{"id":9416,"date":"2026-07-17T20:29:11","date_gmt":"2026-07-17T13:29:11","guid":{"rendered":"https:\/\/hoachatlocthien.com\/?p=9416"},"modified":"2026-07-17T20:29:11","modified_gmt":"2026-07-17T13:29:11","slug":"huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai","title":{"rendered":"H\u01b0\u1edbng D\u1eabn Jar Test X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i: 7 L\u1ed7i Sai Khi\u1ebfn H\u00f3a Ch\u1ea5t (V\u00e0 Ti\u1ec1n) Tr\u00f4i S\u00f4ng | L\u1ed9c Thi\u00ean"},"content":{"rendered":"<div class=\"geo-aio-answer\">\n  <p><strong>Jar test x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/strong> l\u00e0 th\u00ed nghi\u1ec7m lab m\u00f4 ph\u1ecfng keo t\u1ee5 \u2013 t\u1ea1o b\u00f4ng \u0111\u1ec3 ch\u1ecdn lo\u1ea1i h\u00f3a ch\u1ea5t v\u00e0 li\u1ec1u t\u1ed1i \u01b0u cho <em>m\u1eabu n\u01b0\u1edbc c\u1ee7a b\u1ea1n<\/em>. Sai lab \u2192 ch\u00e2m m\u00f9 ngo\u00e0i tr\u1ea1m, h\u00f3a \u201ctr\u00f4i s\u00f4ng\u201d, b\u00f9n nhi\u1ec1u, c\u1eeda ra \u0111\u1ee5c d\u00f9 \u0111\u00e3 b\u01a1m \u0111\u1ee7.<\/p>\n  <p>Keo t\u1ee5 nh\u00f4m th\u01b0\u1eddng d\u00f9ng <a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/pac-tenor-31-trung-quoc-25kg-bao\/\">PAC (poly aluminium chloride, CAS 1327-41-9)<\/a>; khi c\u1ea7n s\u1eaft (II) c\u00e2n nh\u1eafc <a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/fecl2-sat-ii-clorua\/\">FeCl2 (ferrous chloride, CAS 7758-94-3)<\/a> 15\u201330% theo COA; ch\u1ec9nh pH b\u1eb1ng <a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/naoh-xut-long-50\/\">NaOH 50% (CAS 1310-73-2)<\/a>. COA\/MSDS B2B on-request. <strong>Li\u1ec1u nh\u00e0 m\u00e1y ph\u1ea3i jar-test l\u1ea1i<\/strong> \u2014 lab kh\u00f4ng thay SOP plant.<\/p>\n<\/div>\n\n<ul class=\"ux-key-points\">\n  <li>M\u1eabu kh\u00f4ng \u0111\u1ea1i di\u1ec7n ho\u1eb7c stock pha sai \u2192 c\u1ea3 d\u00e3y li\u1ec1u \u201c\u0111\u1eb9p lab\u201d h\u1ecfng ngo\u00e0i tr\u1ea1m.<\/li>\n  <li>C\u1eeda s\u1ed5 pH keo t\u1ee5 quan tr\u1ecdng kh\u00f4ng k\u00e9m \u201c\u0111\u1ed5 th\u00eam PAC\u201d.<\/li>\n  <li>\u0110\u1ed5i m\u00e0u\/m\u00f9a\/l\u00f4 h\u00f3a\/COD c\u1eeda ra \u2192 re-jar-test, \u0111\u1eebng gi\u1eef s\u1ed5 li\u1ec1u c\u0169 m\u00e3i.<\/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\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Vi_sao_jar-test_quyet_dinh_chi_phi_ETP\" title=\"V\u00ec sao jar-test quy\u1ebft \u0111\u1ecbnh chi ph\u00ed ETP\">V\u00ec sao jar-test quy\u1ebft \u0111\u1ecbnh chi ph\u00ed ETP<\/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\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Checklist_chuan_bi_truoc_jar-test\" title=\"Checklist chu\u1ea9n b\u1ecb tr\u01b0\u1edbc jar-test\">Checklist chu\u1ea9n b\u1ecb tr\u01b0\u1edbc jar-test<\/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\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#SOP_jar-test_8_buoc\" title=\"SOP jar-test 8 b\u01b0\u1edbc\">SOP jar-test 8 b\u01b0\u1edbc<\/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\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Bang_7_loi_jar-test_kinh_dien\" title=\"B\u1ea3ng 7 l\u1ed7i jar-test kinh \u0111i\u1ec3n\">B\u1ea3ng 7 l\u1ed7i jar-test kinh \u0111i\u1ec3n<\/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\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Loi_1_nuoc_duc_sau_keo_tu\" title=\"L\u1ed7i 1: n\u01b0\u1edbc \u0111\u1ee5c sau keo t\u1ee5\">L\u1ed7i 1: n\u01b0\u1edbc \u0111\u1ee5c sau keo t\u1ee5<\/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\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Loi_2_bong_nho_de_vo\" title=\"L\u1ed7i 2: b\u00f4ng nh\u1ecf, d\u1ec5 v\u1ee1\">L\u1ed7i 2: b\u00f4ng nh\u1ecf, d\u1ec5 v\u1ee1<\/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\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Loi_3_bun_noi_sau_lang\" title=\"L\u1ed7i 3: b\u00f9n n\u1ed5i sau l\u1eafng\">L\u1ed7i 3: b\u00f9n n\u1ed5i sau l\u1eafng<\/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\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Loi_4_pH_lech_cua_so_keo_tu\" title=\"L\u1ed7i 4: pH l\u1ec7ch c\u1eeda s\u1ed5 keo t\u1ee5\">L\u1ed7i 4: pH l\u1ec7ch c\u1eeda s\u1ed5 keo t\u1ee5<\/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\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Loi_5_qua_lieu_va_tai_on_dinh\" title=\"L\u1ed7i 5: qu\u00e1 li\u1ec1u v\u00e0 t\u00e1i \u1ed5n \u0111\u1ecbnh\">L\u1ed7i 5: qu\u00e1 li\u1ec1u v\u00e0 t\u00e1i \u1ed5n \u0111\u1ecbnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hoachatlocthien.com\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Loi_6_sai_thu_tu_cham_hoa\" title=\"L\u1ed7i 6: sai th\u1ee9 t\u1ef1 ch\u00e2m h\u00f3a\">L\u1ed7i 6: sai th\u1ee9 t\u1ef1 ch\u00e2m h\u00f3a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hoachatlocthien.com\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Loi_7_mau_khong_dai_dien_stock_sai\" title=\"L\u1ed7i 7: m\u1eabu kh\u00f4ng \u0111\u1ea1i di\u1ec7n \/ stock sai\">L\u1ed7i 7: m\u1eabu kh\u00f4ng \u0111\u1ea1i di\u1ec7n \/ stock sai<\/a><\/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\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Khi_nao_phai_jar-test_lai\" title=\"Khi n\u00e0o ph\u1ea3i jar-test l\u1ea1i\">Khi n\u00e0o ph\u1ea3i jar-test l\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/hoachatlocthien.com\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#PAC_FeCl2_FeCl3_%E2%80%94_khi_nao_fit\" title=\"PAC, FeCl2, FeCl3 \u2014 khi n\u00e0o fit\">PAC, FeCl2, FeCl3 \u2014 khi n\u00e0o fit<\/a><\/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\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Cau_hoi_thuong_gap\" title=\"C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p\">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-15\" href=\"https:\/\/hoachatlocthien.com\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Nong_do_stock_PAC_polymer_NaOH_pha_bao_nhieu_de_jar-test\" title=\"N\u1ed3ng \u0111\u1ed9 stock PAC, polymer, NaOH pha bao nhi\u00eau \u0111\u1ec3 jar-test?\">N\u1ed3ng \u0111\u1ed9 stock PAC, polymer, NaOH pha bao nhi\u00eau \u0111\u1ec3 jar-test?<\/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\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#PAC_truoc_hay_polymer_truoc_%E2%80%94_co_quan_trong\" title=\"PAC tr\u01b0\u1edbc hay polymer tr\u01b0\u1edbc \u2014 c\u00f3 quan tr\u1ecdng?\">PAC tr\u01b0\u1edbc hay polymer tr\u01b0\u1edbc \u2014 c\u00f3 quan tr\u1ecdng?<\/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\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Jar-test_nuoc_trong_nhung_COD_van_cao_%E2%80%94_vi_sao\" title=\"Jar-test n\u01b0\u1edbc trong nh\u01b0ng COD v\u1eabn cao \u2014 v\u00ec sao?\">Jar-test n\u01b0\u1edbc trong nh\u01b0ng COD v\u1eabn cao \u2014 v\u00ec sao?<\/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\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Polymer_anion_va_cation_dung_khi_nao\" title=\"Polymer anion v\u00e0 cation d\u00f9ng khi n\u00e0o?\">Polymer anion v\u00e0 cation d\u00f9ng khi n\u00e0o?<\/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\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Nhiet_do_mau_anh_huong_jar-test_the_nao\" title=\"Nhi\u1ec7t \u0111\u1ed9 m\u1eabu \u1ea3nh h\u01b0\u1edfng jar-test th\u1ebf n\u00e0o?\">Nhi\u1ec7t \u0111\u1ed9 m\u1eabu \u1ea3nh h\u01b0\u1edfng jar-test 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-20\" href=\"https:\/\/hoachatlocthien.com\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Da_thu_nhieu_lieu_van_khong_co_coc_dat_%E2%80%94_lam_gi\" title=\"\u0110\u00e3 th\u1eed nhi\u1ec1u li\u1ec1u v\u1eabn kh\u00f4ng c\u00f3 c\u1ed1c \u0111\u1ea1t \u2014 l\u00e0m g\u00ec?\">\u0110\u00e3 th\u1eed nhi\u1ec1u li\u1ec1u v\u1eabn kh\u00f4ng c\u00f3 c\u1ed1c \u0111\u1ea1t \u2014 l\u00e0m g\u00ec?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/hoachatlocthien.com\/ko\/huong-dan-jar-test-xu-ly-nuoc-thai-7-loi-sai\/#Ho_tro_jar-test_va_hoa_chat_B2B\" title=\"H\u1ed7 tr\u1ee3 jar-test v\u00e0 h\u00f3a ch\u1ea5t B2B\">H\u1ed7 tr\u1ee3 jar-test v\u00e0 h\u00f3a ch\u1ea5t B2B<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Vi_sao_jar-test_quyet_dinh_chi_phi_ETP\"><\/span>V\u00ec sao jar-test quy\u1ebft \u0111\u1ecbnh chi ph\u00ed ETP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>K\u1ef9 s\u01b0 ETP v\u00e0 thu mua KCN \u0111\u1ec1u bi\u1ebft: \u0111\u01a1n gi\u00e1 th\u00f9ng r\u1ebb ch\u01b0a ch\u1eafc r\u1ebb. Ch\u00e2m m\u00f9 khi ngu\u1ed3n th\u1ea3i \u0111\u1ed5i l\u00e0m t\u0103ng h\u00f3a, polymer, \u0111i\u1ec7n, v\u00e0 \u0111\u1eb7c bi\u1ec7t <strong>b\u00f9n \u01b0\u1edbt<\/strong>. Jar-test l\u00e0 \u201cla b\u00e0n\u201d tr\u01b0\u1edbc khi v\u1eb7n b\u01a1m \u2014 kh\u00f4ng ph\u1ea3i th\u1ee7 t\u1ee5c cho c\u00f3 s\u1ed5. M\u1ed9t m\u1ebb lab 45\u201360 ph\u00fat th\u01b0\u1eddng r\u1ebb h\u01a1n c\u1ea3 ca ch\u00e2m sai ngo\u00e0i tr\u1ea1m.<\/p>\n<p>Ch\u00fang t\u00f4i g\u1eb7p nhi\u1ec1u ca \u201c\u0111\u00fang thi\u1ebft k\u1ebf, \u0111\u1ee7 b\u01a1m\u201d nh\u01b0ng s\u1ed5 jar-test \u0111\u1ec3 6 th\u00e1ng kh\u00f4ng \u0111\u1ee5ng l\u1ea1i. Khi m\u00e0u l\u00f2 \u0111\u1ed5i, c\u1ea3 d\u00e2y chuy\u1ec1n h\u00f3a c\u0169 tr\u1edf th\u00e0nh ph\u1ecfng \u0111o\u00e1n.<\/p>\n<p>N\u1ebfu b\u1ea1n \u0111\u00e3 t\u1ed1i \u01b0u lab m\u00e0 tr\u1ea1m v\u1eabn tr\u01b0\u1ee3t ch\u1ec9 ti\u00eau, c\u00f3 th\u1ec3 \u0111ang d\u00ednh chu\u1ed7i v\u1eadn h\u00e0nh s\u00e2u h\u01a1n: xem <a href=\"https:\/\/hoachatlocthien.com\/ko\/he-thong-xu-ly-nuoc-thai-hoa-chat-dung-van-fail\/\">khi h\u1ec7 ch\u00e2m h\u00f3a v\u1eabn fail \u2014 8 n\u1ed7i \u0111au v\u1eadn h\u00e0nh<\/a>.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Checklist_chuan_bi_truoc_jar-test\"><\/span>Checklist chu\u1ea9n b\u1ecb tr\u01b0\u1edbc jar-test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-table\">\n<table>\n  <thead>\n    <tr><th>H\u1ea1ng m\u1ee5c<\/th><th>C\u1ea7n c\u00f3<\/th><th>L\u01b0u \u00fd<\/th><\/tr>\n  <\/thead>\n  <tbody>\n    <tr><td>Thi\u1ebft b\u1ecb<\/td><td>M\u00e1y jar 4\u20136 c\u1ed1c, c\u00e1nh \u0111\u1ed3ng t\u1ed1c<\/td><td>Ki\u1ec3m rpm th\u1ef1c t\u1ebf<\/td><\/tr>\n    <tr><td>D\u1ee5ng c\u1ee5<\/td><td>C\u1ed1c 1 L, pipet, \u1ed1ng \u0111ong<\/td><td>Tr\u00e1ng b\u1eb1ng ch\u00ednh m\u1eabu th\u1ea3i<\/td><\/tr>\n    <tr><td>\u0110o<\/td><td>pH meter (+ \u0111\u1ed9 \u0111\u1ee5c n\u1ebfu c\u00f3)<\/td><td>Hi\u1ec7u chu\u1ea9n probe tr\u01b0\u1edbc m\u1ebb<\/td><\/tr>\n    <tr><td>H\u00f3a g\u1ed1c<\/td><td>PAC \/ FeCl2 \/ FeCl3, polymer, acid\u2013ki\u1ec1m<\/td><td>C\u00f9ng l\u00f4 \u0111ang d\u00f9ng t\u1ea1i tr\u1ea1m<\/td><\/tr>\n    <tr><td>Stock<\/td><td>Th\u01b0\u1eddng 0,5\u20131% (g\/L theo SOP lab)<\/td><td>Pha trong ng\u00e0y; polymer kh\u00f4ng \u0111\u1ec3 c\u0169<\/td><\/tr>\n    <tr><td>M\u1eabu<\/td><td>\u0110\u1ea7u b\u1ec3 keo t\u1ee5, t\u1ea3i \u0111\u1ea1i di\u1ec7n<\/td><td>Tr\u00e1nh ch\u1ec9 l\u1ea5y l\u00fac \u201cn\u01b0\u1edbc \u0111\u1eb9p\u201d<\/td><\/tr>\n    <tr><td>PPE<\/td><td>G\u0103ng, k\u00ednh, kh\u1ea9u trang<\/td><td>Axit\/ki\u1ec1m\/s\u1eaft clorua \u0103n m\u00f2n<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/figure>\n\n<h2><span class=\"ez-toc-section\" id=\"SOP_jar-test_8_buoc\"><\/span>SOP jar-test 8 b\u01b0\u1edbc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n  <li><strong>San c\u1ed1c:<\/strong> 800\u20131000 ml m\u1eabu \u0111\u1ed3ng nh\u1ea5t m\u1ed7i c\u1ed1c.<\/li>\n  <li><strong>Baseline:<\/strong> ghi pH, \u0111\u1ee5c\/m\u00e0u, nhi\u1ec7t \u0111\u1ed9.<\/li>\n  <li><strong>Ch\u1ec9nh pH (n\u1ebfu c\u1ea7n):<\/strong> \u0111\u01b0a v\u1ec1 c\u1eeda s\u1ed5 keo t\u1ee5 b\u1eb1ng acid ho\u1eb7c <a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/naoh-xut-long-50\/\">NaOH (CAS 1310-73-2)<\/a>.<\/li>\n  <li><strong>Ch\u00e2m keo t\u1ee5:<\/strong> d\u1ea3i li\u1ec1u r\u1ed9ng (vd. 10\u201320\u201340\u201360\u2013100 mg\/L quy \u0111\u1ed5i stock) \u2014 m\u1ed7i c\u1ed1c m\u1ed9t li\u1ec1u.<\/li>\n  <li><strong>Khu\u1ea5y nhanh:<\/strong> ~100\u2013150 rpm, 1\u20133 ph\u00fat (ph\u00e2n t\u00e1n + trung h\u00f2a \u0111i\u1ec7n t\u00edch).<\/li>\n  <li><strong>Polymer (n\u1ebfu d\u00f9ng):<\/strong> ch\u00e2m \u0111\u1ea7u giai \u0111o\u1ea1n khu\u1ea5y ch\u1eadm \u2014 kh\u00f4ng tr\u1ed9n c\u00f9ng l\u00fac v\u1edbi coagulant trong pipet.<\/li>\n  <li><strong>Khu\u1ea5y ch\u1eadm + l\u1eafng:<\/strong> ~20\u201340 rpm 10\u201320 ph\u00fat; t\u1eaft m\u00e1y l\u1eafng 15\u201330 ph\u00fat; quan s\u00e1t b\u00f4ng v\u00e0 t\u1ed1c \u0111\u1ed9 l\u1eafng.<\/li>\n  <li><strong>Ch\u1ecdn c\u1ed1c chi\u1ebfn th\u1eafng:<\/strong> n\u01b0\u1edbc trong + li\u1ec1u th\u1ea5p nh\u1ea5t ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c; ghi s\u1ed5 (li\u1ec1u, pH tr\u01b0\u1edbc\/sau, quan s\u00e1t b\u00f9n).<\/li>\n<\/ol>\n<p>Ghi s\u1ed5 t\u1ed1i thi\u1ec3u: ng\u00e0y gi\u1edd, \u0111i\u1ec3m l\u1ea5y m\u1eabu, nhi\u1ec7t \u0111\u1ed9, pH tr\u01b0\u1edbc\u2013sau, mg\/L (ho\u1eb7c ml stock) t\u1eebng c\u1ed1c, rpm\/th\u1eddi gian, polymer (lo\u1ea1i + li\u1ec1u), quan s\u00e1t b\u00f4ng (to\/nh\u1ecf\/n\u1ed5i), \u0111\u1ee5c ho\u1eb7c c\u1ea3m quan n\u01b0\u1edbc trong. Kh\u00f4ng c\u00f3 s\u1ed5 \u2192 kh\u00f4ng t\u00e1i l\u1eadp \u0111\u01b0\u1ee3c m\u1ebb t\u1ed1t.<\/p>\n<p><em>Disclaimer:<\/em> K\u1ebft qu\u1ea3 lab m\u00f4 ph\u1ecfng. Scale plant ph\u1ee5 thu\u1ed9c G-value, \u0111i\u1ec3m ch\u00e2m, th\u1eddi gian l\u01b0u, c\u00e1nh khu\u1ea5y m\u00f2n. \u0110i\u1ec1u ch\u1ec9nh 10\u201320% v\u00e0 x\u00e1c nh\u1eadn c\u1eeda ra \u2014 kh\u00f4ng copy nguy\u00ean ml lab th\u00e0nh SOP nh\u00e0 m\u00e1y.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Bang_7_loi_jar-test_kinh_dien\"><\/span>B\u1ea3ng 7 l\u1ed7i jar-test kinh \u0111i\u1ec3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-table\">\n<table>\n  <thead>\n    <tr><th>L\u1ed7i<\/th><th>Hi\u1ec7n t\u01b0\u1ee3ng<\/th><th>T\u1ed1n ti\u1ec1n<\/th><th>Vi\u1ec7c ki\u1ec3m<\/th><\/tr>\n  <\/thead>\n  <tbody>\n    <tr><td>1. N\u01b0\u1edbc \u0111\u1ee5c sau keo t\u1ee5<\/td><td>H\u1ea1t l\u01a1 l\u1eedng, b\u00f4ng kh\u00f4ng ra<\/td><td>H\u00f3a v\u00f4 d\u1ee5ng + c\u1eeda ra fail<\/td><td>pH, li\u1ec1u, lo\u1ea1i coagulant<\/td><\/tr>\n    <tr><td>2. B\u00f4ng nh\u1ecf, d\u1ec5 v\u1ee1<\/td><td>B\u00f4ng li ti, l\u1eafng ch\u1eadm<\/td><td>Qu\u00e1 t\u1ea3i l\u1eafng\/l\u1ecdc, polymer d\u01b0 m\u00f9<\/td><td>rpm ch\u1eadm, polymer, th\u1eddi gian<\/td><\/tr>\n    <tr><td>3. B\u00f9n n\u1ed5i<\/td><td>V\u00e1ng b\u00f9n m\u1eb7t c\u1ed1c<\/td><td>M\u00e1ng thu b\u1ea9n, TSS c\u1eeda ra<\/td><td>pH qu\u00e1 th\u1ea5p, polymer qu\u00e1 li\u1ec1u, kh\u00ed<\/td><\/tr>\n    <tr><td>4. pH l\u1ec7ch c\u1eeda s\u1ed5<\/td><td>Ch\u00e2m h\u00f3a \u201ckh\u00f4ng \u0103n\u201d<\/td><td>100% l\u00f4 h\u00f3a l\u00e3ng ph\u00ed<\/td><td>pH meter, c\u1eeda s\u1ed5 PAC\/s\u1eaft<\/td><\/tr>\n    <tr><td>5. Qu\u00e1 li\u1ec1u \/ t\u00e1i \u1ed5n \u0111\u1ecbnh<\/td><td>\u0110\u1ee5c l\u1ea1i khi t\u0103ng li\u1ec1u<\/td><td>H\u00f3a x2 m\u00e0 n\u01b0\u1edbc x\u1ea5u h\u01a1n<\/td><td>D\u1ea3i li\u1ec1u r\u1ed9ng, ch\u1ecdn min \u0111\u1ee7<\/td><\/tr>\n    <tr><td>6. Sai th\u1ee9 t\u1ef1 ch\u00e2m<\/td><td>\u0110\u00fang h\u00f3a, v\u1eabn b\u00f4ng k\u00e9m<\/td><td>T\u0103ng li\u1ec1u b\u00f9 quy tr\u00ecnh sai<\/td><td>pH \u2192 keo t\u1ee5 \u2192 polymer<\/td><\/tr>\n    <tr><td>7. M\u1eabu \/ stock sai<\/td><td>Lab \u0111\u1eb9p, plant fail<\/td><td>Mua sai, v\u1eadn h\u00e0nh l\u1ec7ch nhi\u1ec1u ng\u00e0y<\/td><td>\u0110i\u1ec3m l\u1ea5y m\u1eabu, stock trong ng\u00e0y<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/figure>\n\n<h2><span class=\"ez-toc-section\" id=\"Loi_1_nuoc_duc_sau_keo_tu\"><\/span>L\u1ed7i 1: n\u01b0\u1edbc \u0111\u1ee5c sau keo t\u1ee5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Hi\u1ec7n t\u01b0\u1ee3ng:<\/strong> Sau l\u1eafng, ph\u1ea7n tr\u00ean v\u1eabn \u0111\u1ee5c m\u1edd, h\u1ea1t li ti kh\u00f4ng k\u1ebft b\u00f4ng.<\/p>\n<p><strong>T\u1ed1n ti\u1ec1n:<\/strong> <a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/pac-tenor-31-trung-quoc-25kg-bao\/\">PAC<\/a> \uc544\ub2c8\uba74 <a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/fecl2-sat-ii-clorua\/\">FeCl2 CAS 7758-94-3<\/a> \u0111\u00e3 v\u00e0o c\u1ed1c nh\u01b0ng ch\u01b0a trung h\u00f2a keo \u2014 h\u00f3a \u0111i, ch\u1ec9 ti\u00eau kh\u00f4ng v\u1ec1.<\/p>\n<p><strong>K\u1ef9 s\u01b0 l\u00e0m g\u00ec:<\/strong> \u0111o l\u1ea1i pH; n\u1edbi d\u1ea3i li\u1ec1u (c\u1ea3 th\u1ea5p l\u1eabn cao); n\u1ebfu v\u1eabn \u201ckh\u00f4ng \u0103n\u201d, \u0111\u1ed5i h\u1ecd coagulant \u2014 tham <a href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-vs-feso4-vs-pac\/\">so s\u00e1nh FeCl2, FeSO4 v\u00e0 PAC<\/a>.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Loi_2_bong_nho_de_vo\"><\/span>L\u1ed7i 2: b\u00f4ng nh\u1ecf, d\u1ec5 v\u1ee1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Hi\u1ec7n t\u01b0\u1ee3ng:<\/strong> N\u01b0\u1edbc h\u01a1i trong nh\u01b0ng b\u00f4ng nh\u1eb9, v\u1ee1 khi khu\u1ea5y, l\u1eafng k\u00e9m.<\/p>\n<p><strong>T\u1ed1n ti\u1ec1n:<\/strong> B\u00f4ng tr\u00f4i sang l\u1eafng\/l\u1ecdc \u2192 t\u1eafc, COD\/TSS nh\u1ea3y, ch\u1ea1y l\u1ea1i m\u1ebb.<\/p>\n<p><strong>K\u1ef9 s\u01b0 l\u00e0m g\u00ec:<\/strong> th\u1eed polymer anion\/cation \u0111\u00fang \u0111i\u1ec7n t\u00edch b\u00f4ng; h\u1ea1 rpm khu\u1ea5y ch\u1eadm; k\u00e9o d\u00e0i 5\u201310 ph\u00fat t\u1ea1o b\u00f4ng \u2014 tr\u00e1nh \u201ckhu\u1ea5y m\u1ea1nh cho nhanh\u201d. N\u1ebfu b\u00f4ng to lab nh\u01b0ng plant v\u1eabn m\u1ea3nh, ki\u1ec3m c\u00e1nh khu\u1ea5y m\u00f2n v\u00e0 \u0111i\u1ec3m ch\u00e2m l\u1ec7ch d\u00f2ng \u2014 lab kh\u00f4ng c\u1ee9u \u0111\u01b0\u1ee3c tr\u1ed9n k\u00e9m.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Loi_3_bun_noi_sau_lang\"><\/span>L\u1ed7i 3: b\u00f9n n\u1ed5i sau l\u1eafng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Hi\u1ec7n t\u01b0\u1ee3ng:<\/strong> B\u00f4ng n\u1ed5i v\u00e1ng thay v\u00ec l\u1eafng \u0111\u00e1y.<\/p>\n<p><strong>T\u1ed1n ti\u1ec1n:<\/strong> M\u00e1ng thu b\u1ea9n, v\u00e1ng cu\u1ed1n c\u1eeda ra, nh\u00e2n c\u00f4ng v\u1edbt.<\/p>\n<p><strong>K\u1ef9 s\u01b0 l\u00e0m g\u00ec:<\/strong> ki\u1ec3m pH (qu\u00e1 axit c\u00f3 th\u1ec3 sinh kh\u00ed b\u00e1m b\u00f4ng); gi\u1ea3m polymer qu\u00e1 li\u1ec1u; nghi ng\u1edd kh\u00ed vi sinh n\u1ebfu m\u1eabu l\u01b0u k\u1ef5 kh\u00ed l\u00e2u \u2014 ghi ch\u00fa tr\u00ean s\u1ed5, kh\u00f4ng ch\u1ec9 \u201cth\u00eam h\u00f3a\u201d.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Loi_4_pH_lech_cua_so_keo_tu\"><\/span>L\u1ed7i 4: pH l\u1ec7ch c\u1eeda s\u1ed5 keo t\u1ee5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Hi\u1ec7n t\u01b0\u1ee3ng:<\/strong> Ch\u00e2m <a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/pac-tenor-31-trung-quoc-25kg-bao\/\">PAC<\/a>\/s\u1eaft nh\u01b0ng g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 b\u00f4ng.<\/p>\n<p><strong>T\u1ed1n ti\u1ec1n:<\/strong> To\u00e0n b\u1ed9 ml ch\u00e2m v\u00f4 ngh\u0129a.<\/p>\n<p><strong>K\u1ef9 s\u01b0 l\u00e0m g\u00ec:<\/strong> lu\u00f4n \u0111o pH tr\u01b0\u1edbc. PAC th\u01b0\u1eddng \u01b0a c\u1eeda s\u1ed5 trung t\u00ednh\u2013h\u01a1i ki\u1ec1m; Fe(II) hay c\u1ea7n pH cao h\u01a1n t\u00f9y m\u1ee5c ti\u00eau; Fe(III) linh ho\u1ea1t h\u01a1n nh\u01b0ng \u0103n m\u00f2n m\u1ea1nh. Ch\u1ec9nh pH <em>tr\u01b0\u1edbc<\/em> keo t\u1ee5, kh\u00f4ng \u0111o\u00e1n m\u00f2.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Loi_5_qua_lieu_va_tai_on_dinh\"><\/span>L\u1ed7i 5: qu\u00e1 li\u1ec1u v\u00e0 t\u00e1i \u1ed5n \u0111\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Hi\u1ec7n t\u01b0\u1ee3ng:<\/strong> Li\u1ec1u v\u1eeba th\u00ec trong; t\u0103ng ti\u1ebfp l\u1ea1i \u0111\u1ee5c (restabilization).<\/p>\n<p><strong>T\u1ed1n ti\u1ec1n:<\/strong> H\u00f3a t\u0103ng m\u00e0 n\u01b0\u1edbc x\u1ea5u h\u01a1n \u2014 OPEX k\u00e9p.<\/p>\n<p><strong>K\u1ef9 s\u01b0 l\u00e0m g\u00ec:<\/strong> d\u1ea3i li\u1ec1u r\u1ed9ng m\u1ed9t l\u1ea7n; ch\u1ecdn <strong>li\u1ec1u th\u1ea5p nh\u1ea5t \u0111\u1ea1t<\/strong>, kh\u00f4ng \u201cc\u00e0ng nhi\u1ec1u c\u00e0ng ch\u1eafc\u201d. Ghi \u0111i\u1ec3m g\u00e3y tr\u00ean bi\u1ec3u \u0111\u1ed3 s\u1ed5 lab.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Loi_6_sai_thu_tu_cham_hoa\"><\/span>L\u1ed7i 6: sai th\u1ee9 t\u1ef1 ch\u00e2m h\u00f3a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Hi\u1ec7n t\u01b0\u1ee3ng:<\/strong> \u0110\u00fang h\u00f3a, li\u1ec1u \u201cc\u00f3 v\u1ebb \u0111\u00fang\u201d nh\u01b0ng b\u00f4ng l\u1ecfng.<\/p>\n<p><strong>T\u1ed1n ti\u1ec1n:<\/strong> T\u0103ng li\u1ec1u b\u00f9 cho quy tr\u00ecnh sai \u2014 polymer v\u00e0 coagulant \u0103n nhau s\u1edbm.<\/p>\n<p><strong>K\u1ef9 s\u01b0 l\u00e0m g\u00ec:<\/strong> th\u1ee9 t\u1ef1 chu\u1ea9n lab: <strong>pH \u2192 coagulant + khu\u1ea5y nhanh \u2192 polymer \u1edf \u0111\u1ea7u khu\u1ea5y ch\u1eadm<\/strong>. Kh\u00f4ng b\u01a1m c\u1ea3 hai v\u00e0o m\u1ed9t c\u1ed1c c\u00f9ng l\u00fac.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Loi_7_mau_khong_dai_dien_stock_sai\"><\/span>L\u1ed7i 7: m\u1eabu kh\u00f4ng \u0111\u1ea1i di\u1ec7n \/ stock sai<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Hi\u1ec7n t\u01b0\u1ee3ng:<\/strong> Lab \u0111\u1eb9p, plant fail.<\/p>\n<p><strong>T\u1ed1n ti\u1ec1n:<\/strong> Mua l\u00f4, ch\u00e2m c\u1ea3 ca theo s\u1ed1 sai \u2014 l\u1ed7 l\u1edbn h\u01a1n m\u1ed9t m\u1ebb lab.<\/p>\n<p><strong>K\u1ef9 s\u01b0 l\u00e0m g\u00ec:<\/strong> l\u1ea5y m\u1eabu \u0111\u1ea7u b\u1ec3 ph\u1ea3n \u1ee9ng, \u01b0u ti\u00ean t\u1ea3i \u0111\u1ec9nh; pha stock m\u1edbi trong ng\u00e0y (polymer k\u00e9m b\u1ec1n); c\u00e2n\u2013\u0111ong ch\u00ednh x\u00e1c. Tham th\u00eam <a href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-xu-ly-nuoc-thai\/\">li\u1ec1u FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/a> khi \u0111\u00e3 kh\u00f3a \u0111\u00fang h\u00f3a tr\u1ecb II sau jar-test.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Khi_nao_phai_jar-test_lai\"><\/span>Khi n\u00e0o ph\u1ea3i jar-test l\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n  <li>C\u1eeda ra \u0111\u1ee5c\/COD\/m\u00e0u l\u1ec7ch d\u00f9 setpoint b\u01a1m kh\u00f4ng \u0111\u1ed5i.<\/li>\n  <li>\u0110\u1ed5i m\u00e3 m\u00e0u, nguy\u00ean li\u1ec7u, ca s\u1ea3n xu\u1ea5t, m\u00f9a m\u01b0a\u2013n\u1eafng.<\/li>\n  <li>\u0110\u1ed5i l\u00f4\/vendor h\u00f3a ho\u1eb7c n\u1ed3ng \u0111\u1ed9 COA l\u1ec7ch.<\/li>\n  <li>Sau b\u1ea3o tr\u00ec c\u00e1nh khu\u1ea5y, \u0111\u1ed5i \u0111i\u1ec3m ch\u00e2m, c\u1ea3i t\u1ea1o b\u1ec3.<\/li>\n  <li>Th\u1eed h\u1ecd coagulant m\u1edbi (PAC \u2194 s\u1eaft) tr\u01b0\u1edbc khi scale plant.<\/li>\n<\/ul>\n\n<h2><span class=\"ez-toc-section\" id=\"PAC_FeCl2_FeCl3_%E2%80%94_khi_nao_fit\"><\/span>PAC, FeCl2, FeCl3 \u2014 khi n\u00e0o fit<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n  <li><strong><a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/pac-tenor-31-trung-quoc-25kg-bao\/\">PAC 31% (CAS 1327-41-9)<\/a>:<\/strong> ph\u1ed5 bi\u1ebfn cho \u0111\u1ee5c, m\u00e0u, SS nhi\u1ec1u ng\u00e0nh; d\u1ea3i pH th\u00e2n thi\u1ec7n; b\u00f4ng th\u01b0\u1eddng to, d\u1ec5 l\u1eafng. Kh\u00f4ng ph\u1ea3i \u201cch\u1eefa m\u1ecdi th\u1ea3i\u201d.<\/li>\n  <li><strong><a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/fecl2-sat-ii-clorua\/\">FeCl2 (CAS 7758-94-3)<\/a>:<\/strong> khi c\u1ea7n Fe\u00b2\u207a \u2014 phosphate, m\u1ed9t s\u1ed1 m\u00e0u, kh\u1eed\/Fenton\/Cr6+ (sau khi lab kh\u00f3a). B\u00f9n v\u00e0 pH c\u00f3 th\u1ec3 kh\u00e1c PAC; xem <a href=\"https:\/\/hoachatlocthien.com\/ko\/fecl2-xu-ly-nuoc-thai\/\">\u1ee9ng d\u1ee5ng FeCl2 XLNT<\/a>.<\/li>\n  <li><strong><a href=\"https:\/\/hoachatlocthien.com\/ko\/product\/fecl3-sat-iii-chloride\/\">FeCl3 l\u1ecfng (CAS 7705-08-0)<\/a>:<\/strong> keo t\u1ee5 Fe(III) m\u1ea1nh, \u0103n m\u00f2n cao \u2014 ch\u1ec9 khi jar-test th\u1eafng v\u00e0 v\u1eadt li\u1ec7u b\u01a1m\/\u1ed1ng ch\u1ecbu \u0111\u01b0\u1ee3c.<\/li>\n  <li><strong>NaOH:<\/strong> c\u00f4ng c\u1ee5 pH, kh\u00f4ng thay coagulant.<\/li>\n<\/ul>\n<p>C\u00e1ch trung th\u1ef1c nh\u1ea5t: jar-test song song 2\u20133 h\u1ecd h\u00f3a tr\u00ean <em>c\u00f9ng m\u1eabu<\/em>, r\u1ed3i m\u1edbi ch\u1ed1t RFQ. M\u1ed9t h\u00f3a \u201cth\u1eafng\u201d tr\u00ean n\u01b0\u1edbc d\u1ec7t ch\u01b0a ch\u1eafc th\u1eafng n\u01b0\u1edbc xi m\u1ea1 hay th\u1ef1c ph\u1ea9m \u2014 \u0111\u1eebng copy li\u1ec1u nh\u00e0 m\u00e1y kh\u00e1c.<\/p>\n<p>Khi \u0111\u00e3 c\u00f3 c\u1ed1c th\u1eafng, \u0111\u1ed1i chi\u1ebfu th\u00eam chi ph\u00ed b\u00f9n c\u1ea3m t\u00ednh: c\u1ed1c n\u00e0o b\u00f4ng ch\u1eb7t, th\u1ec3 t\u00edch b\u00f9n \u0111\u00e1y \u00edt h\u01a1n th\u01b0\u1eddng d\u1ec5 \u00e9p h\u01a1n ngo\u00e0i tr\u1ea1m \u2014 \u0111\u00e2y l\u00e0 l\u00fd do \u201ch\u00f3a r\u1ebb\u201d \u0111\u00f4i khi \u0111\u1eaft h\u01a1n t\u1ed5ng OPEX.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap\"><\/span>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<h3><span class=\"ez-toc-section\" id=\"Nong_do_stock_PAC_polymer_NaOH_pha_bao_nhieu_de_jar-test\"><\/span>N\u1ed3ng \u0111\u1ed9 stock PAC, polymer, NaOH pha bao nhi\u00eau \u0111\u1ec3 jar-test?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nhi\u1ec1u lab d\u00f9ng stock ~0,5\u20131% (kh\u1ed1i l\u01b0\u1ee3ng\/th\u1ec3 t\u00edch) cho coagulant; polymer lo\u00e3ng h\u01a1n theo TDS nh\u00e0 cung c\u1ea5p. Quan tr\u1ecdng l\u00e0 <strong>c\u00f9ng quy \u01b0\u1edbc quy \u0111\u1ed5i ppm<\/strong> v\u00e0 pha trong ng\u00e0y \u2014 kh\u00f4ng copy s\u1ed1 ng\u01b0\u1eddi kh\u00e1c n\u1ebfu c\u00e2n\u2013\u0111ong kh\u00e1c.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"PAC_truoc_hay_polymer_truoc_%E2%80%94_co_quan_trong\"><\/span>PAC tr\u01b0\u1edbc hay polymer tr\u01b0\u1edbc \u2014 c\u00f3 quan tr\u1ecdng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3. H\u1ea7u h\u1ebft quy tr\u00ecnh: ch\u1ec9nh pH \u2192 ch\u00e2m PAC\/Fe + khu\u1ea5y nhanh \u2192 polymer \u1edf khu\u1ea5y ch\u1eadm. Ch\u00e2m ng\u01b0\u1ee3c ho\u1eb7c tr\u1ed9n chung d\u1ec5 l\u00e0m hai h\u00f3a \u201c\u0103n\u201d nhau thay v\u00ec \u0103n keo b\u1ea9n.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"Jar-test_nuoc_trong_nhung_COD_van_cao_%E2%80%94_vi_sao\"><\/span>Jar-test n\u01b0\u1edbc trong nh\u01b0ng COD v\u1eabn cao \u2014 v\u00ec sao?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Keo t\u1ee5 ch\u1ee7 y\u1ebfu k\u00e9o SS, m\u00e0u keo, m\u1ed9t ph\u1ea7n h\u1eefu c\u01a1 h\u1ea5p ph\u1ee5. COD h\u00f2a tan \/ kh\u00f3 ph\u00e2n h\u1ee7y c\u00f3 th\u1ec3 c\u1ea7n sinh h\u1ecdc ho\u1eb7c AOP\/Fenton \u2014 kh\u00f4ng k\u1ebft lu\u1eadn \u201cthi\u1ebfu PAC\u201d ch\u1ec9 v\u00ec COD lab cao khi n\u01b0\u1edbc \u0111\u00e3 trong.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"Polymer_anion_va_cation_dung_khi_nao\"><\/span>Polymer anion v\u00e0 cation d\u00f9ng khi n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ph\u1ee5 thu\u1ed9c \u0111i\u1ec7n t\u00edch b\u00f4ng sau keo t\u1ee5 v\u00e0 m\u1ee5c ti\u00eau (l\u1eafng vs \u00e9p b\u00f9n). Kh\u00f4ng c\u00f3 \u201ccation lu\u00f4n t\u1ed1t h\u01a1n\u201d. Th\u1eed d\u1ea3i nh\u1ecf tr\u00ean c\u00f9ng c\u1ed1c th\u1eafng coagulant.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"Nhiet_do_mau_anh_huong_jar-test_the_nao\"><\/span>Nhi\u1ec7t \u0111\u1ed9 m\u1eabu \u1ea3nh h\u01b0\u1edfng jar-test th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1eabu l\u1ea1nh\/n\u00f3ng kh\u00e1c plant l\u00e0m \u0111\u1ed9ng h\u1ecdc b\u00f4ng v\u00e0 \u0111\u1ed9 nh\u1edbt polymer l\u1ec7ch. Ghi nhi\u1ec7t \u0111\u1ed9; n\u1ebfu plant l\u1ec7ch xa, l\u1eb7p test g\u1ea7n \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf h\u01a1n.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"Da_thu_nhieu_lieu_van_khong_co_coc_dat_%E2%80%94_lam_gi\"><\/span>\u0110\u00e3 th\u1eed nhi\u1ec1u li\u1ec1u v\u1eabn kh\u00f4ng c\u00f3 c\u1ed1c \u0111\u1ea1t \u2014 l\u00e0m g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Quay l\u1ea1i n\u1ec1n: pH c\u1eeda s\u1ed5, lo\u1ea1i coagulant, stock m\u1edbi, m\u1eabu \u0111\u1ea1i di\u1ec7n. \u0110\u1eebng t\u0103ng li\u1ec1u v\u00f4 h\u1ea1n. C\u00f3 th\u1ec3 c\u1ea7n \u0111\u1ed5i h\u1ecd h\u00f3a ho\u1eb7c x\u1eed l\u00fd tr\u01b0\u1edbc (d\u1ea7u, pH shock) tr\u01b0\u1edbc khi keo t\u1ee5.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Ho_tro_jar-test_va_hoa_chat_B2B\"><\/span>H\u1ed7 tr\u1ee3 jar-test v\u00e0 h\u00f3a ch\u1ea5t B2B<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u1ebfu b\u1ea1n c\u1ea7n \u0111\u1ed1i chi\u1ebfu k\u1ebft qu\u1ea3 lab, ch\u1ecdn gi\u1eefa PAC v\u00e0 s\u1eaft clorua, ho\u1eb7c l\u1ea5y COA\/MSDS theo l\u00f4 \u2014 \u0111\u1ed9i k\u1ef9 thu\u1eadt L\u1ed9c Thi\u00ean h\u1ed7 tr\u1ee3 theo ch\u00ednh s\u00e1ch B2B (on-request), kh\u00f4ng ni\u00eam gi\u00e1 l\u1ebb c\u00f4ng khai.<\/p>\n<p>Li\u00ean h\u1ec7 hotline <a href=\"tel:0979891929\"><strong>0979 891 929<\/strong><\/a> \u00b7 b\u00e1o gi\u00e1 theo nhu c\u1ea7u v\u00e0 m\u1eabu n\u01b0\u1edbc th\u1ea3i c\u1ee7a nh\u00e0 m\u00e1y.<\/p>","protected":false},"excerpt":{"rendered":"<p>Jar test x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i l\u00e0 th\u00ed nghi\u1ec7m lab m\u00f4 ph\u1ecfng keo t\u1ee5 \u2013 t\u1ea1o b\u00f4ng \u0111\u1ec3 ch\u1ecdn lo\u1ea1i h\u00f3a ch\u1ea5t v\u00e0 li\u1ec1u t\u1ed1i \u01b0u cho m\u1eabu n\u01b0\u1edbc c\u1ee7a b\u1ea1n. Sai lab \u2192 ch\u00e2m m\u00f9 ngo\u00e0i tr\u1ea1m, h\u00f3a \u201ctr\u00f4i s\u00f4ng\u201d, b\u00f9n nhi\u1ec1u, c\u1eeda ra \u0111\u1ee5c d\u00f9 \u0111\u00e3 b\u01a1m \u0111\u1ee7. Keo t\u1ee5 nh\u00f4m th\u01b0\u1eddng d\u00f9ng [&#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":[16],"tags":[],"class_list":["post-9416","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"acf":[],"rank_math_title":"H\u01b0\u1edbng D\u1eabn Jar Test X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i: 7 L\u1ed7i Sai Khi\u1ebfn H\u00f3a Ch\u1ea5t (V\u00e0 Ti\u1ec1n) Tr\u00f4i S\u00f4ng | L\u1ed9c Thi\u00ean","rank_math_description":"H\u01b0\u1edbng d\u1eabn jar test keo t\u1ee5 n\u01b0\u1edbc th\u1ea3i: checklist, SOP 8 b\u01b0\u1edbc, 7 l\u1ed7i kinh \u0111i\u1ec3n (pH, li\u1ec1u, polymer, khu\u1ea5y). PAC \u00b7 FeCl2 CAS \u00b7 NaOH B2B \u2014 L\u1ed9c Thi\u00ean 0979 891 929.","rank_math_focus_keyword":"h\u01b0\u1edbng d\u1eabn jar test x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i","_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/posts\/9416","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=9416"}],"version-history":[{"count":1,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/posts\/9416\/revisions"}],"predecessor-version":[{"id":9417,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/posts\/9416\/revisions\/9417"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/media?parent=9416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/categories?post=9416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/ko\/wp-json\/wp\/v2\/tags?post=9416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}