{"id":9341,"date":"2026-07-11T15:56:39","date_gmt":"2026-07-11T08:56:39","guid":{"rendered":"https:\/\/hoachatlocthien.com\/?p=9341"},"modified":"2026-07-11T16:15:26","modified_gmt":"2026-07-11T09:15:26","slug":"pac-xu-ly-nuoc-thai-det-nhuom-binh-duong","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong","title":{"rendered":"Case Study: T\u1ed1i \u01afu H\u00f3a Ch\u1ea5t X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i Nh\u00e0 M\u00e1y D\u1ec7t Nhu\u1ed9m 800 m\u00b3\/ng\u00e0y t\u1ea1i B\u00ecnh D\u01b0\u01a1ng"},"content":{"rendered":"<blockquote>\n<p><strong>T\u00f3m t\u1eaft:<\/strong> H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean tri\u1ec3n khai gi\u1ea3i ph\u00e1p <a href=\"https:\/\/hoachatlocthien.com\/san-pham\/pac\/\">PAC (Poly Aluminium Chloride)<\/a> cho nh\u00e0 m\u00e1y d\u1ec7t nhu\u1ed9m t\u1ea1i B\u00ecnh D\u01b0\u01a1ng, x\u1eed l\u00fd 800 m\u00b3 n\u01b0\u1edbc th\u1ea3i m\u1ed7i ng\u00e0y v\u1edbi k\u1ebft qu\u1ea3 COD gi\u1ea3m ~85%, \u0111\u1ea1t chu\u1ea9n x\u1ea3 th\u1ea3i QCVN 13:2015\/BTNMT c\u1ed9t B. D\u1eef li\u1ec7u d\u1ef1a tr\u00ean jar test th\u1ef1c t\u1ebf t\u1eeb h\u01a1n 50 l\u00f4 s\u1ea3n xu\u1ea5t (2025\u20132026) \u2014 L\u1ed9c Thi\u00ean \u0111\u00e3 ph\u1ee5c v\u1ee5 h\u01a1n 200 nh\u00e0 m\u00e1y khu c\u00f4ng nghi\u1ec7p t\u1ea1i mi\u1ec1n Nam Vi\u1ec7t Nam.<\/p>\n<\/blockquote>\n<hr>\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\">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\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#%F0%9F%93%8A_Tom_Tat_Ket_Qua_%E2%80%94_Snapshot_Ky_Thuat\" title=\"\ud83d\udcca T\u00f3m T\u1eaft K\u1ebft Qu\u1ea3 \u2014 Snapshot K\u1ef9 Thu\u1eadt\">\ud83d\udcca T\u00f3m T\u1eaft K\u1ebft Qu\u1ea3 \u2014 Snapshot K\u1ef9 Thu\u1eadt<\/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\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#1_Boi_Canh_Thach_Thuc_%E2%80%94_Nuoc_Thai_Det_Nhuom_Bai_Toan_Kho_Nhat_Trong_Xu_Ly_Moi_Truong_Cong_Nghiep\" title=\"1. B\u1ed1i C\u1ea3nh &#038; Th\u00e1ch Th\u1ee9c \u2014 N\u01b0\u1edbc Th\u1ea3i D\u1ec7t Nhu\u1ed9m: B\u00e0i To\u00e1n Kh\u00f3 Nh\u1ea5t Trong X\u1eed L\u00fd M\u00f4i Tr\u01b0\u1eddng C\u00f4ng Nghi\u1ec7p\">1. B\u1ed1i C\u1ea3nh &#038; Th\u00e1ch Th\u1ee9c \u2014 N\u01b0\u1edbc Th\u1ea3i D\u1ec7t Nhu\u1ed9m: B\u00e0i To\u00e1n Kh\u00f3 Nh\u1ea5t Trong X\u1eed L\u00fd M\u00f4i Tr\u01b0\u1eddng 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-3\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#11_Dac_trung_o_nhiem_nuoc_thai_det_nhuom\" title=\"1.1 \u0110\u1eb7c tr\u01b0ng \u00f4 nhi\u1ec5m n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m\">1.1 \u0110\u1eb7c tr\u01b0ng \u00f4 nhi\u1ec5m n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m<\/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\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#12_Yeu_cau_tuan_thu_phap_luat\" title=\"1.2 Y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 ph\u00e1p lu\u1eadt\">1.2 Y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 ph\u00e1p lu\u1eadt<\/a><\/li><\/ul><\/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\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#2_Quy_Trinh_Lua_Chon_Hoa_Chat_%E2%80%94_Jar_Test_La_Nen_Tang_Quyet_Dinh\" title=\"2. Quy Tr\u00ecnh L\u1ef1a Ch\u1ecdn H\u00f3a Ch\u1ea5t \u2014 Jar Test L\u00e0 N\u1ec1n T\u1ea3ng Quy\u1ebft \u0110\u1ecbnh\">2. Quy Tr\u00ecnh L\u1ef1a Ch\u1ecdn H\u00f3a Ch\u1ea5t \u2014 Jar Test L\u00e0 N\u1ec1n T\u1ea3ng Quy\u1ebft \u0110\u1ecbnh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#21_Phuong_phap_jar_test\" title=\"2.1 Ph\u01b0\u01a1ng ph\u00e1p jar test\">2.1 Ph\u01b0\u01a1ng ph\u00e1p jar test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#22_Ket_qua_so_sanh_coagulant\" title=\"2.2 K\u1ebft qu\u1ea3 so s\u00e1nh coagulant\">2.2 K\u1ebft qu\u1ea3 so s\u00e1nh coagulant<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#23_Ly_do_PAC_Loc_Thien_duoc_lua_chon\" title=\"2.3 L\u00fd do PAC L\u1ed9c Thi\u00ean \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn\">2.3 L\u00fd do PAC L\u1ed9c Thi\u00ean \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn<\/a><\/li><\/ul><\/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\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#3_Ket_Qua_Thuc_Te_%E2%80%94_So_Lieu_TruocSau_Xu_Ly\" title=\"3. K\u1ebft Qu\u1ea3 Th\u1ef1c T\u1ebf \u2014 S\u1ed1 Li\u1ec7u Tr\u01b0\u1edbc\/Sau X\u1eed L\u00fd\">3. K\u1ebft Qu\u1ea3 Th\u1ef1c T\u1ebf \u2014 S\u1ed1 Li\u1ec7u Tr\u01b0\u1edbc\/Sau X\u1eed L\u00fd<\/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\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#31_Bang_so_sanh_chat_luong_nuoc_thai_truocsau_keo_tu-tao_bong\" title=\"3.1 B\u1ea3ng so s\u00e1nh ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea3i tr\u01b0\u1edbc\/sau keo t\u1ee5-t\u1ea1o b\u00f4ng\">3.1 B\u1ea3ng so s\u00e1nh ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea3i tr\u01b0\u1edbc\/sau keo t\u1ee5-t\u1ea1o b\u00f4ng<\/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\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#32_Chi_phi_hoa_chat_uoc_tinh\" title=\"3.2 Chi ph\u00ed h\u00f3a ch\u1ea5t \u01b0\u1edbc t\u00ednh\">3.2 Chi ph\u00ed h\u00f3a ch\u1ea5t \u01b0\u1edbc t\u00ednh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#4_Phan_Tich_Ky_Thuat_%E2%80%94_Tai_Sao_PAC_Hieu_Qua_Voi_Nuoc_Thai_Det_Nhuom\" title=\"4. Ph\u00e2n T\u00edch K\u1ef9 Thu\u1eadt \u2014 T\u1ea1i Sao PAC Hi\u1ec7u Qu\u1ea3 V\u1edbi N\u01b0\u1edbc Th\u1ea3i D\u1ec7t Nhu\u1ed9m?\">4. Ph\u00e2n T\u00edch K\u1ef9 Thu\u1eadt \u2014 T\u1ea1i Sao PAC Hi\u1ec7u Qu\u1ea3 V\u1edbi N\u01b0\u1edbc Th\u1ea3i D\u1ec7t Nhu\u1ed9m?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#41_Co_che_keo_tu_cua_PAC\" title=\"4.1 C\u01a1 ch\u1ebf keo t\u1ee5 c\u1ee7a PAC\">4.1 C\u01a1 ch\u1ebf keo t\u1ee5 c\u1ee7a PAC<\/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\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#42_Tai_sao_PAC_uu_viet_hon_trong_nuoc_thai_det\" title=\"4.2 T\u1ea1i sao PAC \u01b0u vi\u1ec7t h\u01a1n trong n\u01b0\u1edbc th\u1ea3i d\u1ec7t\">4.2 T\u1ea1i sao PAC \u01b0u vi\u1ec7t h\u01a1n trong n\u01b0\u1edbc th\u1ea3i d\u1ec7t<\/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\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#43_Dieu_kien_van_hanh_toi_uu_duoc_xac_lap\" title=\"4.3 \u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh t\u1ed1i \u01b0u \u0111\u01b0\u1ee3c x\u00e1c l\u1eadp\">4.3 \u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh t\u1ed1i \u01b0u \u0111\u01b0\u1ee3c x\u00e1c l\u1eadp<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#5_Bai_Hoc_Rut_Ra_Khuyen_Nghi_Cho_Nha_May_Det_Nhuom_Tuong_Tu\" title=\"5. B\u00e0i H\u1ecdc R\u00fat Ra &#038; Khuy\u1ebfn Ngh\u1ecb Cho Nh\u00e0 M\u00e1y D\u1ec7t Nhu\u1ed9m T\u01b0\u01a1ng T\u1ef1\">5. B\u00e0i H\u1ecdc R\u00fat Ra &#038; Khuy\u1ebfn Ngh\u1ecb Cho Nh\u00e0 M\u00e1y D\u1ec7t Nhu\u1ed9m T\u01b0\u01a1ng T\u1ef1<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#51_Dinh_lieu_dong_Dynamic_Dosing_%E2%80%94_Khong_Nen_Dung_Lieu_Co_Dinh\" title=\"5.1 \u0110\u1ecbnh li\u1ec1u \u0111\u1ed9ng (Dynamic Dosing) \u2014 Kh\u00f4ng N\u00ean D\u00f9ng Li\u1ec1u C\u1ed1 \u0110\u1ecbnh\">5.1 \u0110\u1ecbnh li\u1ec1u \u0111\u1ed9ng (Dynamic Dosing) \u2014 Kh\u00f4ng N\u00ean D\u00f9ng Li\u1ec1u C\u1ed1 \u0110\u1ecbnh<\/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\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#52_Kiem_Soat_pH_Truoc_Keo_Tu_%E2%80%94_Buoc_Khong_The_Bo_Qua\" title=\"5.2 Ki\u1ec3m So\u00e1t pH Tr\u01b0\u1edbc Keo T\u1ee5 \u2014 B\u01b0\u1edbc Kh\u00f4ng Th\u1ec3 B\u1ecf Qua\">5.2 Ki\u1ec3m So\u00e1t pH Tr\u01b0\u1edbc Keo T\u1ee5 \u2014 B\u01b0\u1edbc Kh\u00f4ng Th\u1ec3 B\u1ecf Qua<\/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\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#53_Jar_Test_Dinh_Ky_%E2%80%94_It_Nhat_1_LanThang\" title=\"5.3 Jar Test \u0110\u1ecbnh K\u1ef3 \u2014 \u00cdt Nh\u1ea5t 1 L\u1ea7n\/Th\u00e1ng\">5.3 Jar Test \u0110\u1ecbnh K\u1ef3 \u2014 \u00cdt Nh\u1ea5t 1 L\u1ea7n\/Th\u00e1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#54_Ket_Hop_Polymer_Tro_Lang_Dung_Cach\" title=\"5.4 K\u1ebft H\u1ee3p Polymer Tr\u1ee3 L\u1eafng \u0110\u00fang C\u00e1ch\">5.4 K\u1ebft H\u1ee3p Polymer Tr\u1ee3 L\u1eafng \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-21\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#55_Theo_Doi_Chat_Luong_PAC_Tung_Lo\" title=\"5.5 Theo D\u00f5i Ch\u1ea5t L\u01b0\u1ee3ng PAC T\u1eebng L\u00f4\">5.5 Theo D\u00f5i Ch\u1ea5t L\u01b0\u1ee3ng PAC T\u1eebng L\u00f4<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#6_FAQ_%E2%80%94_Cau_Hoi_Thuong_Gap\" title=\"6. FAQ \u2014 C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p\">6. FAQ \u2014 C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#Cau_hoi_1_Lieu_luong_PAC_bao_nhieu_la_phu_hop_cho_nuoc_thai_det_nhuom\" title=\"C\u00e2u h\u1ecfi 1: Li\u1ec1u l\u01b0\u1ee3ng PAC bao nhi\u00eau l\u00e0 ph\u00f9 h\u1ee3p cho n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m?\">C\u00e2u h\u1ecfi 1: Li\u1ec1u l\u01b0\u1ee3ng PAC bao nhi\u00eau l\u00e0 ph\u00f9 h\u1ee3p cho n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m?<\/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\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#Cau_hoi_2_PAC_hay_FeCl%E2%82%83_phu_hop_hon_cho_xu_ly_nuoc_thai_det_nhuom\" title=\"C\u00e2u h\u1ecfi 2: PAC hay FeCl\u2083 ph\u00f9 h\u1ee3p h\u01a1n cho x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m?\">C\u00e2u h\u1ecfi 2: PAC hay FeCl\u2083 ph\u00f9 h\u1ee3p h\u01a1n cho x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m?<\/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\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#Cau_hoi_3_Loc_Thien_co_ho_tro_jar_test_khong_va_dich_vu_nay_tinh_phi_khong\" title=\"C\u00e2u h\u1ecfi 3: L\u1ed9c Thi\u00ean c\u00f3 h\u1ed7 tr\u1ee3 jar test kh\u00f4ng, v\u00e0 d\u1ecbch v\u1ee5 n\u00e0y t\u00ednh ph\u00ed kh\u00f4ng?\">C\u00e2u h\u1ecfi 3: L\u1ed9c Thi\u00ean c\u00f3 h\u1ed7 tr\u1ee3 jar test kh\u00f4ng, v\u00e0 d\u1ecbch v\u1ee5 n\u00e0y t\u00ednh ph\u00ed kh\u00f4ng?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/hoachatlocthien.com\/en\/pac-xu-ly-nuoc-thai-det-nhuom-binh-duong\/#7_Lien_He_Tu_Van_Ky_Thuat_Mien_Phi\" title=\"7. Li\u00ean H\u1ec7 T\u01b0 V\u1ea5n K\u1ef9 Thu\u1eadt Mi\u1ec5n Ph\u00ed\">7. Li\u00ean H\u1ec7 T\u01b0 V\u1ea5n K\u1ef9 Thu\u1eadt Mi\u1ec5n Ph\u00ed<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%F0%9F%93%8A_Tom_Tat_Ket_Qua_%E2%80%94_Snapshot_Ky_Thuat\"><\/span>\ud83d\udcca T\u00f3m T\u1eaft K\u1ebft Qu\u1ea3 \u2014 Snapshot K\u1ef9 Thu\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<thead>\n<tr>\n<th>Ch\u1ec9 ti\u00eau<\/th>\n<th>Th\u00f4ng s\u1ed1<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>C\u00f4ng su\u1ea5t x\u1eed l\u00fd<\/strong><\/td>\n<td>800 m\u00b3\/ng\u00e0y<\/td>\n<\/tr>\n<tr>\n<td><strong>COD reduction<\/strong><\/td>\n<td>~85% (t\u1eeb n\u01b0\u1edbc th\u1ea3i th\u00f4 \u2192 sau keo t\u1ee5-t\u1ea1o b\u00f4ng)<\/td>\n<\/tr>\n<tr>\n<td><strong>Ti\u00eau chu\u1ea9n \u0111\u1ea1t \u0111\u01b0\u1ee3c<\/strong><\/td>\n<td>QCVN 13:2015\/BTNMT \u2014 C\u1ed9t B (n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m)<\/td>\n<\/tr>\n<tr>\n<td><strong>H\u00f3a ch\u1ea5t ch\u00ednh<\/strong><\/td>\n<td>PAC (Poly Aluminium Chloride) do L\u1ed9c Thi\u00ean cung c\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td><strong>Li\u1ec1u d\u00f9ng PAC t\u1ed1i \u01b0u<\/strong><\/td>\n<td>80\u2013120 mg\/L (t\u00f9y t\u1ea3i l\u01b0\u1ee3ng COD \u0111\u1ea7u v\u00e0o theo ca s\u1ea3n xu\u1ea5t)<\/td>\n<\/tr>\n<tr>\n<td><strong>pH keo t\u1ee5 t\u1ed1i \u01b0u<\/strong><\/td>\n<td>6,5 \u2013 7,5<\/td>\n<\/tr>\n<tr>\n<td><strong>T\u1ed5ng c\u00f4ng su\u1ea5t L\u1ed9c Thi\u00ean<\/strong><\/td>\n<td>50.000 m\u00b3\/ng\u00e0y (tham chi\u1ebfu n\u0103ng l\u1ef1c cung \u1ee9ng)<\/td>\n<\/tr>\n<tr>\n<td><strong>Jar test th\u1ef1c t\u1ebf<\/strong><\/td>\n<td>>50 l\u00f4 s\u1ea3n ph\u1ea9m (2025\u20132026)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<h2><span class=\"ez-toc-section\" id=\"1_Boi_Canh_Thach_Thuc_%E2%80%94_Nuoc_Thai_Det_Nhuom_Bai_Toan_Kho_Nhat_Trong_Xu_Ly_Moi_Truong_Cong_Nghiep\"><\/span>1. B\u1ed1i C\u1ea3nh &#038; Th\u00e1ch Th\u1ee9c \u2014 N\u01b0\u1edbc Th\u1ea3i D\u1ec7t Nhu\u1ed9m: B\u00e0i To\u00e1n Kh\u00f3 Nh\u1ea5t Trong X\u1eed L\u00fd M\u00f4i Tr\u01b0\u1eddng C\u00f4ng Nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u01b0\u1edbc th\u1ea3i ng\u00e0nh d\u1ec7t nhu\u1ed9m \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o nh\u00f3m <strong>ph\u1ee9c t\u1ea1p b\u1eadc nh\u1ea5t<\/strong> trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p, kh\u00f4ng ch\u1ec9 v\u00ec t\u1ea3i l\u01b0\u1ee3ng \u00f4 nhi\u1ec5m cao m\u00e0 c\u00f2n v\u00ec th\u00e0nh ph\u1ea7n dao \u0111\u1ed9ng li\u00ean t\u1ee5c theo c\u00f4ng th\u1ee9c thu\u1ed1c nhu\u1ed9m, ch\u1ea5t tr\u1ee3 nhu\u1ed9m v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t t\u1eebng m\u1eb7t h\u00e0ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"11_Dac_trung_o_nhiem_nuoc_thai_det_nhuom\"><\/span>1.1 \u0110\u1eb7c tr\u01b0ng \u00f4 nhi\u1ec5m n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>COD cao v\u00e0 dao \u0111\u1ed9ng m\u1ea1nh:<\/strong> N\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m \u0111i\u1ec3n h\u00ecnh c\u00f3 COD \u0111\u1ea7u v\u00e0o trong kho\u1ea3ng <strong>500\u20132.000 mg\/L<\/strong>, th\u1eadm ch\u00ed v\u01b0\u1ee3t 3.000 mg\/L t\u1ea1i c\u00e1c c\u00f4ng \u0111o\u1ea1n nhu\u1ed9m ho\u1ea1t t\u00ednh \u0111\u1eadm m\u00e0u. T\u1ea1i nh\u00e0 m\u00e1y n\u00e0y, COD th\u00f4 dao \u0111\u1ed9ng theo ca s\u1ea3n xu\u1ea5t \u2014 \u0111\u00e2y l\u00e0 y\u1ebfu t\u1ed1 khi\u1ebfn vi\u1ec7c \u0111\u1ecbnh li\u1ec1u h\u00f3a ch\u1ea5t c\u1ed1 \u0111\u1ecbnh kh\u00f4ng th\u1ec3 \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n<p><strong>\u0110\u1ed9 m\u00e0u cao \u2014 thu\u1ed1c nhu\u1ed9m kh\u00f3 ph\u00e2n h\u1ee7y:<\/strong> C\u00e1c thu\u1ed1c nhu\u1ed9m ho\u1ea1t t\u00ednh (reactive dyes), thu\u1ed1c nhu\u1ed9m ph\u00e2n t\u00e1n (disperse dyes) v\u00e0 thu\u1ed1c nhu\u1ed9m ho\u00e0n nguy\u00ean (vat dyes) t\u1ea1o ra n\u01b0\u1edbc th\u1ea3i c\u00f3 \u0111\u1ed9 m\u00e0u t\u1eeb <strong>500\u20135.000 Pt-Co<\/strong>, mang c\u1ea5u tr\u00fac ph\u00e2n t\u1eed ph\u1ee9c t\u1ea1p, kh\u00f3 x\u1eed l\u00fd b\u1eb1ng vi sinh. Keo t\u1ee5-t\u1ea1o b\u00f4ng l\u00e0 b\u01b0\u1edbc ti\u1ec1n x\u1eed l\u00fd kh\u00f4ng th\u1ec3 thi\u1ebfu tr\u01b0\u1edbc h\u1ec7 th\u1ed1ng sinh h\u1ecdc.<\/p>\n<p><strong>pH bi\u1ebfn \u0111\u1ed9ng theo c\u00f4ng \u0111o\u1ea1n:<\/strong><\/p>\n<ul>\n<li>C\u00f4ng \u0111o\u1ea1n t\u1ea9y tr\u1eafng (bleaching): pH c\u00f3 th\u1ec3 l\u00ean 10\u201311<\/li>\n<li>C\u00f4ng \u0111o\u1ea1n nhu\u1ed9m ho\u00e0n nguy\u00ean: pH 11\u201312<\/li>\n<li>C\u00f4ng \u0111o\u1ea1n gi\u1eb7t acid: pH 4\u20135<\/li>\n<\/ul>\n<p>S\u1ef1 dao \u0111\u1ed9ng pH theo ca s\u1ea3n xu\u1ea5t \u0111\u1eb7t ra y\u00eau c\u1ea7u: <strong>h\u00f3a ch\u1ea5t keo t\u1ee5 ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong d\u1ea3i pH r\u1ed9ng<\/strong> ho\u1eb7c ph\u1ea3i ki\u1ec3m so\u00e1t pH nghi\u00eam ng\u1eb7t tr\u01b0\u1edbc b\u1ec3 keo t\u1ee5.<\/p>\n<p><strong>TSS v\u00e0 ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng:<\/strong> X\u01a1 s\u1ee3i, b\u1ee5i cotton, pigment t\u1ea1o TSS trong kho\u1ea3ng <strong>200\u2013600 mg\/L<\/strong> \u2014 cao h\u01a1n nhi\u1ec1u so v\u1edbi n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t, \u0111\u00f2i h\u1ecfi coagulant c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o floc l\u1edbn v\u00e0 n\u1eb7ng, l\u1eafng nhanh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"12_Yeu_cau_tuan_thu_phap_luat\"><\/span>1.2 Y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 ph\u00e1p lu\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nh\u00e0 m\u00e1y thu\u1ed9c \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ea3i tu\u00e2n th\u1ee7 <strong><a href=\"https:\/\/thuvienphapluat.vn\/van-ban\/Tai-nguyen-Moi-truong\/Quy-chuan-ky-thuat-quoc-gia-nuoc-thai-cong-nghiep-det-may-QCVN-13-2015-BTNMT-308337.aspx\" target=\"_blank\" rel=\"noopener\">QCVN 13:2015\/BTNMT<\/a><\/strong> \u2014 Quy chu\u1ea9n k\u1ef9 thu\u1eadt qu\u1ed1c gia v\u1ec1 n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p d\u1ec7t may. C\u1ed9t B \u00e1p d\u1ee5ng cho n\u01b0\u1edbc th\u1ea3i x\u1ea3 v\u00e0o ngu\u1ed3n ti\u1ebfp nh\u1eadn kh\u00f4ng d\u00f9ng cho m\u1ee5c \u0111\u00edch c\u1ea5p n\u01b0\u1edbc sinh ho\u1ea1t.<\/p>\n<p>C\u00e1c th\u00f4ng s\u1ed1 ki\u1ec3m so\u00e1t ch\u00ednh theo c\u1ed9t B:<\/p>\n<ul>\n<li>COD \u2264 150 mg\/L<\/li>\n<li>BOD\u2085 \u2264 50 mg\/L<\/li>\n<li>TSS \u2264 100 mg\/L<\/li>\n<li>\u0110\u1ed9 m\u00e0u \u2264 150 Pt-Co<\/li>\n<li>pH: 5,5 \u2013 9,0<\/li>\n<\/ul>\n<p>V\u1edbi COD \u0111\u1ea7u v\u00e0o th\u00f4 l\u00ean t\u1edbi 800\u20131.200 mg\/L t\u1ea1i nh\u00e0 m\u00e1y n\u00e0y, \u0111\u00e2y l\u00e0 m\u1ee9c y\u00eau c\u1ea7u gi\u1ea3m t\u1ea3i <strong>80\u201385%<\/strong> ch\u1ec9 qua b\u01b0\u1edbc keo t\u1ee5-t\u1ea1o b\u00f4ng tr\u01b0\u1edbc khi v\u00e0o b\u1ec3 sinh h\u1ecdc \u2014 m\u1ed9t ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt kh\u1eaft khe \u0111\u00f2i h\u1ecfi h\u00f3a ch\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 quy tr\u00ecnh ki\u1ec3m so\u00e1t li\u1ec1u l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t.<\/p>\n<hr>\n<h2><span class=\"ez-toc-section\" id=\"2_Quy_Trinh_Lua_Chon_Hoa_Chat_%E2%80%94_Jar_Test_La_Nen_Tang_Quyet_Dinh\"><\/span>2. Quy Tr\u00ecnh L\u1ef1a Ch\u1ecdn H\u00f3a Ch\u1ea5t \u2014 Jar Test L\u00e0 N\u1ec1n T\u1ea3ng Quy\u1ebft \u0110\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Tr\u01b0\u1edbc khi tri\u1ec3n khai \u0111\u1ea1i tr\u00e0, \u0111\u1ed9i k\u1ef9 thu\u1eadt L\u1ed9c Thi\u00ean ph\u1ed1i h\u1ee3p v\u1edbi b\u1ed9 ph\u1eadn x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i nh\u00e0 m\u00e1y th\u1ef1c hi\u1ec7n <strong>chu\u1ed7i jar test c\u00f3 h\u1ec7 th\u1ed1ng<\/strong> \u2014 ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh lo\u1ea1i coagulant, li\u1ec1u l\u01b0\u1ee3ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n t\u1ed1i \u01b0u.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"21_Phuong_phap_jar_test\"><\/span>2.1 Ph\u01b0\u01a1ng ph\u00e1p jar test<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Thi\u1ebft l\u1eadp th\u00ed nghi\u1ec7m:<\/strong><\/p>\n<ul>\n<li>M\u1eabu n\u01b0\u1edbc th\u1ea3i l\u1ea5y tr\u1ef1c ti\u1ebfp t\u1eeb h\u1ed1 thu, \u0111\u1ea1i di\u1ec7n cho 3 ca s\u1ea3n xu\u1ea5t kh\u00e1c nhau<\/li>\n<li>So s\u00e1nh song song: PAC c\u00e1c h\u00e0m l\u01b0\u1ee3ng Al\u2082O\u2083 kh\u00e1c nhau, ph\u00e8n nh\u00f4m [Al\u2082(SO\u2084)\u2083], FeCl\u2083<\/li>\n<li>Th\u00f4ng s\u1ed1 \u0111o: pH tr\u01b0\u1edbc\/sau, COD tr\u01b0\u1edbc\/sau, \u0111\u1ed9 m\u00e0u, TSS, th\u1ec3 t\u00edch b\u00f9n l\u1eafng sau 30 ph\u00fat<\/li>\n<\/ul>\n<p><strong>Bi\u1ebfn s\u1ed1 ki\u1ec3m so\u00e1t:<\/strong><\/p>\n<ul>\n<li>T\u1ed1c \u0111\u1ed9 khu\u1ea5y nhanh (flash mixing): 100\u2013150 rpm, 1\u20132 ph\u00fat<\/li>\n<li>T\u1ed1c \u0111\u1ed9 khu\u1ea5y ch\u1eadm (flocculation): 25\u201340 rpm, 15\u201320 ph\u00fat<\/li>\n<li>Th\u1eddi gian l\u1eafng: 30 ph\u00fat<\/li>\n<li>D\u1ea3i li\u1ec1u d\u00f9ng th\u1eed nghi\u1ec7m: 30\u2013200 mg\/L<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"22_Ket_qua_so_sanh_coagulant\"><\/span>2.2 K\u1ebft qu\u1ea3 so s\u00e1nh coagulant<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>Coagulant<\/th>\n<th>Li\u1ec1u t\u1ed1i \u01b0u<\/th>\n<th>COD removal<\/th>\n<th>\u0110\u1ed9 m\u00e0u removal<\/th>\n<th>Th\u1ec3 t\u00edch b\u00f9n<\/th>\n<th>Ghi ch\u00fa<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>PAC L\u1ed9c Thi\u00ean<\/strong><\/td>\n<td>80\u2013120 mg\/L<\/td>\n<td>~85%<\/td>\n<td>~90%<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Floc ch\u1eb7t, l\u1eafng nhanh<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e8n nh\u00f4m Al\u2082(SO\u2084)\u2083<\/td>\n<td>150\u2013250 mg\/L<\/td>\n<td>~70%<\/td>\n<td>~75%<\/td>\n<td>L\u1edbn, b\u00f9n x\u1ed1p<\/td>\n<td>Gi\u1ea3m pH m\u1ea1nh, c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh th\u00eam<\/td>\n<\/tr>\n<tr>\n<td>FeCl\u2083<\/td>\n<td>60\u2013100 mg\/L<\/td>\n<td>~78%<\/td>\n<td>~80%<\/td>\n<td>Nh\u1ecf, \u0111\u1eb7c<\/td>\n<td>M\u00e0u b\u00f9n n\u00e2u \u0111\u1ecf, t\u0103ng Fe trong n\u01b0\u1edbc th\u1ea3i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"23_Ly_do_PAC_Loc_Thien_duoc_lua_chon\"><\/span>2.3 L\u00fd do PAC L\u1ed9c Thi\u00ean \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i:<\/strong> PAC \u0111\u1ea1t t\u1ef7 l\u1ec7 lo\u1ea1i COD v\u00e0 \u0111\u1ed9 m\u00e0u cao nh\u1ea5t trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m, v\u1edbi li\u1ec1u d\u00f9ng th\u1ea5p h\u01a1n ph\u00e8n nh\u00f4m. \u0110i\u1ec1u n\u00e0y c\u00f3 \u00fd ngh\u0129a l\u1edbn khi nh\u00e2n v\u1edbi 800 m\u00b3\/ng\u00e0y \u2014 gi\u1ea3m chi ph\u00ed h\u00f3a ch\u1ea5t v\u00e0 gi\u1ea3m l\u01b0\u1ee3ng b\u00f9n ph\u00e1t sinh.<\/p>\n<p><strong>T\u00ednh \u1ed5n \u0111\u1ecbnh theo d\u1ea3i pH r\u1ed9ng:<\/strong> PAC duy tr\u00ec hi\u1ec7u qu\u1ea3 keo t\u1ee5 trong kho\u1ea3ng pH 6,0\u20138,0, ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m dao \u0111\u1ed9ng pH c\u1ee7a n\u01b0\u1edbc th\u1ea3i d\u1ec7t. Trong khi ph\u00e8n nh\u00f4m th\u00f4ng th\u01b0\u1eddng c\u1ea7n pH ki\u1ec3m so\u00e1t ch\u1eb7t \u1edf 6,5\u20137,0 \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a.<\/p>\n<p><strong>Ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m nh\u1ea5t qu\u00e1n qua 50+ l\u00f4:<\/strong> D\u1eef li\u1ec7u jar test t\u1eeb h\u01a1n 50 l\u00f4 PAC L\u1ed9c Thi\u00ean (2025\u20132026) cho th\u1ea5y h\u00e0m l\u01b0\u1ee3ng Al\u2082O\u2083 \u1ed5n \u0111\u1ecbnh, kh\u00f4ng c\u00f3 s\u1ef1 c\u1ed1 bi\u1ebfn \u0111\u1ed9ng ch\u1ea5t l\u01b0\u1ee3ng \u2014 y\u1ebfu t\u1ed1 then ch\u1ed1t trong v\u1eadn h\u00e0nh c\u00f4ng nghi\u1ec7p li\u00ean t\u1ee5c.<\/p>\n<p><strong>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt t\u1ea1i ch\u1ed7:<\/strong> L\u1ed9c Thi\u00ean c\u1eed k\u1ef9 s\u01b0 m\u00f4i tr\u01b0\u1eddng h\u1ed7 tr\u1ee3 thi\u1ebft l\u1eadp quy tr\u00ecnh \u0111\u1ecbnh li\u1ec1u \u0111\u1ed9ng (dynamic dosing) d\u1ef1a tr\u00ean turbidity sensor v\u00e0 COD \u0111\u1ea7u v\u00e0o \u2014 kh\u00f4ng ch\u1ec9 b\u00e1n h\u00f3a ch\u1ea5t m\u00e0 tham gia v\u00e0o qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u v\u1eadn h\u00e0nh.<\/p>\n<hr>\n<h2><span class=\"ez-toc-section\" id=\"3_Ket_Qua_Thuc_Te_%E2%80%94_So_Lieu_TruocSau_Xu_Ly\"><\/span>3. K\u1ebft Qu\u1ea3 Th\u1ef1c T\u1ebf \u2014 S\u1ed1 Li\u1ec7u Tr\u01b0\u1edbc\/Sau X\u1eed L\u00fd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u1ed5ng h\u1ee3p th\u00f4ng s\u1ed1 n\u01b0\u1edbc th\u1ea3i \u0111\u1eb7c tr\u01b0ng t\u1ea1i nh\u00e0 m\u00e1y, trung b\u00ecnh h\u00f3a theo d\u1eef li\u1ec7u quan tr\u1eafc v\u1eadn h\u00e0nh:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"31_Bang_so_sanh_chat_luong_nuoc_thai_truocsau_keo_tu-tao_bong\"><\/span>3.1 B\u1ea3ng so s\u00e1nh ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea3i tr\u01b0\u1edbc\/sau keo t\u1ee5-t\u1ea1o b\u00f4ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>Th\u00f4ng s\u1ed1<\/th>\n<th>N\u01b0\u1edbc th\u1ea3i th\u00f4 (\u0111\u1ea7u v\u00e0o)<\/th>\n<th>Sau keo t\u1ee5-t\u1ea1o b\u00f4ng<\/th>\n<th>Gi\u1edbi h\u1ea1n QCVN 13:2015 C\u1ed9t B<\/th>\n<th>\u0110\u1ea1t chu\u1ea9n?<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>COD (mg\/L)<\/strong><\/td>\n<td>800\u20131.200<\/td>\n<td>120\u2013180<\/td>\n<td>\u2264 150<\/td>\n<td>\u2705 (sau b\u01b0\u1edbc sinh h\u1ecdc ti\u1ebfp theo)<\/td>\n<\/tr>\n<tr>\n<td><strong>TSS (mg\/L)<\/strong><\/td>\n<td>200\u2013450<\/td>\n<td>40\u201370<\/td>\n<td>\u2264 100<\/td>\n<td>\u2705<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 m\u00e0u (Pt-Co)<\/strong><\/td>\n<td>1.000\u20133.000<\/td>\n<td>100\u2013200<\/td>\n<td>\u2264 150<\/td>\n<td>\u2705 (sau l\u1ecdc b\u1ed5 sung)<\/td>\n<\/tr>\n<tr>\n<td><strong>pH<\/strong><\/td>\n<td>5,5\u20139,5 (bi\u1ebfn \u0111\u1ed9ng)<\/td>\n<td>6,5\u20137,5<\/td>\n<td>5,5 \u2013 9,0<\/td>\n<td>\u2705<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 \u0111\u1ee5c (NTU)<\/strong><\/td>\n<td>150\u2013400<\/td>\n<td>15\u201335<\/td>\n<td>\u2014<\/td>\n<td>Gi\u1ea3m m\u1ea1nh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p><em>L\u01b0u \u00fd: COD sau keo t\u1ee5-t\u1ea1o b\u00f4ng c\u00f2n c\u1ea7n qua b\u1ec3 sinh h\u1ecdc aerobic tr\u01b0\u1edbc khi x\u1ea3 th\u1ea3i. B\u1ea3ng ph\u1ea3n \u00e1nh hi\u1ec7u su\u1ea5t b\u01b0\u1edbc ti\u1ec1n x\u1eed l\u00fd keo t\u1ee5-t\u1ea1o b\u00f4ng v\u1edbi PAC.<\/em><\/p>\n<\/blockquote>\n<h3><span class=\"ez-toc-section\" id=\"32_Chi_phi_hoa_chat_uoc_tinh\"><\/span>3.2 Chi ph\u00ed h\u00f3a ch\u1ea5t \u01b0\u1edbc t\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>H\u1ea1ng m\u1ee5c<\/th>\n<th>Th\u00f4ng s\u1ed1<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Li\u1ec1u PAC t\u1ed1i \u01b0u<\/td>\n<td>80\u2013120 mg\/L (trung b\u00ecnh ~100 mg\/L)<\/td>\n<\/tr>\n<tr>\n<td>L\u01b0\u1ee3ng PAC ti\u00eau th\u1ee5\/ng\u00e0y<\/td>\n<td>~80\u201396 kg\/ng\u00e0y (cho 800 m\u00b3)<\/td>\n<\/tr>\n<tr>\n<td>Chi ph\u00ed h\u00f3a ch\u1ea5t keo t\u1ee5<\/td>\n<td>Li\u00ean h\u1ec7 L\u1ed9c Thi\u00ean \u0111\u1ec3 b\u00e1o gi\u00e1 theo kh\u1ed1i l\u01b0\u1ee3ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p><em>Chi ph\u00ed v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea3i l\u01b0\u1ee3ng COD \u0111\u1ea7u v\u00e0o t\u1eebng ca. L\u1ed9c Thi\u00ean cung c\u1ea5p t\u01b0 v\u1ea5n t\u1ed1i \u01b0u li\u1ec1u l\u01b0\u1ee3ng mi\u1ec5n ph\u00ed d\u1ef1a tr\u00ean d\u1eef li\u1ec7u v\u1eadn h\u00e0nh c\u1ee7a nh\u00e0 m\u00e1y.<\/em><\/p>\n<\/blockquote>\n<hr>\n<h2><span class=\"ez-toc-section\" id=\"4_Phan_Tich_Ky_Thuat_%E2%80%94_Tai_Sao_PAC_Hieu_Qua_Voi_Nuoc_Thai_Det_Nhuom\"><\/span>4. Ph\u00e2n T\u00edch K\u1ef9 Thu\u1eadt \u2014 T\u1ea1i Sao PAC Hi\u1ec7u Qu\u1ea3 V\u1edbi N\u01b0\u1edbc Th\u1ea3i D\u1ec7t Nhu\u1ed9m?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"41_Co_che_keo_tu_cua_PAC\"><\/span>4.1 C\u01a1 ch\u1ebf keo t\u1ee5 c\u1ee7a PAC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PAC (Poly Aluminium Chloride, [Al\u2082(OH)\u2099Cl\u2086\u208b\u2099]\u2098) l\u00e0 coagulant polymer v\u00f4 c\u01a1 v\u1edbi m\u1ee9c \u0111\u1ed9 ki\u1ec1m h\u00f3a tr\u01b0\u1edbc (pre-hydrolysis) cao h\u01a1n so v\u1edbi ph\u00e8n nh\u00f4m th\u00f4ng th\u01b0\u1eddng. Khi h\u00f2a tan v\u00e0o n\u01b0\u1edbc th\u1ea3i, PAC sinh ra c\u00e1c d\u1ea1ng polymer nh\u00f4m hydroxide t\u00edch \u0111i\u1ec7n d\u01b0\u01a1ng, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Al(OH)\u00b2\u207a, Al\u2082(OH)\u2082\u2074\u207a<\/strong>: Trung h\u00f2a \u0111i\u1ec7n t\u00edch \u00e2m c\u1ee7a h\u1ea1t keo trong n\u01b0\u1edbc th\u1ea3i<\/li>\n<li><strong>Al\u2081\u2083O\u2084(OH)\u2082\u2084\u2077\u207a (Al\u2081\u2083)<\/strong>: Polymer nh\u00f4m l\u1edbn \u2014 ch\u1ee7 l\u1ef1c keo t\u1ee5 \u1edf pH trung t\u00ednh<\/li>\n<\/ul>\n<p><strong>C\u01a1 ch\u1ebf k\u00e9p trong n\u01b0\u1edbc th\u1ea3i d\u1ec7t:<\/strong><\/p>\n<ol>\n<li><strong>\u0110i\u1ec7n t\u00edch trung h\u00f2a (Charge Neutralization):<\/strong> Thu\u1ed1c nhu\u1ed9m ho\u1ea1t t\u00ednh mang \u0111i\u1ec7n \u00e2m trong n\u01b0\u1edbc \u2192 b\u1ecb c\u00e1c polymer Al\u00b3\u207a trung h\u00f2a \u2192 m\u1ea5t \u1ed5n \u0111\u1ecbnh keo \u2192 b\u1eaft \u0111\u1ea7u va ch\u1ea1m k\u1ebft t\u1ee5.<\/li>\n<\/ol>\n<ol>\n<li><strong>Qu\u00e9t l\u1eafng (Sweep Flocculation):<\/strong> \u1ede li\u1ec1u d\u00f9ng \u0111\u1ee7 cao (>80 mg\/L), c\u00e1c k\u1ebft t\u1ee7a Al(OH)\u2083 t\u1ea1o th\u00e0nh m\u1ea1ng l\u01b0\u1edbi d\u00e0y \u0111\u1eb7c, &#8220;qu\u00e9t&#8221; c\u00e1c h\u1ea1t m\u00e0u, x\u01a1 s\u1ee3i, TSS theo xu\u1ed1ng b\u00f9n.<\/li>\n<\/ol>\n<p><em>(Theo t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a Water Research Foundation v\u00e0 AWWA \u2014 Poly Aluminium Chloride: Chemistry, Mechanisms, and Treatment Efficiency)<\/em><\/p>\n<h3><span class=\"ez-toc-section\" id=\"42_Tai_sao_PAC_uu_viet_hon_trong_nuoc_thai_det\"><\/span>4.2 T\u1ea1i sao PAC \u01b0u vi\u1ec7t h\u01a1n trong n\u01b0\u1edbc th\u1ea3i d\u1ec7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m PAC<\/th>\n<th>L\u1ee3i th\u1ebf v\u1edbi n\u01b0\u1edbc th\u1ea3i d\u1ec7t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Pre-hydrolyzed polymer (m\u1ee9c ki\u1ec1m h\u00f3a 70\u201385%)<\/td>\n<td>\u00cdt l\u00e0m gi\u1ea3m pH \u2192 \u00edt t\u1ed1n h\u00f3a ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh pH<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh \u1edf pH 6,0\u20138,5<\/td>\n<td>Ph\u00f9 h\u1ee3p v\u1edbi pH dao \u0111\u1ed9ng c\u1ee7a n\u01b0\u1edbc d\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed1c \u0111\u1ed9 th\u1ee7y ph\u00e2n nhanh<\/td>\n<td>Floc h\u00ecnh th\u00e0nh nhanh \u2192 th\u1eddi gian l\u01b0u b\u1ec3 keo t\u1ee5 ng\u1eafn h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Floc ch\u1eb7t, t\u1ef7 tr\u1ecdng cao<\/td>\n<td>L\u1eafng nhanh \u2192 ti\u1ebft ki\u1ec7n di\u1ec7n t\u00edch b\u1ec3 l\u1eafng<\/td>\n<\/tr>\n<tr>\n<td>T\u01b0\u01a1ng th\u00edch v\u1edbi polymer tr\u1ee3 l\u1eafng (anionic polyacrylamide)<\/td>\n<td>T\u0103ng hi\u1ec7u qu\u1ea3 khi k\u1ebft h\u1ee3p th\u00eam polymer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"43_Dieu_kien_van_hanh_toi_uu_duoc_xac_lap\"><\/span>4.3 \u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh t\u1ed1i \u01b0u \u0111\u01b0\u1ee3c x\u00e1c l\u1eadp<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>pH keo t\u1ee5:<\/strong> 6,5\u20137,5 (ki\u1ec3m tra v\u00e0 \u0111i\u1ec1u ch\u1ec9nh b\u1eb1ng H\u2082SO\u2084 lo\u00e3ng ho\u1eb7c NaOH tr\u01b0\u1edbc b\u1ec3 keo t\u1ee5)<\/li>\n<li><strong>\u0110i\u1ec3m ch\u00e2m h\u00f3a ch\u1ea5t:<\/strong> Tr\u01b0\u1edbc b\u01a1m tu\u1ea7n ho\u00e0n ho\u1eb7c \u0111\u1ea7u \u1ed1ng v\u00e0o b\u1ec3 tr\u1ed9n nhanh \u2014 \u0111\u1ea3m b\u1ea3o ph\u00e2n t\u00e1n \u0111\u1ed3ng \u0111\u1ec1u<\/li>\n<li><strong>Th\u1eddi gian khu\u1ea5y nhanh:<\/strong> 1\u20132 ph\u00fat, G-value 150\u2013300 s\u207b\u00b9<\/li>\n<li><strong>Th\u1eddi gian t\u1ea1o b\u00f4ng:<\/strong> 15\u201320 ph\u00fat, G-value 20\u201350 s\u207b\u00b9<\/li>\n<li><strong>Kh\u00f4ng n\u00ean d\u00f9ng PAC chung b\u1ec3 v\u1edbi:<\/strong> NaOH n\u1ed3ng \u0111\u1ed9 cao (k\u1ebft t\u1ee7a ngay t\u1ea1i \u0111i\u1ec3m ch\u00e2m, gi\u1ea3m hi\u1ec7u qu\u1ea3)<\/li>\n<\/ul>\n<hr>\n<h2><span class=\"ez-toc-section\" id=\"5_Bai_Hoc_Rut_Ra_Khuyen_Nghi_Cho_Nha_May_Det_Nhuom_Tuong_Tu\"><\/span>5. B\u00e0i H\u1ecdc R\u00fat Ra &#038; Khuy\u1ebfn Ngh\u1ecb Cho Nh\u00e0 M\u00e1y D\u1ec7t Nhu\u1ed9m T\u01b0\u01a1ng T\u1ef1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"51_Dinh_lieu_dong_Dynamic_Dosing_%E2%80%94_Khong_Nen_Dung_Lieu_Co_Dinh\"><\/span>5.1 \u0110\u1ecbnh li\u1ec1u \u0111\u1ed9ng (Dynamic Dosing) \u2014 Kh\u00f4ng N\u00ean D\u00f9ng Li\u1ec1u C\u1ed1 \u0110\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t trong v\u1eadn h\u00e0nh: <strong>\u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh b\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng PAC m\u1ed9t m\u1ee9c duy nh\u1ea5t<\/strong> cho to\u00e0n b\u1ed9 ca. N\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m thay \u0111\u1ed5i t\u1ea3i l\u01b0\u1ee3ng theo t\u1eebng m\u1ebb nhu\u1ed9m \u2014 m\u1ed9t nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t 5 m\u1eb7t h\u00e0ng kh\u00e1c nhau trong ng\u00e0y c\u00f3 th\u1ec3 c\u00f3 COD \u0111\u1ea7u v\u00e0o dao \u0111\u1ed9ng 3\u20134 l\u1ea7n.<\/p>\n<p><strong>Khuy\u1ebfn ngh\u1ecb:<\/strong> L\u1eafp turbidity sensor ho\u1eb7c online COD meter t\u1ea1i \u0111\u1ea7u v\u00e0o b\u1ec3 keo t\u1ee5, k\u1ebft h\u1ee3p b\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng bi\u1ebfn t\u1ea7n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh li\u1ec1u PAC t\u1ef1 \u0111\u1ed9ng theo t\u1ea3i l\u01b0\u1ee3ng th\u1ef1c t\u1ebf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"52_Kiem_Soat_pH_Truoc_Keo_Tu_%E2%80%94_Buoc_Khong_The_Bo_Qua\"><\/span>5.2 Ki\u1ec3m So\u00e1t pH Tr\u01b0\u1edbc Keo T\u1ee5 \u2014 B\u01b0\u1edbc Kh\u00f4ng Th\u1ec3 B\u1ecf Qua<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u1edbi pH \u0111\u1ea7u v\u00e0o c\u00f3 th\u1ec3 dao \u0111\u1ed9ng 5,5\u20139,5, ph\u1ea3i thi\u1ebft l\u1eadp b\u1ec3 \u0111i\u1ec1u h\u00f2a pH ri\u00eang (ho\u1eb7c b\u1ec3 \u0111i\u1ec1u h\u00f2a l\u01b0u l\u01b0\u1ee3ng c\u00f3 ch\u1ee9c n\u0103ng c\u00e2n b\u1eb1ng pH) tr\u01b0\u1edbc b\u1ec3 keo t\u1ee5. M\u1ee5c ti\u00eau \u0111\u01b0a pH v\u1ec1 kho\u1ea3ng 6,5\u20137,5 tr\u01b0\u1edbc khi ch\u00e2m PAC.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"53_Jar_Test_Dinh_Ky_%E2%80%94_It_Nhat_1_LanThang\"><\/span>5.3 Jar Test \u0110\u1ecbnh K\u1ef3 \u2014 \u00cdt Nh\u1ea5t 1 L\u1ea7n\/Th\u00e1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Thu\u1ed1c nhu\u1ed9m v\u00e0 c\u00f4ng th\u1ee9c nhu\u1ed9m thay \u0111\u1ed5i theo \u0111\u01a1n h\u00e0ng. M\u1ed9t nh\u00e0 m\u00e1y nh\u1eadn \u0111\u01a1n h\u00e0ng m\u1edbi v\u1edbi thu\u1ed1c nhu\u1ed9m reactive th\u1ebf h\u1ec7 m\u1edbi c\u00f3 th\u1ec3 th\u1ea5y hi\u1ec7u su\u1ea5t keo t\u1ee5 gi\u1ea3m \u0111\u1ed9t ng\u1ed9t. Jar test th\u00e1ng l\u00e0 c\u00f4ng c\u1ee5 ph\u00e1t hi\u1ec7n s\u1edbm v\u00e0 \u0111i\u1ec1u ch\u1ec9nh quy tr\u00ecnh k\u1ecbp th\u1eddi.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"54_Ket_Hop_Polymer_Tro_Lang_Dung_Cach\"><\/span>5.4 K\u1ebft H\u1ee3p Polymer Tr\u1ee3 L\u1eafng \u0110\u00fang C\u00e1ch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ed1i v\u1edbi n\u01b0\u1edbc th\u1ea3i c\u00f3 TSS cao ho\u1eb7c floc nh\u1ecf kh\u00f3 l\u1eafng, b\u1ed5 sung <strong>anionic polyacrylamide<\/strong> sau b\u1ec3 keo t\u1ee5 nhanh v\u00e0 tr\u01b0\u1edbc b\u1ec3 t\u1ea1o b\u00f4ng ch\u1eadm. Li\u1ec1u polymer th\u01b0\u1eddng 0,5\u20132 mg\/L \u2014 t\u0103ng k\u00edch th\u01b0\u1edbc v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng floc \u0111\u00e1ng k\u1ec3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"55_Theo_Doi_Chat_Luong_PAC_Tung_Lo\"><\/span>5.5 Theo D\u00f5i Ch\u1ea5t L\u01b0\u1ee3ng PAC T\u1eebng L\u00f4<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Y\u00eau c\u1ea7u Certificate of Analysis (CoA) t\u1eeb nh\u00e0 cung c\u1ea5p cho m\u1ed7i l\u00f4 h\u00e0ng, ki\u1ec3m tra h\u00e0m l\u01b0\u1ee3ng Al\u2082O\u2083 th\u1ef1c t\u1ebf (th\u01b0\u1eddng 10\u201311%). Bi\u1ebfn \u0111\u1ed9ng h\u00e0m l\u01b0\u1ee3ng Al\u2082O\u2083 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u qu\u1ea3 keo t\u1ee5 n\u1ebfu kh\u00f4ng \u0111i\u1ec1u ch\u1ec9nh li\u1ec1u theo.<\/p>\n<hr>\n<h2><span class=\"ez-toc-section\" id=\"6_FAQ_%E2%80%94_Cau_Hoi_Thuong_Gap\"><\/span>6. FAQ \u2014 C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Cau_hoi_1_Lieu_luong_PAC_bao_nhieu_la_phu_hop_cho_nuoc_thai_det_nhuom\"><\/span>C\u00e2u h\u1ecfi 1: Li\u1ec1u l\u01b0\u1ee3ng PAC bao nhi\u00eau l\u00e0 ph\u00f9 h\u1ee3p cho n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Li\u1ec1u d\u00f9ng PAC cho n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m th\u01b0\u1eddng dao \u0111\u1ed9ng <strong>50\u2013150 mg\/L<\/strong>, t\u00f9y thu\u1ed9c v\u00e0o t\u1ea3i l\u01b0\u1ee3ng COD \u0111\u1ea7u v\u00e0o, lo\u1ea1i thu\u1ed1c nhu\u1ed9m v\u00e0 pH n\u01b0\u1edbc th\u1ea3i. V\u1edbi nh\u00e0 m\u00e1y 800 m\u00b3\/ng\u00e0y t\u1ea1i B\u00ecnh D\u01b0\u01a1ng, li\u1ec1u t\u1ed1i \u01b0u x\u00e1c \u0111\u1ecbnh qua jar test l\u00e0 <strong>80\u2013120 mg\/L<\/strong>. Kh\u00f4ng n\u00ean \u00e1p d\u1ee5ng li\u1ec1u c\u1ed1 \u0111\u1ecbnh m\u00e0 kh\u00f4ng th\u1ef1c hi\u1ec7n jar test v\u1edbi m\u1eabu n\u01b0\u1edbc th\u1ea3i th\u1ef1c t\u1ebf c\u1ee7a t\u1eebng nh\u00e0 m\u00e1y, v\u00ec \u0111\u1eb7c t\u00ednh n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 theo c\u00f4ng th\u1ee9c thu\u1ed1c nhu\u1ed9m v\u00e0 c\u00f4ng \u0111o\u1ea1n s\u1ea3n xu\u1ea5t. Li\u00ean h\u1ec7 L\u1ed9c Thi\u00ean \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 jar test mi\u1ec5n ph\u00ed t\u1ea1i c\u01a1 s\u1edf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cau_hoi_2_PAC_hay_FeCl%E2%82%83_phu_hop_hon_cho_xu_ly_nuoc_thai_det_nhuom\"><\/span>C\u00e2u h\u1ecfi 2: PAC hay FeCl\u2083 ph\u00f9 h\u1ee3p h\u01a1n cho x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u1ea3 hai \u0111\u1ec1u l\u00e0 coagulant hi\u1ec7u qu\u1ea3, nh\u01b0ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng trong \u1ee9ng d\u1ee5ng d\u1ec7t nhu\u1ed9m. <strong>PAC<\/strong> cho hi\u1ec7u su\u1ea5t lo\u1ea1i m\u00e0u cao h\u01a1n v\u1edbi nhi\u1ec1u lo\u1ea1i thu\u1ed1c nhu\u1ed9m, \u00edt \u1ea3nh h\u01b0\u1edfng pH, floc tr\u1eafng\/x\u00e1m kh\u00f4ng t\u1ea1o m\u00e0u n\u00e2u \u0111\u1ecf trong n\u01b0\u1edbc sau x\u1eed l\u00fd. <strong>FeCl\u2083<\/strong> c\u00f3 li\u1ec1u d\u00f9ng th\u1ea5p h\u01a1n, gi\u00e1 th\u00e0nh th\u01b0\u1eddng r\u1ebb h\u01a1n, nh\u01b0ng l\u00e0m t\u0103ng h\u00e0m l\u01b0\u1ee3ng Fe trong n\u01b0\u1edbc th\u1ea3i \u2014 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ti\u00eau chu\u1ea9n x\u1ea3 th\u1ea3i n\u1ebfu kh\u00f4ng ki\u1ec3m so\u00e1t t\u1ed1t. V\u1edbi quy chu\u1ea9n QCVN 13:2015\/BTNMT v\u00e0 y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 m\u00e0u, PAC th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean trong ng\u00e0nh d\u1ec7t nhu\u1ed9m. Jar test song song tr\u00ean n\u01b0\u1edbc th\u1ea3i th\u1ef1c t\u1ebf c\u1ee7a t\u1eebng nh\u00e0 m\u00e1y l\u00e0 c\u00e1ch duy nh\u1ea5t \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 kh\u00e1ch quan.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cau_hoi_3_Loc_Thien_co_ho_tro_jar_test_khong_va_dich_vu_nay_tinh_phi_khong\"><\/span>C\u00e2u h\u1ecfi 3: L\u1ed9c Thi\u00ean c\u00f3 h\u1ed7 tr\u1ee3 jar test kh\u00f4ng, v\u00e0 d\u1ecbch v\u1ee5 n\u00e0y t\u00ednh ph\u00ed kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3. L\u1ed9c Thi\u00ean cung c\u1ea5p d\u1ecbch v\u1ee5 jar test <strong>mi\u1ec5n ph\u00ed<\/strong> t\u1ea1i nh\u00e0 m\u00e1y kh\u00e1ch h\u00e0ng. K\u1ef9 s\u01b0 m\u00f4i tr\u01b0\u1eddng mang thi\u1ebft b\u1ecb \u0111\u1ebfn tr\u1ef1c ti\u1ebfp, th\u1ef1c hi\u1ec7n jar test v\u1edbi m\u1eabu n\u01b0\u1edbc th\u1ea3i th\u1ef1c t\u1ebf, xu\u1ea5t k\u1ebft qu\u1ea3 trong 2\u20134 gi\u1edd k\u00e8m khuy\u1ebfn ngh\u1ecb lo\u1ea1i PAC v\u00e0 li\u1ec1u l\u01b0\u1ee3ng t\u1ed1i \u01b0u. \u0110\u1eb7t l\u1ecbch qua hotline <strong>0979 891 929<\/strong> \u2014 ph\u1ee5c v\u1ee5 to\u00e0n t\u1ec9nh B\u00ecnh D\u01b0\u01a1ng v\u00e0 c\u00e1c t\u1ec9nh l\u00e2n c\u1eadn.<\/p>\n<hr>\n<h2><span class=\"ez-toc-section\" id=\"7_Lien_He_Tu_Van_Ky_Thuat_Mien_Phi\"><\/span>7. Li\u00ean H\u1ec7 T\u01b0 V\u1ea5n K\u1ef9 Thu\u1eadt Mi\u1ec5n Ph\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nh\u00e0 m\u00e1y c\u1ee7a b\u1ea1n \u0111ang x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m v\u00e0 c\u1ea7n t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t keo t\u1ee5, gi\u1ea3m chi ph\u00ed h\u00f3a ch\u1ea5t ho\u1eb7c \u0111\u1ea1t chu\u1ea9n QCVN?<\/p>\n<p><strong>H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean<\/strong> \u2014 v\u1edbi t\u1ed5ng c\u00f4ng su\u1ea5t ph\u1ee5c v\u1ee5 50.000 m\u00b3\/ng\u00e0y v\u00e0 h\u01a1n 50 l\u00f4 PAC \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh (2025\u20132026) \u2014 s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3:<\/p>\n<ul>\n<li>\u2705 <a href=\"https:\/\/hoachatlocthien.com\/tu-van\/\">D\u1ecbch v\u1ee5 t\u01b0 v\u1ea5n jar test mi\u1ec5n ph\u00ed<\/a> t\u1ea1i nh\u00e0 m\u00e1y<\/li>\n<li>\u2705 T\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt ch\u1ecdn PAC ph\u00f9 h\u1ee3p theo \u0111\u1eb7c t\u00ednh n\u01b0\u1edbc th\u1ea3i<\/li>\n<li>\u2705 H\u1ed7 tr\u1ee3 thi\u1ebft l\u1eadp quy tr\u00ecnh \u0111\u1ecbnh li\u1ec1u \u0111\u1ed9ng<\/li>\n<li>\u2705 Cung c\u1ea5p Certificate of Analysis theo l\u00f4 h\u00e0ng<\/li>\n<li>\u2705 Giao h\u00e0ng \u0111\u1ecbnh k\u1ef3, \u1ed5n \u0111\u1ecbnh ngu\u1ed3n cung<\/li>\n<\/ul>\n<p><strong>\ud83d\udcde Hotline:<\/strong> <a href=\"tel:+84979891929\">+84 979 891 929<\/a> <strong>\ud83d\udce7 Email:<\/strong> <a href=\"mailto:locthien@locthien.vn\">locthien@locthien.vn<\/a> <strong>\ud83c\udf10 Website:<\/strong> <a href=\"https:\/\/hoachatlocthien.com\">hoachatlocthien.com<\/a><\/p>\n<hr>\n<hr>\n","protected":false},"excerpt":{"rendered":"<p>T\u00f3m t\u1eaft: H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean tri\u1ec3n khai gi\u1ea3i ph\u00e1p PAC (Poly Aluminium Chloride) cho nh\u00e0 m\u00e1y d\u1ec7t nhu\u1ed9m t\u1ea1i B\u00ecnh D\u01b0\u01a1ng, x\u1eed l\u00fd 800 m\u00b3 n\u01b0\u1edbc th\u1ea3i m\u1ed7i ng\u00e0y v\u1edbi k\u1ebft qu\u1ea3 COD gi\u1ea3m ~85%, \u0111\u1ea1t chu\u1ea9n x\u1ea3 th\u1ea3i QCVN 13:2015\/BTNMT c\u1ed9t B. D\u1eef li\u1ec7u d\u1ef1a tr\u00ean jar test th\u1ef1c t\u1ebf t\u1eeb h\u01a1n 50 [&#8230;]\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1432],"tags":[],"class_list":["post-9341","post","type-post","status-publish","format-standard","hentry","category-case-study"],"acf":[],"rank_math_title":"PAC x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m B\u00ecnh D\u01b0\u01a1ng \u2014 Case Study","rank_math_description":"Case study th\u1ef1c t\u1ebf: PAC L\u1ed9c Thi\u00ean x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i nh\u00e0 m\u00e1y d\u1ec7t nhu\u1ed9m 800 m\u00b3\/ng\u00e0y t\u1ea1i B\u00ecnh D\u01b0\u01a1ng. COD gi\u1ea3m ~85%, \u0111\u1ea1t QCVN 13:2015\/BTNMT c\u1ed9t B.","rank_math_focus_keyword":"PAC x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m B\u00ecnh D\u01b0\u01a1ng","_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9341","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/comments?post=9341"}],"version-history":[{"count":6,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9341\/revisions"}],"predecessor-version":[{"id":9353,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9341\/revisions\/9353"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/media?parent=9341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/categories?post=9341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/tags?post=9341"}],"curies":[{"name":"WordPress","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}