft (III) c\u00f3 t\u00ednh oxy h\u00f3a m\u1ea1nh<\/strong>, gi\u00fap lo\u1ea1i b\u1ecf kim lo\u1ea1i n\u1eb7ng v\u00e0 t\u1ea1p ch\u1ea5t hi\u1ec7u qu\u1ea3 h\u01a1n trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i.<br \/><strong>Application<\/strong><br \/>   + <strong>S\u1eaft (II):<\/strong> D\u00f9ng trong s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n, d\u01b0\u1ee3c ph\u1ea9m, ch\u1ea5t t\u1ea1o m\u00e0u.<br \/>   + <strong>S\u1eaft (III):<\/strong> D\u00f9ng trong x\u1eed l\u00fd n\u01b0\u1edbc, ng\u00e0nh s\u01a1n, g\u1ed1m s\u1ee9, \u0111i\u1ec7n t\u1eed v\u00e0 h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1741581204198\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"Sat_III_co_vai_tro_gi_trong_nong_nghiep_va_phan_bon_vi_luong\"><\/span><strong>S\u1eaft (III) c\u00f3 vai tr\u00f2 g\u00ec trong n\u00f4ng nghi\u1ec7p v\u00e0 ph\u00e2n b\u00f3n vi l\u01b0\u1ee3ng?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>S\u1eaft (III) \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong n\u00f4ng nghi\u1ec7p, \u0111\u1eb7c bi\u1ec7t trong vi\u1ec7c cung c\u1ea5p vi l\u01b0\u1ee3ng s\u1eaft cho c\u00e2y tr\u1ed3ng:<br \/>   + <strong>Fe(NO\u2083)\u2083 (S\u1eaft (III) Nitrat)<\/strong> l\u00e0 ngu\u1ed3n s\u1eaft d\u1ec5 h\u1ea5p th\u1ee5, gi\u00fap c\u00e2y quang h\u1ee3p t\u1ed1t h\u01a1n.<br \/>   + <strong>Fe\u2082O\u2083 (S\u1eaft (III) Oxit)<\/strong> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea3i t\u1ea1o \u0111\u1ea5t, b\u1ed5 sung vi l\u01b0\u1ee3ng s\u1eaft gi\u00fap c\u00e2y ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh.<br \/><strong>L\u1ee3i \u00edch c\u1ee7a s\u1eaft trong n\u00f4ng nghi\u1ec7p:<\/strong><br \/>   + Ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng v\u00e0ng l\u00e1 do thi\u1ebfu s\u1eaft.<br \/>   + Th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p di\u1ec7p l\u1ee5c, t\u0103ng n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng.<br \/>   + H\u1ed7 tr\u1ee3 c\u00e2y tr\u1ed3ng ph\u00e1t tri\u1ec3n trong m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t c\u00f3 \u0111\u1ed9 pH cao.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1741581224662\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"Vi_sao_Sat_III_Clorua_duoc_dung_de_an_mon_bang_mach_PCB\"><\/span><strong>V\u00ec sao S\u1eaft (III) Clorua \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0103n m\u00f2n b\u1ea3ng m\u1ea1ch PCB?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>FeCl\u2083 l\u00e0 h\u00f3a ch\u1ea5t quan tr\u1ecdng trong kh\u1eafc m\u1ea1ch in PCB (Printed Circuit Board) do kh\u1ea3 n\u0103ng \u0103n m\u00f2n m\u1ea1nh:<br \/>   + C\u01a1 ch\u1ebf \u0103n m\u00f2n: FeCl\u2083 ph\u1ea3n \u1ee9ng v\u1edbi \u0111\u1ed3ng (Cu) tr\u00ean b\u1ea3ng m\u1ea1ch, t\u1ea1o CuCl\u2082, gi\u00fap lo\u1ea1i b\u1ecf ph\u1ea7n \u0111\u1ed3ng d\u01b0 th\u1eeba v\u00e0 t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n ch\u00ednh x\u00e1c.<br \/>\u01afu \u0111i\u1ec3m c\u1ee7a FeCl\u2083 so v\u1edbi c\u00e1c h\u00f3a ch\u1ea5t kh\u00e1c:<br \/>   + An to\u00e0n h\u01a1n so v\u1edbi axit nitric (HNO\u2083) ho\u1eb7c axit clohydric (HCl).<br \/>   + Hi\u1ec7u su\u1ea5t \u0103n m\u00f2n nhanh, kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1edbp n\u1ec1n PCB.<br \/>   + D\u1ec5 d\u00e0ng thu h\u1ed3i \u0111\u1ed3ng th\u1eeba \u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng.<br \/><strong>Application<\/strong> Kh\u00f4ng ch\u1ec9 trong PCB, FeCl\u2083 c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 kh\u1eafc kim lo\u1ea1i, ch\u1ebf t\u00e1c trang s\u1ee9c v\u00e0 c\u00f4ng nghi\u1ec7p in \u1ea5n.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1741581241347\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"Co_the_thay_the_Sat_III_Sunfat_bang_Sat_III_Clorua_trong_xu_ly_nuoc_khong\"><\/span><strong>C\u00f3 th\u1ec3 thay th\u1ebf S\u1eaft (III) Sunfat b\u1eb1ng S\u1eaft (III) Clorua trong x\u1eed l\u00fd n\u01b0\u1edbc kh\u00f4ng?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>C\u1ea3 Fe\u2082(SO\u2084)\u2083 v\u00e0 FeCl\u2083 \u0111\u1ec1u l\u00e0 ch\u1ea5t keo t\u1ee5 hi\u1ec7u qu\u1ea3 trong x\u1eed l\u00fd n\u01b0\u1edbc, nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t:<br \/>   + FeCl\u2083 c\u00f3 t\u00ednh axit m\u1ea1nh h\u01a1n, ph\u00f9 h\u1ee3p \u0111\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f3 \u0111\u1ed9 ki\u1ec1m cao ho\u1eb7c ch\u1ee9a nhi\u1ec1u d\u1ea7u m\u1ee1.<br \/>   + Fe\u2082(SO\u2084)\u2083 \u00edt \u0103n m\u00f2n h\u01a1n, th\u00edch h\u1ee3p cho c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p v\u00e0 n\u01b0\u1edbc sinh ho\u1ea1t.<br \/>   + Trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n lo\u1ea1i b\u1ecf photphat ho\u1eb7c ki\u1ec3m so\u00e1t \u0111\u1ed9 pH, FeCl\u2083 th\u01b0\u1eddng hi\u1ec7u qu\u1ea3 h\u01a1n.<br \/>   + Trong ng\u00e0nh d\u1ec7t nhu\u1ed9m, Fe\u2082(SO\u2084)\u2083 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean v\u00ec \u00edt g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng m\u00e0u c\u1ee7a v\u1ea3i.<br \/>Do \u0111\u00f3, t\u00f9y v\u00e0o lo\u1ea1i n\u01b0\u1edbc th\u1ea3i v\u00e0 y\u00eau c\u1ea7u x\u1eed l\u00fd, doanh nghi\u1ec7p c\u00f3 th\u1ec3 ch\u1ecdn lo\u1ea1i h\u00f3a ch\u1ea5t ph\u00f9 h\u1ee3p.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1741581260977\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><span class=\"ez-toc-section\" id=\"Co_the_tai_che_hoac_xu_ly_chat_thai_chua_hop_chat_Sat_III_nhu_the_nao\"><\/span><strong>C\u00f3 th\u1ec3 t\u00e1i ch\u1ebf ho\u1eb7c x\u1eed l\u00fd ch\u1ea5t th\u1ea3i ch\u1ee9a h\u1ee3p ch\u1ea5t S\u1eaft (III) nh\u01b0 th\u1ebf n\u00e0o?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Vi\u1ec7c x\u1eed l\u00fd v\u00e0 t\u00e1i ch\u1ebf ch\u1ea5t th\u1ea3i ch\u1ee9a S\u1eaft (III) gi\u00fap b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 ti\u1ebft ki\u1ec7m t\u00e0i nguy\u00ean. M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn:<br \/>   + Ch\u1ea5t th\u1ea3i ch\u1ee9a FeCl\u2083, Fe(NO\u2083)\u2083 (h\u1ee3p ch\u1ea5t c\u00f3 t\u00ednh axit cao): Trung h\u00f2a b\u1eb1ng NaOH, Na\u2082CO\u2083 ho\u1eb7c Ca(OH)\u2082 \u0111\u1ec3 t\u1ea1o Fe(OH)\u2083 k\u1ebft t\u1ee7a an to\u00e0n tr\u01b0\u1edbc khi x\u1ea3 th\u1ea3i.<br \/>   + B\u00f9n th\u1ea3i ch\u1ee9a Fe(OH)\u2083: C\u00f3 th\u1ec3 t\u00e1i ch\u1ebf l\u00e0m nguy\u00ean li\u1ec7u trong s\u1ea3n xu\u1ea5t xi m\u0103ng, g\u1ea1ch, b\u00ea t\u00f4ng ho\u1eb7c s\u1eed d\u1ee5ng trong luy\u1ec7n kim.<br \/>   + B\u1ed9t S\u1eaft (III) Oxit (Fe\u2082O\u2083) d\u01b0 th\u1eeba: \u0110\u01b0\u1ee3c thu h\u1ed3i \u0111\u1ec3 s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t s\u01a1n ch\u1ed1ng r\u1ec9, men g\u1ed1m, ch\u1ea5t t\u1ea1o m\u00e0u.<br \/>   + Kh\u00f4ng \u0111\u1ed5 tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng n\u01b0\u1edbc: V\u00ec Fe\u00b3\u207a c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i pH n\u01b0\u1edbc v\u00e0 g\u00e2y \u00f4 nhi\u1ec5m ngu\u1ed3n n\u01b0\u1edbc.<br \/>   + Vi\u1ec7c x\u1eed l\u00fd ch\u1ea5t th\u1ea3i h\u00f3a ch\u1ea5t S\u1eaft (III) c\u1ea7n tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh m\u00f4i tr\u01b0\u1eddng nh\u01b0 QCVN 07:2009\/BTNMT v\u00e0 Ngh\u1ecb \u0111\u1ecbnh 38\/2015\/N\u0110-CP c\u1ee7a Vi\u1ec7t Nam.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div><p><\/p>","protected":false},"excerpt":{"rendered":"<p>S\u1eaft (III) (Fe\u00b3\u207a) l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 kim lo\u1ea1i quan tr\u1ecdng, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong x\u1eed l\u00fd n\u01b0\u1edbc, c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, luy\u1ec7n kim, \u0111i\u1ec7n t\u1eed, s\u1ea3n xu\u1ea5t s\u01a1n v\u00e0 g\u1ed1m s\u1ee9. C\u00e1c h\u1ee3p ch\u1ea5t s\u1eaft 3 nh\u01b0 FeCl\u2083, Fe\u2082(SO\u2084)\u2083 c\u00f3 t\u00e1c d\u1ee5ng k\u1ebft t\u1ee7a, lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t v\u00e0 x\u1eed l\u00fd kim [&#8230;]\n","protected":false},"author":1,"featured_media":5843,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5834","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/5834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/comments?post=5834"}],"version-history":[{"count":11,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/5834\/revisions"}],"predecessor-version":[{"id":5877,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/5834\/revisions\/5877"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/media\/5843"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/media?parent=5834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/categories?post=5834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/tags?post=5834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}