{"id":9429,"date":"2026-07-19T11:47:16","date_gmt":"2026-07-19T04:47:16","guid":{"rendered":"https:\/\/hoachatlocthien.com\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong"},"modified":"2026-07-19T11:47:16","modified_gmt":"2026-07-19T04:47:16","slug":"fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong","title":{"rendered":"FeCl2 t\u00e1i ch\u1ebf l\u00e0 g\u00ec? L\u1ee3i \u00edch cho doanh nghi\u1ec7p v\u00e0 m\u00f4i tr\u01b0\u1eddng \u2013 x\u00e3 h\u1ed9i"},"content":{"rendered":"<div class=\"geo-aio-answer\">\n  <p><strong>FeCl2 t\u00e1i ch\u1ebf<\/strong> l\u00e0 s\u1eaft(II) clorua (ferrous chloride, CAS <strong>7758-94-3<\/strong>) thu t\u1eeb d\u00f2ng ph\u1ee5\/ph\u1ebf \u2014 acid ng\u00e2m th\u00e9p (spent pickling liquor), s\u1eaft ph\u1ebf + HCl, ho\u1eb7c kh\u1eed FeCl\u2083 d\u01b0 \u2014 sau l\u1ecdc, ch\u1ec9nh n\u1ed3ng \u0111\u1ed9 v\u00e0 ki\u1ec3m t\u1ea1p.<\/p>\n  <p>Doanh nghi\u1ec7p gi\u1ea3m g\u00e1nh acid\/ph\u1ebf s\u1eaft; m\u00f4i tr\u01b0\u1eddng gi\u1ea3m x\u1ea3 kim lo\u1ea1i \u2014 nh\u01b0ng <em>kh\u00f4ng<\/em> \u0111\u1ed3ng ngh\u0129a \u0111\u01b0\u1ee3c x\u1ea3 t\u1ef1 do: v\u1eabn c\u1ea7n COA\/MSDS, PPE v\u00e0 khung ch\u1ea5t th\u1ea3i\u2013h\u00f3a ch\u1ea5t. C\u1ea7n dung d\u1ecbch \u1ed5n \u0111\u1ecbnh 15\u201330%? Xem <a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/fecl2-sat-ii-clorua\/\">FeCl2 c\u00f4ng nghi\u1ec7p L\u1ed9c Thi\u00ean<\/a>.<\/p>\n<\/div>\n\n<ul class=\"ux-key-points\">\n  <li><strong>T\u00e1i ch\u1ebf \u2260 \u201c\u0111\u1ed5 ph\u1ebf kh\u00f4ng ki\u1ec3m so\u00e1t\u201d<\/strong> \u2014 c\u1ea7n QC (%, t\u1ea1p, kim lo\u1ea1i n\u1eb7ng) v\u00e0 v\u1eadn h\u00e0nh \u0111\u00fang ph\u00e9p.<\/li>\n  <li><strong>L\u1ee3i \u00edch DN:<\/strong> TCO acid + x\u1eed l\u00fd ch\u1ea5t th\u1ea3i + ngu\u1ed3n Fe\u00b2\u207a cho keo t\u1ee5\/kh\u1eed khi lab cho ph\u00e9p.<\/li>\n  <li><strong>M\u00f4i tr\u01b0\u1eddng\u2013x\u00e3 h\u1ed9i:<\/strong> tu\u1ea7n ho\u00e0n Fe\/HCl, gi\u1ea3m \u00e1p l\u1ef1c b\u00e3i th\u1ea3i \u2014 song song mua FeCl2 chu\u1ea9n khi thi\u1ebfu h\u1ea1 t\u1ea7ng.<\/li>\n<\/ul>\n\n<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\">\ub0b4\uc6a9<\/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;\">\ud1a0\uae00<\/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\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#FeCl2_tai_che_khac_dieu_che_lab_the_nao\" title=\"FeCl2 t\u00e1i ch\u1ebf kh\u00e1c \u0111i\u1ec1u ch\u1ebf lab th\u1ebf n\u00e0o?\">FeCl2 t\u00e1i ch\u1ebf kh\u00e1c \u0111i\u1ec1u ch\u1ebf lab th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#Nguon_nguyen_lieu_tai_che_FeCl2_pho_bien_o_nha_may\" title=\"Ngu\u1ed3n nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf FeCl2 ph\u1ed5 bi\u1ebfn \u1edf nh\u00e0 m\u00e1y?\">Ngu\u1ed3n nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf FeCl2 ph\u1ed5 bi\u1ebfn \u1edf nh\u00e0 m\u00e1y?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#Loi_ich_kinh_te_cho_doanh_nghiep_khi_thu_hoi_hoac_dung_FeCl2_tai_che\" title=\"L\u1ee3i \u00edch kinh t\u1ebf cho doanh nghi\u1ec7p khi thu h\u1ed3i ho\u1eb7c d\u00f9ng FeCl2 t\u00e1i ch\u1ebf?\">L\u1ee3i \u00edch kinh t\u1ebf cho doanh nghi\u1ec7p khi thu h\u1ed3i ho\u1eb7c d\u00f9ng FeCl2 t\u00e1i ch\u1ebf?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#Loi_ich_moi_truong_va_xa_hoi_%E2%80%94_noi_thang_gioi_han\" title=\"L\u1ee3i \u00edch m\u00f4i tr\u01b0\u1eddng v\u00e0 x\u00e3 h\u1ed9i \u2014 n\u00f3i th\u1eb3ng gi\u1edbi h\u1ea1n\">L\u1ee3i \u00edch m\u00f4i tr\u01b0\u1eddng v\u00e0 x\u00e3 h\u1ed9i \u2014 n\u00f3i th\u1eb3ng gi\u1edbi h\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#Rui_ro_tap_chat_va_checklist_QC_truoc_khi_dung\" title=\"R\u1ee7i ro t\u1ea1p ch\u1ea5t v\u00e0 checklist QC tr\u01b0\u1edbc khi d\u00f9ng?\">R\u1ee7i ro t\u1ea1p ch\u1ea5t v\u00e0 checklist QC tr\u01b0\u1edbc khi d\u00f9ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#Khi_nao_nen_mua_FeCl2_15%E2%80%9330_thay_vi_tu_tai_che\" title=\"Khi n\u00e0o n\u00ean mua FeCl2 15\u201330% thay v\u00ec t\u1ef1 t\u00e1i ch\u1ebf?\">Khi n\u00e0o n\u00ean mua FeCl2 15\u201330% thay v\u00ec t\u1ef1 t\u00e1i ch\u1ebf?<\/a><\/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\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#FeCl2_tai_che_dung_XLNT_khac_FeCl3_va_PAC_the_nao\" title=\"FeCl2 t\u00e1i ch\u1ebf d\u00f9ng XLNT kh\u00e1c FeCl3 v\u00e0 PAC th\u1ebf n\u00e0o?\">FeCl2 t\u00e1i ch\u1ebf d\u00f9ng XLNT kh\u00e1c FeCl3 v\u00e0 PAC th\u1ebf n\u00e0o?<\/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\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#An_toan_khi_lam_viec_voi_dong_tai_che_FeCl2_acid_ngam\" title=\"An to\u00e0n khi l\u00e0m vi\u1ec7c v\u1edbi d\u00f2ng t\u00e1i ch\u1ebf FeCl2 \/ acid ng\u00e2m\">An to\u00e0n khi l\u00e0m vi\u1ec7c v\u1edbi d\u00f2ng t\u00e1i ch\u1ebf FeCl2 \/ acid ng\u00e2m<\/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\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#Cau_hoi_thuong_gap_ve_FeCl2_tai_che\" title=\"C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 FeCl2 t\u00e1i ch\u1ebf\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 FeCl2 t\u00e1i ch\u1ebf<\/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\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#FeCl2_tai_che_la_gi\" title=\"FeCl2 t\u00e1i ch\u1ebf l\u00e0 g\u00ec?\">FeCl2 t\u00e1i ch\u1ebf 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-11\" href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#FeCl2_tai_che_co_phai_chat_khac_FeCl2_mua_san_khong\" title=\"FeCl2 t\u00e1i ch\u1ebf c\u00f3 ph\u1ea3i ch\u1ea5t kh\u00e1c FeCl2 mua s\u1eb5n kh\u00f4ng?\">FeCl2 t\u00e1i ch\u1ebf c\u00f3 ph\u1ea3i ch\u1ea5t kh\u00e1c FeCl2 mua s\u1eb5n kh\u00f4ng?<\/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\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#Tu_tai_che_acid_ngam_co_duoc_xa_ra_moi_truong_khong\" title=\"T\u1ef1 t\u00e1i ch\u1ebf acid ng\u00e2m c\u00f3 \u0111\u01b0\u1ee3c x\u1ea3 ra m\u00f4i tr\u01b0\u1eddng kh\u00f4ng?\">T\u1ef1 t\u00e1i ch\u1ebf acid ng\u00e2m c\u00f3 \u0111\u01b0\u1ee3c x\u1ea3 ra m\u00f4i tr\u01b0\u1eddng kh\u00f4ng?<\/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\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#Phuong_trinh_khu_FeCl3_thanh_FeCl2\" title=\"Ph\u01b0\u01a1ng tr\u00ecnh kh\u1eed FeCl3 th\u00e0nh FeCl2?\">Ph\u01b0\u01a1ng tr\u00ecnh kh\u1eed FeCl3 th\u00e0nh FeCl2?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#CAS_cua_FeCl2_la_so_nao\" title=\"CAS c\u1ee7a FeCl2 l\u00e0 s\u1ed1 n\u00e0o?\">CAS c\u1ee7a FeCl2 l\u00e0 s\u1ed1 n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#MOQ_va_giao_FeCl2_tai_Loc_Thien_the_nao\" title=\"MOQ v\u00e0 giao FeCl2 t\u1ea1i L\u1ed9c Thi\u00ean th\u1ebf n\u00e0o?\">MOQ v\u00e0 giao FeCl2 t\u1ea1i L\u1ed9c Thi\u00ean th\u1ebf n\u00e0o?<\/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\/ko\/fecl2-tai-che-la-gi-loi-ich-doanh-nghiep-moi-truong\/#Co_ho_tro_jar-test_khi_chuyen_sang_FeCl2_khong\" title=\"C\u00f3 h\u1ed7 tr\u1ee3 jar-test khi chuy\u1ec3n sang FeCl2 kh\u00f4ng?\">C\u00f3 h\u1ed7 tr\u1ee3 jar-test khi chuy\u1ec3n sang FeCl2 kh\u00f4ng?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"FeCl2_tai_che_khac_dieu_che_lab_the_nao\"><\/span>FeCl2 t\u00e1i ch\u1ebf kh\u00e1c \u0111i\u1ec1u ch\u1ebf lab th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110i\u1ec1u ch\u1ebf lab th\u01b0\u1eddng xu\u1ea5t ph\u00e1t t\u1eeb ph\u1ea3n \u1ee9ng \u201cs\u1ea1ch\u201d \u0111\u1ec3 hi\u1ec3u h\u00f3a h\u1ecdc: s\u1eaft kim lo\u1ea1i + acid clohydric theo ph\u01b0\u01a1ng tr\u00ecnh Fe + 2HCl \u2192 FeCl\u2082 + H\u2082 (c\u00f3 hydro \u2014 c\u1ea7n t\u1ee7 h\u00fat, c\u1ea5m l\u1eeda). Quy tr\u00ecnh ph\u00f2ng th\u00ed nghi\u1ec7m \u01b0u ti\u00ean ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9 v\u00e0 an to\u00e0n, kh\u00f4ng nh\u1eafm t\u1ed1i \u01b0u TCO nh\u00e0 m\u00e1y.<\/p>\n<p><strong>FeCl2 t\u00e1i ch\u1ebf \/ thu h\u1ed3i c\u00f4ng nghi\u1ec7p<\/strong> d\u00f9ng nguy\u00ean li\u1ec7u l\u00e0 d\u00f2ng \u0111\u00e3 t\u1ed3n t\u1ea1i trong nh\u00e0 m\u00e1y: acid ng\u00e2m th\u00e9p h\u1ebft v\u00f2ng \u0111\u1eddi, s\u1eaft ph\u1ebf\/phoi, FeCl\u2083 d\u01b0 tu\u1ea7n ho\u00e0n n\u1ed9i b\u1ed9. M\u1ee5c ti\u00eau l\u00e0 thu dung d\u1ecbch Fe\u00b2\u207a \u1ed5n \u0111\u1ecbnh sau l\u1ecdc\u2013ch\u1ec9nh %, h\u1ea1n ch\u1ebf oxy h\u00f3a sang Fe\u00b3\u207a khi b\u1ea3o qu\u1ea3n h\u1edf. Chi ti\u1ebft ph\u1ea3n \u1ee9ng lab v\u00e0 SX t\u1ed5ng qu\u00e1t n\u1eb1m \u1edf b\u00e0i <a href=\"https:\/\/hoachatlocthien.com\/ko\/dieu-che-fecl2-sat-ii-clorua-bang-cach-nao\/\">\u0111i\u1ec1u ch\u1ebf &amp; s\u1ea3n xu\u1ea5t FeCl2<\/a>; b\u00e0i n\u00e0y \u0111i s\u00e2u g\u00f3c <em>t\u00e1i ch\u1ebf \u2013 l\u1ee3i \u00edch \u2013 r\u1ee7i ro<\/em>.<\/p>\n<p>Theo \u0111\u1ecbnh danh PubChem, h\u1ee3p ch\u1ea5t s\u1eaft(II) clorua mang CAS <strong>7758-94-3<\/strong> \u2014 c\u00f9ng entity v\u1edbi FeCl2 th\u01b0\u01a1ng m\u1ea1i; kh\u00e1c bi\u1ec7t ch\u1ee7 y\u1ebfu \u1edf <strong>ngu\u1ed3n nguy\u00ean li\u1ec7u v\u00e0 h\u1ed3 s\u01a1 t\u1ea1p ch\u1ea5t<\/strong>, kh\u00f4ng ph\u1ea3i \u201cm\u1ed9t ch\u1ea5t h\u00f3a h\u1ecdc kh\u00e1c t\u00ean\u201d.<\/p>\n\n<figure class=\"wp-block-table\">\n<table>\n  <thead>\n    <tr>\n      <th>\uae30\uc900<\/th>\n      <th>\u0110i\u1ec1u ch\u1ebf lab \/ hi\u1ec3u ph\u1ea3n \u1ee9ng<\/th>\n      <th>FeCl2 t\u00e1i ch\u1ebf \/ thu h\u1ed3i CN<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>Nguy\u00ean li\u1ec7u ch\u00ednh<\/td>\n      <td>Fe s\u1ea1ch, HCl \u0111\u1ecbnh m\u1ee9c SOP lab<\/td>\n      <td>Acid ng\u00e2m th\u00e9p, s\u1eaft ph\u1ebf, FeCl\u2083 d\u01b0<\/td>\n    <\/tr>\n    <tr>\n      <td>\u01afu ti\u00ean<\/td>\n      <td>An to\u00e0n lab, quan s\u00e1t m\u00e0u\/k\u1ebft t\u1ee7a<\/td>\n      <td>TCO, gi\u1ea3m th\u1ea3i, % \u1ed5n \u0111\u1ecbnh, COA l\u00f4<\/td>\n    <\/tr>\n    <tr>\n      <td>R\u1ee7i ro \u0111\u1eb7c th\u00f9<\/td>\n      <td>H\u2082, acid b\u1ecfng, thi\u1ebft b\u1ecb th\u1ee7y tinh<\/td>\n      <td>T\u1ea1p kim lo\u1ea1i, d\u1ea7u, SO\u2084\u00b2\u207b, bi\u1ebfn thi\u00ean l\u00f4<\/td>\n    <\/tr>\n    <tr>\n      <td>\u0110\u1ea7u ra hay d\u00f9ng<\/td>\n      <td>M\u1eabu nh\u1ecf, gi\u1ea3ng d\u1ea1y\/R&amp;D<\/td>\n      <td>Dung d\u1ecbch keo t\u1ee5\/kh\u1eed, trung gian h\u00f3a ch\u1ea5t<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n<\/figure>\n\n<h2><span class=\"ez-toc-section\" id=\"Nguon_nguyen_lieu_tai_che_FeCl2_pho_bien_o_nha_may\"><\/span>Ngu\u1ed3n nguy\u00ean li\u1ec7u t\u00e1i ch\u1ebf FeCl2 ph\u1ed5 bi\u1ebfn \u1edf nh\u00e0 m\u00e1y?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ba ngu\u1ed3n hay g\u1eb7p trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt v\u00e0 v\u1eadn h\u00e0nh th\u00e9p\/h\u00f3a ch\u1ea5t:<\/p>\n<ol>\n  <li><strong>Acid ng\u00e2m th\u00e9p (spent pickling liquor)<\/strong> \u2014 b\u1ec3 HCl (ho\u1eb7c H\u2082SO\u2084 t\u00f9y d\u00e2y chuy\u1ec1n) sau khi t\u1ea9y g\u1ec9 t\u00edch l\u0169y ion s\u1eaft. Ng\u00e0nh qu\u1ed1c t\u1ebf \u0111\u00e3 c\u00f3 h\u01b0\u1edbng thu h\u1ed3i acid v\u00e0 mu\u1ed1i s\u1eaft t\u1eeb d\u00f2ng n\u00e0y \u0111\u1ec3 gi\u1ea3m ch\u1ea5t th\u1ea3i nguy h\u1ea1i v\u00e0 t\u00e1i d\u00f9ng kim lo\u1ea1i\/acid (v\u00ed d\u1ee5 c\u00e1c gi\u1ea3i ph\u00e1p recovery pickle liquor \/ circular coagulant tr\u00ean t\u00e0i li\u1ec7u c\u00f4ng nghi\u1ec7p qu\u1ed1c t\u1ebf). T\u1ea1i Vi\u1ec7t Nam, m\u1ed7i nh\u00e0 m\u00e1y ph\u1ea3i b\u00e1m gi\u1ea5y ph\u00e9p v\u00e0 quy chu\u1ea9n \u00e1p d\u1ee5ng \u2014 kh\u00f4ng sao ch\u00e9p % thu h\u1ed3i n\u01b0\u1edbc ngo\u00e0i v\u00e0o b\u00e1o c\u00e1o n\u1ed9i b\u1ed9 n\u1ebfu ch\u01b0a \u0111o t\u1ea1i ch\u1ed7.<\/li>\n  <li><strong>S\u1eaft ph\u1ebf \/ phoi + HCl<\/strong> \u2014 c\u00f9ng n\u1ec1n Fe + 2HCl \u2192 FeCl\u2082 + H\u2082 nh\u01b0ng nguy\u00ean li\u1ec7u l\u00e0 ph\u1ebf s\u1ea1ch h\u01a1n ph\u00f4i lab; c\u1ea7n s\u00e0ng d\u1ea7u, s\u01a1n, kim lo\u1ea1i l\u1ea1 tr\u01b0\u1edbc ph\u1ea3n \u1ee9ng.<\/li>\n  <li><strong>Kh\u1eed FeCl\u2083 d\u01b0 b\u1eb1ng s\u1eaft<\/strong> \u2014 2FeCl\u2083 + Fe \u2192 3FeCl\u2082. H\u1eefu \u00edch khi d\u00e2y chuy\u1ec1n c\u00f3 FeCl\u2083 th\u1eeba ho\u1eb7c tu\u1ea7n ho\u00e0n n\u1ed9i b\u1ed9; sau kh\u1eed v\u1eabn l\u1ecdc v\u00e0 ch\u1ec9nh %.<\/li>\n<\/ol>\n<p>\u0110\u1ecbnh ngh\u0129a FeCl2 \u201cl\u00e0 g\u00ec\u201d v\u00e0 \u1ee9ng d\u1ee5ng t\u1ed5ng qu\u00e1t: <a href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-la-gi-ung-dung-noi-bat-cua-fecl2\/\">FeCl2 l\u00e0 g\u00ec? \u1ee8ng d\u1ee5ng n\u1ed5i b\u1eadt<\/a>. So FeCl2 v\u1edbi FeCl3 khi ch\u1ecdn h\u00f3a XLNT: hub <a href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-fecl3-sat-clorua\/\">FeCl2 \u2013 FeCl3 s\u1eaft clorua<\/a>.<\/p>\n\n<figure class=\"wp-block-table\">\n<table>\n  <thead>\n    <tr>\n      <th>H\u1ea1ng m\u1ee5c tham chi\u1ebfu th\u01b0\u01a1ng m\u1ea1i<\/th>\n      <th>Gi\u00e1 tr\u1ecb \/ ghi ch\u00fa<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>T\u00ean<\/td>\n      <td>S\u1eaft(II) clorua \/ Ferrous chloride \/ FeCl\u2082<\/td>\n    <\/tr>\n    <tr>\n      <td>CAS<\/td>\n      <td>7758-94-3 (PubChem)<\/td>\n    <\/tr>\n    <tr>\n      <td>N\u1ed3ng \u0111\u1ed9 hay g\u1eb7p B2B<\/td>\n      <td>~15\u201330% dung d\u1ecbch (theo COA l\u00f4)<\/td>\n    <\/tr>\n    <tr>\n      <td>D\u1ea1ng quan s\u00e1t<\/td>\n      <td>L\u1ecfng xanh l\u1ee5c nh\u1ea1t; h\u1edf l\u00e2u d\u1ec5 s\u1eabm do oxy h\u00f3a Fe\u00b3\u207a<\/td>\n    <\/tr>\n    <tr>\n      <td>\ud3ec\uc7a5<\/td>\n      <td>Can \/ IBC \/ xe b\u1ed3n \u2014 b\u00e1o gi\u00e1 on-request<\/td>\n    <\/tr>\n    <tr>\n      <td>T\u00e0i li\u1ec7u l\u00f4<\/td>\n      <td>COA + MSDS\/SDS<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n<\/figure>\n\n<h2><span class=\"ez-toc-section\" id=\"Loi_ich_kinh_te_cho_doanh_nghiep_khi_thu_hoi_hoac_dung_FeCl2_tai_che\"><\/span>L\u1ee3i \u00edch kinh t\u1ebf cho doanh nghi\u1ec7p khi thu h\u1ed3i ho\u1eb7c d\u00f9ng FeCl2 t\u00e1i ch\u1ebf?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>G\u00f3c thu mua v\u00e0 v\u1eadn h\u00e0nh th\u01b0\u1eddng \u0111o b\u1eb1ng <strong>TCO<\/strong>, kh\u00f4ng ch\u1ec9 \u0111\u01a1n gi\u00e1 th\u00f9ng:<\/p>\n<ul>\n  <li><strong>Gi\u1ea3m chi ph\u00ed acid m\u1edbi v\u00e0 x\u1eed l\u00fd acid th\u1ea3i:<\/strong> acid ng\u00e2m \u201cch\u1ebft\u201d n\u1ebfu ch\u1ec9 trung h\u00f2a\u2013k\u1ebft t\u1ee7a\u2013ch\u00f4n l\u1ea5p s\u1ebd \u0111\u1ed9i chi ph\u00ed ch\u1ea5t th\u1ea3i nguy h\u1ea1i. Thu h\u1ed3i m\u1ed9t ph\u1ea7n Fe\/HCl (khi c\u00f3 d\u00e2y chuy\u1ec1n ph\u00f9 h\u1ee3p) c\u1eaft \u0111\u01b0\u1ee3c c\u1ea3 \u0111\u1ea7u v\u00e0o l\u1eabn \u0111\u1ea7u ra.<\/li>\n  <li><strong>T\u1eadn d\u1ee5ng FeCl\u2083 \/ s\u1eaft ph\u1ebf n\u1ed9i b\u1ed9:<\/strong> ph\u1ea3n \u1ee9ng kh\u1eed 2FeCl\u2083 + Fe \u2192 3FeCl\u2082 gi\u00fap tu\u1ea7n ho\u00e0n s\u1eaft trong nh\u00e0 m\u00e1y thay v\u00ec mua m\u1edbi 100% ho\u1eb7c \u0111\u1ec3 t\u1ed3n kho l\u1ec7ch \u0111\u1eb7c t\u00ednh.<\/li>\n  <li><strong>Ngu\u1ed3n Fe\u00b2\u207a cho XLNT \/ kh\u1eed:<\/strong> khi jar-test ch\u1ec9 \u0111\u1ecbnh s\u1eaft(II) (keo t\u1ee5, h\u1ed7 tr\u1ee3 Fenton, kh\u1eed Cr\u2076\u207a\u2026), FeCl2 \u0111\u00fang % v\u00e0 COA \u1ed5n \u0111\u1ecbnh gi\u00fap gi\u1ea3m \u201cch\u00e2m b\u00f9 m\u00f9\u201d \u2014 chi ph\u00ed \u1ea9n hay n\u1eb1m \u1edf b\u00f9n v\u00e0 ch\u1ea1y l\u1ea1i batch, kh\u00f4ng ch\u1ec9 \u1edf h\u00f3a ch\u1ea5t (xem th\u00eam ch\u1ea9n \u0111o\u00e1n ETP: <a href=\"https:\/\/hoachatlocthien.com\/ko\/he-thong-xu-ly-nuoc-thai-hoa-chat-dung-van-fail\/\">h\u1ec7 th\u1ed1ng \u0111\u00e3 ch\u00e2m h\u00f3a v\u1eabn fail<\/a>).<\/li>\n  <li><strong>H\u1ed3 s\u01a1 ESG \/ kh\u00e1ch FDI:<\/strong> nhi\u1ec1u chu\u1ed7i cung \u1ee9ng h\u1ecfi ngu\u1ed3n g\u1ed1c nguy\u00ean li\u1ec7u v\u00e0 bi\u1ec7n ph\u00e1p gi\u1ea3m ch\u1ea5t th\u1ea3i. C\u00f3 quy tr\u00ecnh thu h\u1ed3i + COA minh b\u1ea1ch d\u1ec5 tr\u1ea3 l\u1eddi audit h\u01a1n l\u1eddi m\u00f4 t\u1ea3 chung \u201c\u0111\u00e3 x\u1eed l\u00fd th\u1ea3i\u201d.<\/li>\n<\/ul>\n<p><strong>Gi\u1edbi h\u1ea1n trung th\u1ef1c:<\/strong> t\u1ef1 t\u00e1i ch\u1ebf ch\u1ec9 c\u00f3 TCO t\u1ed1t khi \u0111\u00e3 c\u00f3 l\u1ecdc, ch\u1ec9nh n\u1ed3ng \u0111\u1ed9, lab n\u1ed9i b\u1ed9 v\u00e0 gi\u1ea5y ph\u00e9p. Nh\u00e0 m\u00e1y nh\u1ecf thi\u1ebfu h\u1ea1 t\u1ea7ng th\u01b0\u1eddng <strong>mua FeCl2 15\u201330% c\u00f3 COA<\/strong> r\u1ebb t\u1ed5ng th\u1ec3 h\u01a1n \u201ct\u1ef1 n\u1ea5u\u201d kh\u00f4ng ki\u1ec3m so\u00e1t \u2014 v\u00ec r\u1ee7i ro l\u00f4 l\u1ec7ch, an to\u00e0n H\u2082\/acid v\u00e0 chi ph\u00ed s\u1ef1 c\u1ed1.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Loi_ich_moi_truong_va_xa_hoi_%E2%80%94_noi_thang_gioi_han\"><\/span>L\u1ee3i \u00edch m\u00f4i tr\u01b0\u1eddng v\u00e0 x\u00e3 h\u1ed9i \u2014 n\u00f3i th\u1eb3ng gi\u1edbi h\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>M\u00f4i tr\u01b0\u1eddng:<\/strong> thu h\u1ed3i mu\u1ed1i s\u1eaft v\u00e0\/ho\u1eb7c acid t\u1eeb spent pickling liquor gi\u1ea3m l\u01b0\u1ee3ng d\u1ecbch acid s\u1eaft b\u1ecb mang \u0111i x\u1eed l\u00fd nh\u01b0 ch\u1ea5t th\u1ea3i nguy h\u1ea1i; tu\u1ea7n ho\u00e0n Fe gi\u1ea3m khai th\u00e1c\/nh\u1eadp mu\u1ed1i s\u1eaft nguy\u00ean kh\u1ed1i cho c\u00f9ng m\u1ed9t l\u01b0\u1ee3ng Fe\u00b2\u207a h\u1eefu \u00edch. \u0110\u00e2y l\u00e0 h\u01b0\u1edbng \u201ccircular\u201d m\u00e0 m\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p coagulant qu\u1ed1c t\u1ebf m\u00f4 t\u1ea3 khi chuy\u1ec3n ph\u1ebf kim lo\u1ea1i\/acid th\u00e0nh h\u00f3a keo t\u1ee5 n\u01b0\u1edbc (v\u00ed d\u1ee5 narrative scrap-to-coagulant trong t\u00e0i li\u1ec7u ng\u00e0nh n\u01b0\u1edbc).<\/p>\n<p><strong>X\u00e3 h\u1ed9i \/ c\u1ed9ng \u0111\u1ed3ng quanh KCN:<\/strong> \u00edt s\u1ef1 c\u1ed1 tr\u00e0n acid\u2013kim lo\u1ea1i h\u01a1n khi d\u00f2ng th\u1ea3i \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd trong quy tr\u00ecnh k\u00edn; gi\u1ea3m m\u00f9i v\u00e0 t\u1ea3i l\u00ean h\u1ec7 th\u1ed1ng x\u1eed l\u00fd t\u1eadp trung n\u1ebfu nh\u00e0 m\u00e1y kh\u00f4ng c\u00f2n \u201cx\u1ea3 t\u1ea1m\u201d acid ch\u1ebft. Ng\u01b0\u1eddi lao \u0111\u1ed9ng v\u1eabn c\u1ea7n PPE \u0111\u1ea7y \u0111\u1ee7 \u2014 t\u00e1i ch\u1ebf kh\u00f4ng l\u00e0m acid b\u1edbt \u0103n m\u00f2n.<\/p>\n<p><strong>Gi\u1edbi h\u1ea1n b\u1eaft bu\u1ed9c n\u00eau:<\/strong><\/p>\n<ul>\n  <li>Kh\u00f4ng claim \u201czero waste\u201d hay \u201c% thu h\u1ed3i c\u1ed1 \u0111\u1ecbnh\u201d n\u1ebfu ch\u01b0a \u0111o tr\u00ean d\u00e2y chuy\u1ec1n th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n.<\/li>\n  <li>FeCl2 t\u00e1i ch\u1ebf <strong>kh\u00f4ng<\/strong> \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 \u0111\u01b0\u1ee3c ph\u00e9p x\u1ea3 ra m\u00f4i tr\u01b0\u1eddng. V\u1eadn chuy\u1ec3n, l\u01b0u ch\u1ee9a h\u00f3a ch\u1ea5t v\u00e0 ch\u1ea5t th\u1ea3i nguy h\u1ea1i ph\u1ea3i theo khung ph\u00e1p l\u00fd Vi\u1ec7t Nam \u00e1p d\u1ee5ng (v\u00ed d\u1ee5 c\u00e1c ngh\u1ecb \u0111\u1ecbnh v\u1ec1 h\u00f3a ch\u1ea5t \/ h\u00e0ng nguy hi\u1ec3m v\u00e0 quy chu\u1ea9n n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p \u2014 \u0111\u1ed1i chi\u1ebfu v\u0103n b\u1ea3n hi\u1ec7n h\u00e0nh t\u1ea1i th\u1eddi \u0111i\u1ec3m v\u1eadn h\u00e0nh).<\/li>\n  <li>T\u1ea1p ch\u1ea5t (kim lo\u1ea1i n\u1eb7ng, d\u1ea7u, anion l\u1ea1) n\u1ebfu kh\u00f4ng lo\u1ea1i \u0111\u1ee7 c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng b\u1ec3 XLNT ho\u1eb7c tr\u01b0\u1ee3t ch\u1ec9 ti\u00eau c\u1eeda ra \u2014 h\u1ea1i m\u00f4i tr\u01b0\u1eddng h\u01a1n l\u00e0 l\u1ee3i.<\/li>\n<\/ul>\n\n<h2><span class=\"ez-toc-section\" id=\"Rui_ro_tap_chat_va_checklist_QC_truoc_khi_dung\"><\/span>R\u1ee7i ro t\u1ea1p ch\u1ea5t v\u00e0 checklist QC tr\u01b0\u1edbc khi d\u00f9ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ba nh\u00f3m r\u1ee7i ro hay g\u1eb7p khi nguy\u00ean li\u1ec7u l\u00e0 ph\u1ebf\/acid ng\u00e2m:<\/p>\n<ol>\n  <li><strong>Bi\u1ebfn thi\u00ean % FeCl\u2082 v\u00e0 t\u1ef7 l\u1ec7 Fe\u00b2\u207a\/Fe\u00b3\u207a<\/strong> \u2014 h\u1edf b\u1ed3n, oxy kh\u00f4ng kh\u00ed oxy h\u00f3a Fe\u00b2\u207a (h\u01b0\u1edbng 4FeCl\u2082 + O\u2082 + 4HCl \u2192 4FeCl\u2083 + 2H\u2082O). Dung d\u1ecbch s\u1eabm, l\u1ef1c kh\u1eed t\u1ee5t.<\/li>\n  <li><strong>Kim lo\u1ea1i n\u1eb7ng \/ ion l\u1ea1<\/strong> t\u1eeb th\u00e9p h\u1ee3p kim, m\u1ea1, h\u00e0n \u2014 \u1ea3nh h\u01b0\u1edfng keo t\u1ee5 v\u00e0 gi\u1edbi h\u1ea1n x\u1ea3.<\/li>\n  <li><strong>D\u1ea7u, s\u01a1n, ch\u1ea5t h\u1eefu c\u01a1<\/strong> t\u1eeb phoi b\u1ea9n \u2014 t\u1ea1o nh\u0169, b\u00f4ng k\u00e9m, COD ph\u1ee5.<\/li>\n<\/ol>\n<figure class=\"wp-block-table\">\n<table>\n  <thead>\n    <tr>\n      <th>H\u1ea1ng m\u1ee5c QC<\/th>\n      <th>V\u00ec sao c\u1ea7n<\/th>\n      <th>G\u1ee3i \u00fd thao t\u00e1c<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>% Fe t\u1ed5ng \/ Fe\u00b2\u207a<\/td>\n      <td>Li\u1ec1u keo t\u1ee5\u2013kh\u1eed<\/td>\n      <td>Ph\u00e2n t\u00edch lab ho\u1eb7c COA l\u00f4 nh\u00e0 cung c\u1ea5p<\/td>\n    <\/tr>\n    <tr>\n      <td>T\u1ef7 tr\u1ecdng \/ m\u00e0u<\/td>\n      <td>Ph\u00e1t hi\u1ec7n oxy h\u00f3a, pha lo\u00e3ng l\u1ea1<\/td>\n      <td>\u0110\u1ed1i chi\u1ebfu m\u1eabu chu\u1ea9n n\u1ed9i b\u1ed9<\/td>\n    <\/tr>\n    <tr>\n      <td>Kim lo\u1ea1i n\u1eb7ng (theo y\u00eau c\u1ea7u ng\u00e0nh)<\/td>\n      <td>QCVN \/ kh\u00e1ch FDI<\/td>\n      <td>Ch\u1ec9 ti\u00eau theo h\u1ee3p \u0111\u1ed3ng COA<\/td>\n    <\/tr>\n    <tr>\n      <td>D\u1ea7u \/ c\u1eb7n l\u01a1 l\u1eedng<\/td>\n      <td>B\u00f4ng v\u00e0 b\u01a1m<\/td>\n      <td>L\u1ecdc, l\u1eafng tr\u01b0\u1edbc \u0111\u01b0a v\u00e0o b\u1ec3 ch\u00e2m<\/td>\n    <\/tr>\n    <tr>\n      <td>pH \/ acid d\u01b0<\/td>\n      <td>C\u1eeda s\u1ed5 keo t\u1ee5, \u0103n m\u00f2n<\/td>\n      <td>\u0110o tr\u01b0\u1edbc khi ph\u1ed1i tr\u1ed9n l\u1edbn<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n<\/figure>\n<p>B\u00e0i h\u1ecdc v\u1eadn h\u00e0nh: <strong>m\u1ed9t l\u00f4 \u201cr\u1ebb\u201d kh\u00f4ng COA<\/strong> c\u00f3 th\u1ec3 \u0111\u1ea9y chi ph\u00ed b\u00f9n v\u00e0 ch\u1ea1y l\u1ea1i batch cao h\u01a1n ch\u00eanh l\u1ec7ch gi\u00e1 mua. L\u1ed9c Thi\u00ean cung c\u1ea5p FeCl2 theo l\u00f4 k\u00e8m COA\/MSDS \u2014 kh\u00f4ng b\u00e1n l\u1ebb gi\u1ecf h\u00e0ng.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Khi_nao_nen_mua_FeCl2_15%E2%80%9330_thay_vi_tu_tai_che\"><\/span>Khi n\u00e0o n\u00ean mua FeCl2 15\u201330% thay v\u00ec t\u1ef1 t\u00e1i ch\u1ebf?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u00ean <strong>mua FeCl2 c\u00f4ng nghi\u1ec7p c\u00f3 COA<\/strong> khi:<\/p>\n<ul>\n  <li>Kh\u00f4ng c\u00f3 (ho\u1eb7c kh\u00f4ng \u0111\u1ee7) d\u00e2y chuy\u1ec1n l\u1ecdc\u2013ch\u1ec9nh %\u2013x\u1eed l\u00fd kh\u00ed H\u2082\/acid an to\u00e0n.<\/li>\n  <li>Nhu c\u1ea7u XLNT\/kh\u1eed c\u1ea7n % \u1ed5n \u0111\u1ecbnh theo tu\u1ea7n, kh\u00f4ng ch\u1ecbu n\u1ed5i bi\u1ebfn thi\u00ean l\u00f4 ph\u1ebf.<\/li>\n  <li>Audit kh\u00e1ch y\u00eau c\u1ea7u truy xu\u1ea5t ngu\u1ed3n v\u00e0 ch\u1ec9 ti\u00eau kim lo\u1ea1i n\u1eb7ng r\u00f5 tr\u00ean COA.<\/li>\n  <li>Chi ph\u00ed s\u1ef1 c\u1ed1 (tr\u00e0n, b\u1ecfng, tr\u01b0\u1ee3t QCVN) l\u1edbn h\u01a1n ch\u00eanh l\u1ec7ch \u201ct\u1ef1 n\u1ea5u\u201d.<\/li>\n<\/ul>\n<p>N\u00ean <strong>gi\u1eef ho\u1eb7c \u0111\u1ea7u t\u01b0 thu h\u1ed3i<\/strong> khi nh\u00e0 m\u00e1y th\u00e9p\/m\u1ea1 c\u00f3 l\u01b0u l\u01b0\u1ee3ng acid ng\u00e2m l\u1edbn, \u0111\u00e3 c\u00f3 t\u01b0 v\u1ea5n m\u00f4i tr\u01b0\u1eddng\u2013h\u00f3a ch\u1ea5t, v\u00e0 TCO 12\u201324 th\u00e1ng cho th\u1ea5y ho\u00e0n v\u1ed1n \u2014 v\u1eabn c\u00f3 th\u1ec3 mua FeCl2 b\u1ed5 sung khi cao \u0111i\u1ec3m.<\/p>\n<p>RFQ FeCl2 15\u201330% (can\/IBC\/b\u1ed3n), giao KCN: trang s\u1ea3n ph\u1ea9m FeCl2 s\u1eaft II clorua tr\u00ean L\u1ed9c Thi\u00ean \u00b7 hotline <strong>0979 891 929<\/strong> (link mua \u1edf cu\u1ed1i b\u00e0i).<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"FeCl2_tai_che_dung_XLNT_khac_FeCl3_va_PAC_the_nao\"><\/span>FeCl2 t\u00e1i ch\u1ebf d\u00f9ng XLNT kh\u00e1c FeCl3 v\u00e0 PAC th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>FeCl2 mang <strong>Fe\u00b2\u207a<\/strong> \u2014 h\u1ee3p khi c\u1ea7n t\u00ednh kh\u1eed (Cr\u2076\u207a, h\u1ed7 tr\u1ee3 m\u1ed9t s\u1ed1 chu\u1ed7i Fenton\/AOP) ho\u1eb7c keo t\u1ee5 theo jar-test ch\u1ec9 \u0111\u1ecbnh s\u1eaft(II). FeCl3 mang <strong>Fe\u00b3\u207a<\/strong>, keo t\u1ee5 m\u1ea1nh \u1edf nhi\u1ec1u ngu\u1ed3n th\u1ea3i kh\u00e1c; PAC (poly aluminium chloride) l\u00e0 keo t\u1ee5 nh\u00f4m, ph\u1ed5 bi\u1ebfn gi\u1ea3m \u0111\u1ee5c\/m\u00e0u. <strong>Kh\u00f4ng thay 1:1<\/strong> theo t\u00ean g\u1ecdi \u2014 lu\u00f4n jar-test tr\u00ean n\u01b0\u1edbc th\u1eadt. B\u1ea3ng so nhanh v\u00e0 link s\u1ea3n ph\u1ea9m n\u1eb1m \u1edf hub s\u1eaft clorua v\u00e0 trang s\u1ea3n ph\u1ea9m FeCl2.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"An_toan_khi_lam_viec_voi_dong_tai_che_FeCl2_acid_ngam\"><\/span>An to\u00e0n khi l\u00e0m vi\u1ec7c v\u1edbi d\u00f2ng t\u00e1i ch\u1ebf FeCl2 \/ acid ng\u00e2m<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Acid clohydric v\u00e0 mu\u1ed1i s\u1eaft \u0103n m\u00f2n da, m\u1eaft, \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p; ph\u1ea3n \u1ee9ng v\u1edbi s\u1eaft sinh H\u2082 \u2014 nguy c\u01a1 ch\u00e1y n\u1ed5 n\u1ebfu t\u1ee5 hydro. PPE t\u1ed1i thi\u1ec3u: k\u00ednh, g\u0103ng ch\u1ed1ng acid, t\u1ea1p d\u1ec1, th\u00f4ng gi\u00f3\/t\u1ee7 h\u00fat khi thao t\u00e1c lab; b\u1ed3n CN ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p, n\u1eafp k\u00edn gi\u1ea3m oxy h\u00f3a v\u00e0 b\u1ed1c h\u01a1i. S\u1ef1 c\u1ed1 tr\u00e0n: trung h\u00f2a\u2013th\u1ea5m theo MSDS, <strong>kh\u00f4ng<\/strong> x\u1ea3 th\u1eb3ng c\u1ed1ng c\u00f4ng c\u1ed9ng. \u0110\u00e2y l\u00e0 t\u00f3m t\u1eaft \u0111\u1ecbnh h\u01b0\u1edbng \u2014 SOP chi ti\u1ebft thu\u1ed9c nh\u00e0 m\u00e1y v\u00e0 \u0111\u01a1n v\u1ecb t\u01b0 v\u1ea5n an to\u00e0n.<\/p>\n\n<div class=\"cta-box\" style=\"border:1px solid #ddd;padding:1rem;margin:1.5rem 0\">\n  <p><strong>C\u1ea7n FeCl2 \u1ed5n \u0111\u1ecbnh theo l\u00f4 cho KCN?<\/strong> L\u1ed9c Thi\u00ean cung c\u1ea5p FeCl2 (ferrous chloride) 15\u201330%, CAS 7758-94-3, b\u00e1o gi\u00e1 B2B on-request k\u00e8m COA\/MSDS. Kh\u00f4ng b\u00e1n l\u1ebb qua gi\u1ecf h\u00e0ng.<\/p>\n  <p>\u2192 <a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/fecl2-sat-ii-clorua\/\">Xem FeCl2 s\u1eaft II clorua<\/a> \u00b7 Hotline <strong>0979 891 929<\/strong><\/p>\n<\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap_ve_FeCl2_tai_che\"><\/span>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 FeCl2 t\u00e1i ch\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<h3><span class=\"ez-toc-section\" id=\"FeCl2_tai_che_la_gi\"><\/span>FeCl2 t\u00e1i ch\u1ebf l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u00e0 s\u1eaft(II) clorua (CAS 7758-94-3) thu t\u1eeb d\u00f2ng ph\u1ee5\/ph\u1ebf (acid ng\u00e2m th\u00e9p, s\u1eaft ph\u1ebf + HCl, kh\u1eed FeCl\u2083 d\u01b0), sau l\u1ecdc v\u00e0 ch\u1ec9nh n\u1ed3ng \u0111\u1ed9 \u0111\u1ec3 d\u00f9ng c\u00f4ng nghi\u1ec7p \u2014 kh\u00e1c m\u1eabu lab \u201cs\u1ea1ch\u201d ch\u1ee7 y\u1ebfu \u1edf ngu\u1ed3n v\u00e0 t\u1ea1p ch\u1ea5t.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"FeCl2_tai_che_co_phai_chat_khac_FeCl2_mua_san_khong\"><\/span>FeCl2 t\u00e1i ch\u1ebf c\u00f3 ph\u1ea3i ch\u1ea5t kh\u00e1c FeCl2 mua s\u1eb5n kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f9ng entity h\u00f3a h\u1ecdc FeCl\u2082 \/ ferrous chloride. Kh\u00e1c bi\u1ec7t n\u1eb1m \u1edf h\u1ed3 s\u01a1 l\u00f4 (%, Fe\u00b2\u207a\/Fe\u00b3\u207a, t\u1ea1p). Mua B2B c\u1ea7n COA t\u1eebng l\u00f4, kh\u00f4ng suy t\u1eeb t\u00ean g\u1ecdi.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"Tu_tai_che_acid_ngam_co_duoc_xa_ra_moi_truong_khong\"><\/span>T\u1ef1 t\u00e1i ch\u1ebf acid ng\u00e2m c\u00f3 \u0111\u01b0\u1ee3c x\u1ea3 ra m\u00f4i tr\u01b0\u1eddng kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u00f4ng. T\u00e1i ch\u1ebf l\u00e0 thu h\u1ed3i\/ch\u1ebf bi\u1ebfn trong quy tr\u00ecnh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. X\u1ea3 th\u1ea3i ph\u1ea3i \u0111\u1ea1t quy chu\u1ea9n v\u00e0 \u0111\u00fang gi\u1ea5y ph\u00e9p \u2014 kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u1edbi \u201c\u0111\u00e3 t\u00e1i ch\u1ebf\u201d.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"Phuong_trinh_khu_FeCl3_thanh_FeCl2\"><\/span>Ph\u01b0\u01a1ng tr\u00ecnh kh\u1eed FeCl3 th\u00e0nh FeCl2?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u01b0\u1edbng ph\u1ed5 bi\u1ebfn: 2FeCl\u2083 + Fe \u2192 3FeCl\u2082, r\u1ed3i l\u1ecdc v\u00e0 ch\u1ec9nh %. B\u1ea3o qu\u1ea3n k\u00edn \u0111\u1ec3 h\u1ea1n ch\u1ebf t\u00e1i oxy h\u00f3a.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"CAS_cua_FeCl2_la_so_nao\"><\/span>CAS c\u1ee7a FeCl2 l\u00e0 s\u1ed1 n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>CAS 7758-94-3 (PubChem). FeCl3 l\u1ecfng c\u00f4ng nghi\u1ec7p d\u00f9ng CAS 7705-08-0 \u2014 kh\u00f4ng nh\u1ea7m khi ghi COA\/MSDS.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"MOQ_va_giao_FeCl2_tai_Loc_Thien_the_nao\"><\/span>MOQ v\u00e0 giao FeCl2 t\u1ea1i L\u1ed9c Thi\u00ean th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u00e1o gi\u00e1 s\u1ec9 theo l\u00f4 (can\/IBC\/b\u1ed3n), giao KCN theo th\u1ecfa thu\u1eadn. G\u1ecdi 0979 891 929 ho\u1eb7c \u0111\u1ec3 l\u1ea1i nhu c\u1ea7u % v\u00e0 \u0111\u1ecba \u0111i\u1ec3m nh\u1eadn \u2014 kh\u00f4ng ni\u00eam y\u1ebft gi\u00e1 l\u1ebb c\u00f4ng khai.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"Co_ho_tro_jar-test_khi_chuyen_sang_FeCl2_khong\"><\/span>C\u00f3 h\u1ed7 tr\u1ee3 jar-test khi chuy\u1ec3n sang FeCl2 kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 \u0111\u1ecbnh h\u01b0\u1edbng k\u1ef9 thu\u1eadt v\u00e0 m\u1eabu theo th\u1ecfa thu\u1eadn B2B; li\u1ec1u cu\u1ed1i c\u00f9ng do lab nh\u00e0 m\u00e1y ch\u1ed1t tr\u00ean n\u01b0\u1edbc th\u1ea3i th\u1ef1c t\u1ebf.<\/p>\n\n<p><em>B\u00e0i vi\u1ebft cung c\u1ea5p th\u00f4ng tin k\u1ef9 thu\u1eadt\u2013thu mua \u0111\u1ecbnh h\u01b0\u1edbng, kh\u00f4ng thay SOP nh\u00e0 m\u00e1y, kh\u00f4ng thay t\u01b0 v\u1ea5n ph\u00e1p l\u00fd m\u00f4i tr\u01b0\u1eddng. Th\u00f4ng s\u1ed1 l\u00f4 l\u1ea5y theo COA th\u1ef1c t\u1ebf.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>FeCl2 t\u00e1i ch\u1ebf l\u00e0 s\u1eaft(II) clorua (ferrous chloride, CAS 7758-94-3) thu t\u1eeb d\u00f2ng ph\u1ee5\/ph\u1ebf \u2014 acid ng\u00e2m th\u00e9p (spent pickling liquor), s\u1eaft ph\u1ebf + HCl, ho\u1eb7c kh\u1eed FeCl\u2083 d\u01b0 \u2014 sau l\u1ecdc, ch\u1ec9nh n\u1ed3ng \u0111\u1ed9 v\u00e0 ki\u1ec3m t\u1ea1p. Doanh nghi\u1ec7p gi\u1ea3m g\u00e1nh acid\/ph\u1ebf s\u1eaft; m\u00f4i tr\u01b0\u1eddng gi\u1ea3m x\u1ea3 kim lo\u1ea1i \u2014 nh\u01b0ng kh\u00f4ng \u0111\u1ed3ng ngh\u0129a [&#8230;]\n","protected":false},"author":6,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1234,16],"tags":[],"class_list":["post-9429","post","type-post","status-publish","format-standard","hentry","category-hoa-chat-xu-ly-nuoc","category-tin-tuc"],"acf":[],"rank_math_title":"FeCl2 t\u00e1i ch\u1ebf l\u00e0 g\u00ec? L\u1ee3i \u00edch DN & m\u00f4i tr\u01b0\u1eddng | L\u1ed9c Thi\u00ean","rank_math_description":"FeCl2 t\u00e1i ch\u1ebf (ferrous chloride CAS 7758-94-3) t\u1eeb acid ng\u00e2m th\u00e9p, s\u1eaft ph\u1ebf + HCl ho\u1eb7c kh\u1eed FeCl3 d\u01b0. L\u1ee3i \u00edch TCO\u2013ESG; khi n\u00e0o mua FeCl2 15\u201330% B2B. Hotline 0979 891 929.","rank_math_focus_keyword":"FeCl2 t\u00e1i ch\u1ebf","_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/posts\/9429","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/comments?post=9429"}],"version-history":[{"count":0,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/posts\/9429\/revisions"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/media?parent=9429"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/categories?post=9429"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/tags?post=9429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}