{"id":9152,"date":"2026-07-06T03:52:44","date_gmt":"2026-07-05T20:52:44","guid":{"rendered":"https:\/\/hoachatlocthien.com\/fecl2-xu-ly-nuoc-thai"},"modified":"2026-07-06T03:52:44","modified_gmt":"2026-07-05T20:52:44","slug":"fecl2-xu-ly-nuoc-thai","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai","title":{"rendered":"FeCl2 \u5e9f\u6c34\u5904\u7406\uff1a\u5242\u91cf\u3001\u5e94\u7528\u548c\u53c2\u8003\u4ef7\u683c 2026"},"content":{"rendered":"<p><!-- Schema JSON-LD --><br \/>\n<script type=\"application\/ld+json\">\n[\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"Article\",\n    \"headline\": \"FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i: Li\u1ec1u L\u01b0\u1ee3ng, \u1ee8ng D\u1ee5ng & Gi\u00e1 Tham Kh\u1ea3o 2026\",\n    \"description\": \"FeCl2 (s\u1eaft II clorua) x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m, xi m\u1ea1, sinh ho\u1ea1t: li\u1ec1u 50\u2013500 mg\/L, gi\u00e1 3.000\u20135.000\u0111\/kg, Jar test mi\u1ec5n ph\u00ed. Giao TP.HCM\u2013B\u00ecnh D\u01b0\u01a1ng\u2013\u0110\u1ed3ng Nai.\",\n    \"author\": {\n      \"@type\": \"Organization\",\n      \"name\": \"H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean\",\n      \"url\": \"https:\/\/hoachatlocthien.com\"\n    },\n    \"publisher\": {\n      \"@type\": \"Organization\",\n      \"name\": \"H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean\",\n      \"url\": \"https:\/\/hoachatlocthien.com\"\n    },\n    \"datePublished\": \"2026-07-06\",\n    \"dateModified\": \"2026-07-06\",\n    \"mainEntityOfPage\": \"https:\/\/hoachatlocthien.com\/fecl2-xu-ly-nuoc-thai\/\"\n  },\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i li\u1ec1u l\u01b0\u1ee3ng bao nhi\u00eau?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Li\u1ec1u l\u01b0\u1ee3ng FeCl2 ph\u1ee5 thu\u1ed9c lo\u1ea1i n\u01b0\u1edbc th\u1ea3i: n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t\/b\u1ec7nh vi\u1ec7n d\u00f9ng 50\u2013150 mg\/L; n\u01b0\u1edbc th\u1ea3i gi\u1ea5y & b\u1ed9t gi\u1ea5y 100\u2013300 mg\/L; n\u01b0\u1edbc th\u1ea3i d\u1ea7u kh\u00ed 100\u2013250 mg\/L; n\u01b0\u1edbc th\u1ea3i xi m\u1ea1 (giai \u0111o\u1ea1n 1) 150\u2013400 mg\/L; n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m 200\u2013500 mg\/L. C\u1ea7n th\u1ef1c hi\u1ec7n Jar test \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec1u t\u1ed1i \u01b0u cho t\u1eebng ngu\u1ed3n n\u01b0\u1edbc c\u1ee5 th\u1ec3.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"FeCl2 hay PAC x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i t\u1ed1t h\u01a1n?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"FeCl2 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n PAC trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p \u00f4 nhi\u1ec5m n\u1eb7ng, \u0111\u1eb7c bi\u1ec7t n\u01b0\u1edbc th\u1ea3i ch\u1ee9a Cr6+ (xi m\u1ea1) v\u00e0 n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m m\u00e0u \u0111\u1eadm v\u00ec c\u00f3 kh\u1ea3 n\u0103ng kh\u1eed h\u00f3a h\u1ecdc ngo\u00e0i keo t\u1ee5. PAC ph\u00f9 h\u1ee3p h\u01a1n cho n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t ho\u1eb7c n\u01b0\u1edbc c\u1ea5p nh\u1edd b\u00f4ng c\u1eb7n ch\u1eafc v\u00e0 \u00edt \u1ea3nh h\u01b0\u1edfng pH. FeCl2 c\u00f3 gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n (~3.000\u20135.000 \u0111\/kg) so v\u1edbi PAC (~4.000\u20138.000 \u0111\/kg).\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Mua FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u1edf \u0111\u00e2u t\u1ea1i TP.HCM B\u00ecnh D\u01b0\u01a1ng?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean cung c\u1ea5p FeCl2 dung d\u1ecbch 25\u201330% v\u1edbi kho h\u00e0ng t\u1ea1i TP.HCM, B\u00ecnh D\u01b0\u01a1ng v\u00e0 \u0110\u1ed3ng Nai. Giao h\u00e0ng to\u00e0n qu\u1ed1c, h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt, Jar test mi\u1ec5n ph\u00ed. Li\u00ean h\u1ec7 hotline ho\u1eb7c \u0111\u1eb7t h\u00e0ng tr\u1ef1c ti\u1ebfp t\u1ea1i website hoachatlocthien.com.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i gi\u00e1 bao nhi\u00eau?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Gi\u00e1 FeCl2 dung d\u1ecbch 30% tham kh\u1ea3o n\u0103m 2026: phuy 200L gi\u00e1 3.000\u20135.000 \u0111\/kg; b\u1ed3n IBC 1.000L gi\u00e1 2.800\u20134.500 \u0111\/kg. Gi\u00e1 c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed9ng theo th\u1ecb tr\u01b0\u1eddng nguy\u00ean li\u1ec7u. Li\u00ean h\u1ec7 L\u1ed9c Thi\u00ean \u0111\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 ch\u00ednh x\u00e1c v\u00e0 \u01b0u \u0111\u00e3i theo s\u1ea3n l\u01b0\u1ee3ng.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"FeCl2 c\u00f3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m ch\u1ee9a Cr6+ kh\u00f4ng?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"C\u00f3. FeCl2 x\u1eed l\u00fd \u0111\u01b0\u1ee3c c\u1ea3 n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m (qua c\u01a1 ch\u1ebf keo t\u1ee5 v\u00e0 Fenton AOP kh\u1eed m\u00e0u 90\u201398%) l\u1eabn n\u01b0\u1edbc th\u1ea3i xi m\u1ea1 ch\u1ee9a Cr6+ (qua c\u01a1 ch\u1ebf kh\u1eed h\u00f3a h\u1ecdc: 3 mol Fe\u00b2\u207a kh\u1eed 1 mol Cr6+ \u1edf pH 2\u20132.5, sau \u0111\u00f3 n\u00e2ng pH 8\u20139 k\u1ebft t\u1ee7a Cr(OH)\u2083). S\u1ea3n ph\u1ea9m \u0111\u1ea1t QCVN 40:2011 c\u1ed9t A v\u1edbi Cr6+ < 0.05 mg\/L.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"Jar test FeCl2 mi\u1ec5n ph\u00ed c\u00f3 kh\u00f4ng?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"C\u00f3. H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean cung c\u1ea5p d\u1ecbch v\u1ee5 Jar test mi\u1ec5n ph\u00ed \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec1u l\u01b0\u1ee3ng FeCl2 t\u1ed1i \u01b0u cho t\u1eebng lo\u1ea1i n\u01b0\u1edbc th\u1ea3i. Kh\u00e1ch h\u00e0ng g\u1eedi m\u1eabu n\u01b0\u1edbc ho\u1eb7c \u0111\u1eb7t l\u1ecbch k\u1ef9 thu\u1eadt vi\u00ean \u0111\u1ebfn hi\u1ec7n tr\u01b0\u1eddng. Li\u00ean h\u1ec7 hotline \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.\"\n        }\n      }\n    ]\n  },\n  {\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"HowTo\",\n    \"name\": \"Quy Tr\u00ecnh Ch\u00e2m FeCl2 V\u00e0o H\u1ec7 Th\u1ed1ng X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i\",\n    \"description\": \"H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc pha v\u00e0 ch\u00e2m FeCl2 v\u00e0o h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p \u0111\u00fang k\u1ef9 thu\u1eadt.\",\n    \"step\": [\n      {\n        \"@type\": \"HowToStep\",\n        \"position\": 1,\n        \"name\": \"Pha lo\u00e3ng FeCl2\",\n        \"text\": \"Pha lo\u00e3ng FeCl2 dung d\u1ecbch 30% xu\u1ed1ng c\u00f2n 5\u201310% b\u1eb1ng n\u01b0\u1edbc s\u1ea1ch tr\u01b0\u1edbc khi b\u01a1m v\u00e0o h\u1ec7 th\u1ed1ng. T\u1ef7 l\u1ec7 pha: 1 ph\u1ea7n FeCl2 + 2\u20135 ph\u1ea7n n\u01b0\u1edbc.\"\n      },\n      {\n        \"@type\": \"HowToStep\",\n        \"position\": 2,\n        \"name\": \"Ki\u1ec3m tra pH \u0111\u1ea7u v\u00e0o\",\n        \"text\": \"\u0110o pH n\u01b0\u1edbc th\u1ea3i \u0111\u1ea7u v\u00e0o. \u0110i\u1ec1u ch\u1ec9nh pH v\u1ec1 m\u1ee9c ph\u00f9 h\u1ee3p: pH 2\u20132.5 cho kh\u1eed Cr6+; pH 3\u20133.5 cho Fenton AOP; pH 6\u20138 cho keo t\u1ee5 th\u00f4ng th\u01b0\u1eddng.\"\n      },\n      {\n        \"@type\": \"HowToStep\",\n        \"position\": 3,\n        \"name\": \"Ch\u00e2m FeCl2 v\u00e0 khu\u1ea5y nhanh\",\n        \"text\": \"Ch\u00e2m FeCl2 \u0111\u00e3 pha lo\u00e3ng v\u00e0o b\u1ec3 ph\u1ea3n \u1ee9ng. Khu\u1ea5y nhanh (100\u2013150 rpm) trong 1\u20132 ph\u00fat \u0111\u1ec3 ph\u00e2n t\u00e1n \u0111\u1ec1u h\u00f3a ch\u1ea5t v\u00e0 t\u1ea1o b\u00f4ng c\u1eb7n ban \u0111\u1ea7u.\"\n      },\n      {\n        \"@type\": \"HowToStep\",\n        \"position\": 4,\n        \"name\": \"Khu\u1ea5y ch\u1eadm v\u00e0 l\u1eafng\",\n        \"text\": \"Gi\u1ea3m t\u1ed1c \u0111\u1ed9 khu\u1ea5y xu\u1ed1ng 20\u201340 rpm trong 15\u201320 ph\u00fat \u0111\u1ec3 b\u00f4ng c\u1eb7n ph\u00e1t tri\u1ec3n l\u1edbn. Sau \u0111\u00f3 \u0111\u1ec3 l\u1eafng t\u0129nh 30\u201360 ph\u00fat.\"\n      },\n      {\n        \"@type\": \"HowToStep\",\n        \"position\": 5,\n        \"name\": \"Ki\u1ec3m tra v\u00e0 hi\u1ec7u ch\u1ec9nh\",\n        \"text\": \"L\u1ea5y m\u1eabu n\u01b0\u1edbc sau l\u1eafng ki\u1ec3m tra c\u00e1c ch\u1ec9 ti\u00eau (COD, m\u00e0u, Cr6+...). So s\u00e1nh v\u1edbi QCVN t\u01b0\u01a1ng \u1ee9ng. \u0110i\u1ec1u ch\u1ec9nh li\u1ec1u FeCl2 n\u1ebfu c\u1ea7n thi\u1ebft d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 ph\u00e2n t\u00edch.\"\n      }\n    ]\n  }\n]\n<\/script><\/p>\n<p>FeCl2 (s\u1eaft II clorua) l\u00e0 h\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i t\u1ea1i c\u00e1c nh\u00e0 m\u00e1y d\u1ec7t nhu\u1ed9m, xi m\u1ea1, gi\u1ea5y, d\u1ea7u kh\u00ed v\u00e0 h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t t\u1eadp trung. C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a FeCl2 g\u1ed3m keo t\u1ee5 t\u1ea1o b\u00f4ng, kh\u1eed h\u00f3a h\u1ecdc Cr6+ v\u00e0 ph\u1ea3n \u1ee9ng Fenton AOP \u0111\u1ec3 ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac ph\u00e2n t\u1eed m\u00e0u h\u1eefu c\u01a1. Li\u1ec1u l\u01b0\u1ee3ng FeCl2 dao \u0111\u1ed9ng t\u1eeb 50 mg\/L (sinh ho\u1ea1t) \u0111\u1ebfn 500 mg\/L (d\u1ec7t nhu\u1ed9m t\u1ea3i \u00f4 nhi\u1ec5m cao), c\u1ea7n Jar test x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c cho t\u1eebng ngu\u1ed3n n\u01b0\u1edbc. Gi\u00e1 FeCl2 dung d\u1ecbch 30% tham kh\u1ea3o 2026: 3.000\u20135.000 \u0111\/kg (phuy 200L) v\u00e0 2.800\u20134.500 \u0111\/kg (IBC 1.000L). H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean cung c\u1ea5p FeCl2 ch\u1ea5t l\u01b0\u1ee3ng cao, giao kho TP.HCM, B\u00ecnh D\u01b0\u01a1ng v\u00e0 \u0110\u1ed3ng Nai, h\u1ed7 tr\u1ee3 Jar test mi\u1ec5n ph\u00ed v\u00e0 t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt cho k\u1ef9 s\u01b0 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i.<\/p>\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\/zh\/fecl2-xu-ly-nuoc-thai\/#FeCl2_Xu_Ly_Nuoc_Thai_La_Gi_Co_Che_Hoat_Dong\" title=\"FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i L\u00e0 G\u00ec? C\u01a1 Ch\u1ebf Ho\u1ea1t \u0110\u1ed9ng\">FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i L\u00e0 G\u00ec? C\u01a1 Ch\u1ebf Ho\u1ea1t \u0110\u1ed9ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#1_Keo_tu_tao_bong_Coagulation-Flocculation\" title=\"1. Keo t\u1ee5 t\u1ea1o b\u00f4ng (Coagulation-Flocculation)\">1. Keo t\u1ee5 t\u1ea1o b\u00f4ng (Coagulation-Flocculation)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#2_Khu_hoa_hoc_Cr6_Chromate_Reduction\" title=\"2. Kh\u1eed h\u00f3a h\u1ecdc Cr6+ (Chromate Reduction)\">2. Kh\u1eed h\u00f3a h\u1ecdc Cr6+ (Chromate Reduction)<\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#3_Phan_ung_Fenton_Fenton_Advanced_Oxidation\" title=\"3. Ph\u1ea3n \u1ee9ng Fenton (Fenton Advanced Oxidation)\">3. Ph\u1ea3n \u1ee9ng Fenton (Fenton Advanced Oxidation)<\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#Lieu_Luong_FeCl2_Xu_Ly_Nuoc_Thai_%E2%80%94_Bang_Dinh_Muc_Theo_Loai_Nuoc_Thai\" title=\"Li\u1ec1u L\u01b0\u1ee3ng FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i \u2014 B\u1ea3ng \u0110\u1ecbnh M\u1ee9c Theo Lo\u1ea1i N\u01b0\u1edbc Th\u1ea3i\">Li\u1ec1u L\u01b0\u1ee3ng FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i \u2014 B\u1ea3ng \u0110\u1ecbnh M\u1ee9c Theo Lo\u1ea1i N\u01b0\u1edbc Th\u1ea3i<\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#FeCl2_Xu_Ly_Nuoc_Thai_Det_Nhuom\" title=\"FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i D\u1ec7t Nhu\u1ed9m\">FeCl2 X\u1eed L\u00fd 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-7\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#Co_che_FeCl2_trong_nuoc_thai_det_nhuom\" title=\"C\u01a1 ch\u1ebf FeCl2 trong n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m\">C\u01a1 ch\u1ebf FeCl2 trong 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-8\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#Tieu_chuan_ZDHC_va_yeu_cau_quoc_te\" title=\"Ti\u00eau chu\u1ea9n ZDHC v\u00e0 y\u00eau c\u1ea7u qu\u1ed1c t\u1ebf\">Ti\u00eau chu\u1ea9n ZDHC v\u00e0 y\u00eau c\u1ea7u qu\u1ed1c t\u1ebf<\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#FeCl2_Xu_Ly_Nuoc_Thai_Xi_Ma_%E2%80%94_Khu_Cr6\" title=\"FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i Xi M\u1ea1 \u2014 Kh\u1eed Cr6+\">FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i Xi M\u1ea1 \u2014 Kh\u1eed Cr6+<\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#Quy_trinh_2_giai_doan\" title=\"Quy tr\u00ecnh 2 giai \u0111o\u1ea1n\">Quy tr\u00ecnh 2 giai \u0111o\u1ea1n<\/a><\/li><\/ul><\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#FeCl2_Xu_Ly_Nuoc_Thai_Sinh_Hoat_Va_Benh_Vien\" title=\"FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i Sinh Ho\u1ea1t V\u00e0 B\u1ec7nh Vi\u1ec7n\">FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i Sinh Ho\u1ea1t V\u00e0 B\u1ec7nh Vi\u1ec7n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#Co_che_khu_phospho_bang_FeCl2\" title=\"C\u01a1 ch\u1ebf kh\u1eed phospho b\u1eb1ng FeCl2\">C\u01a1 ch\u1ebf kh\u1eed phospho b\u1eb1ng FeCl2<\/a><\/li><\/ul><\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#FeCl2_Hay_PAC_Hay_FeSO4_So_Sanh_Nhanh\" title=\"FeCl2 Hay PAC Hay FeSO4? So S\u00e1nh Nhanh\">FeCl2 Hay PAC Hay FeSO4? So S\u00e1nh Nhanh<\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#Quy_Trinh_Cham_FeCl2_Vao_He_Thong_Xu_Ly\" title=\"Quy Tr\u00ecnh Ch\u00e2m FeCl2 V\u00e0o H\u1ec7 Th\u1ed1ng X\u1eed L\u00fd\">Quy Tr\u00ecnh Ch\u00e2m FeCl2 V\u00e0o H\u1ec7 Th\u1ed1ng 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-15\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#Buoc_1_Pha_loang_FeCl2_truoc_khi_bom\" title=\"B\u01b0\u1edbc 1: Pha lo\u00e3ng FeCl2 tr\u01b0\u1edbc khi b\u01a1m\">B\u01b0\u1edbc 1: Pha lo\u00e3ng FeCl2 tr\u01b0\u1edbc khi b\u01a1m<\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#Buoc_2_Kiem_tra_va_dieu_chinh_pH_dau_vao\" title=\"B\u01b0\u1edbc 2: Ki\u1ec3m tra v\u00e0 \u0111i\u1ec1u ch\u1ec9nh pH \u0111\u1ea7u v\u00e0o\">B\u01b0\u1edbc 2: Ki\u1ec3m tra v\u00e0 \u0111i\u1ec1u ch\u1ec9nh pH \u0111\u1ea7u v\u00e0o<\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#Buoc_3_Cham_FeCl2_va_khuay_nhanh\" title=\"B\u01b0\u1edbc 3: Ch\u00e2m FeCl2 v\u00e0 khu\u1ea5y nhanh\">B\u01b0\u1edbc 3: Ch\u00e2m FeCl2 v\u00e0 khu\u1ea5y nhanh<\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#Buoc_4_Khuay_cham_va_de_lang\" title=\"B\u01b0\u1edbc 4: Khu\u1ea5y ch\u1eadm v\u00e0 \u0111\u1ec3 l\u1eafng\">B\u01b0\u1edbc 4: Khu\u1ea5y ch\u1eadm v\u00e0 \u0111\u1ec3 l\u1eafng<\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#Buoc_5_Kiem_tra_ket_qua_va_hieu_chinh_lieu\" title=\"B\u01b0\u1edbc 5: Ki\u1ec3m tra k\u1ebft qu\u1ea3 v\u00e0 hi\u1ec7u ch\u1ec9nh li\u1ec1u\">B\u01b0\u1edbc 5: Ki\u1ec3m tra k\u1ebft qu\u1ea3 v\u00e0 hi\u1ec7u ch\u1ec9nh li\u1ec1u<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#Gia_FeCl2_Xu_Ly_Nuoc_Thai_Tham_Khao_2026\" title=\"Gi\u00e1 FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i Tham Kh\u1ea3o 2026\">Gi\u00e1 FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i Tham Kh\u1ea3o 2026<\/a><\/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\/zh\/fecl2-xu-ly-nuoc-thai\/#Mua_FeCl2_Xu_Ly_Nuoc_Thai_O_Dau\" title=\"Mua FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i \u1ede \u0110\u00e2u?\">Mua FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i \u1ede \u0110\u00e2u?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#Ly_do_chon_Loc_Thien\" title=\"L\u00fd do ch\u1ecdn L\u1ed9c Thi\u00ean\">L\u00fd do ch\u1ecdn L\u1ed9c Thi\u00ean<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#Thong_tin_lien_he\" title=\"Th\u00f4ng tin li\u00ean h\u1ec7\">Th\u00f4ng tin li\u00ean h\u1ec7<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#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-25\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#FeCl2_xu_ly_nuoc_thai_lieu_luong_bao_nhieu\" title=\"FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i li\u1ec1u l\u01b0\u1ee3ng bao nhi\u00eau?\">FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i li\u1ec1u l\u01b0\u1ee3ng bao nhi\u00eau?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#FeCl2_hay_PAC_xu_ly_nuoc_thai_tot_hon\" title=\"FeCl2 hay PAC x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i t\u1ed1t h\u01a1n?\">FeCl2 hay PAC x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i t\u1ed1t h\u01a1n?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#Mua_FeCl2_xu_ly_nuoc_thai_o_dau_tai_TPHCM_Binh_Duong\" title=\"Mua FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u1edf \u0111\u00e2u t\u1ea1i TP.HCM, B\u00ecnh D\u01b0\u01a1ng?\">Mua FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u1edf \u0111\u00e2u t\u1ea1i TP.HCM, B\u00ecnh D\u01b0\u01a1ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#FeCl2_xu_ly_nuoc_thai_gia_bao_nhieu_nam_2026\" title=\"FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i gi\u00e1 bao nhi\u00eau n\u0103m 2026?\">FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i gi\u00e1 bao nhi\u00eau n\u0103m 2026?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#FeCl2_co_xu_ly_duoc_nuoc_thai_det_nhuom_chua_Cr6_khong\" title=\"FeCl2 c\u00f3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m ch\u1ee9a Cr6+ kh\u00f4ng?\">FeCl2 c\u00f3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m ch\u1ee9a Cr6+ kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#Jar_test_FeCl2_mien_phi_co_khong\" title=\"Jar test FeCl2 mi\u1ec5n ph\u00ed c\u00f3 kh\u00f4ng?\">Jar test FeCl2 mi\u1ec5n ph\u00ed c\u00f3 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-31\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-xu-ly-nuoc-thai\/#Ket_Luan\" title=\"K\u1ebft Lu\u1eadn\">K\u1ebft Lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"FeCl2_Xu_Ly_Nuoc_Thai_La_Gi_Co_Che_Hoat_Dong\"><\/span>FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i L\u00e0 G\u00ec? C\u01a1 Ch\u1ebf Ho\u1ea1t \u0110\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>FeCl2 \u2014 s\u1eaft(II) clorua hay c\u00f2n g\u1ecdi l\u00e0 s\u1eaft hai clorua \u2014 l\u00e0 mu\u1ed1i v\u00f4 c\u01a1 c\u00f3 c\u00f4ng th\u1ee9c FeCl\u2082, th\u01b0\u1eddng t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng dung d\u1ecbch 25\u201330% m\u00e0u v\u00e0ng l\u1ee5c nh\u1ea1t. Trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, FeCl2 ho\u1ea1t \u0111\u1ed9ng theo ba c\u01a1 ch\u1ebf ch\u00ednh:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Keo_tu_tao_bong_Coagulation-Flocculation\"><\/span>1. Keo t\u1ee5 t\u1ea1o b\u00f4ng (Coagulation-Flocculation)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi ch\u00e2m v\u00e0o n\u01b0\u1edbc th\u1ea3i, Fe\u00b2\u207a b\u1ecb oxy h\u00f3a th\u00e0nh Fe\u00b3\u207a v\u00e0 th\u1ee7y ph\u00e2n t\u1ea1o th\u00e0nh hydroxide s\u1eaft Fe(OH)\u2083 \u2014 m\u1ed9t keo d\u01b0\u01a1ng \u0111i\u1ec7n m\u1ea1nh. Keo n\u00e0y h\u1ea5p ph\u1ee5 v\u00e0 trung h\u00f2a \u0111i\u1ec7n t\u00edch \u00e2m c\u1ee7a c\u00e1c h\u1ea1t keo l\u01a1 l\u1eedng, ch\u1ea5t m\u00e0u, ch\u1ea5t h\u1eefu c\u01a1, t\u1eeb \u0111\u00f3 t\u1ea1o th\u00e0nh b\u00f4ng c\u1eb7n l\u1edbn d\u1ec5 l\u1eafng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Khu_hoa_hoc_Cr6_Chromate_Reduction\"><\/span>2. Kh\u1eed h\u00f3a h\u1ecdc Cr6+ (Chromate Reduction)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ion Fe\u00b2\u207a trong FeCl2 l\u00e0 ch\u1ea5t kh\u1eed m\u1ea1nh, c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n h\u00f3a Cr6+ (r\u1ea5t \u0111\u1ed9c h\u1ea1i) th\u00e0nh Cr3+ (\u00edt \u0111\u1ed9c, d\u1ec5 k\u1ebft t\u1ee7a) theo ph\u1ea3n \u1ee9ng:<\/p>\n<blockquote><p><strong>3 Fe\u00b2\u207a + Cr6+ \u2192 3 Fe\u00b3\u207a + Cr\u00b3\u207a<\/strong> (t\u1ea1i pH 2.0\u20132.5)<\/p><\/blockquote>\n<p>Sau \u0111\u00f3 n\u00e2ng pH l\u00ean 8\u20139, Cr\u00b3\u207a k\u1ebft t\u1ee7a th\u00e0nh Cr(OH)\u2083 v\u00e0 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf qua l\u1eafng\/l\u1ecdc. S\u1ea3n ph\u1ea9m x\u1eed l\u00fd \u0111\u1ea1t QCVN 40:2011 c\u1ed9t A v\u1edbi Cr6+ &lt; 0.05 mg\/L.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Phan_ung_Fenton_Fenton_Advanced_Oxidation\"><\/span>3. Ph\u1ea3n \u1ee9ng Fenton (Fenton Advanced Oxidation)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>K\u1ebft h\u1ee3p FeCl2 v\u1edbi H\u2082O\u2082 (n\u1ed3ng \u0111\u1ed9 30\u201335%) t\u1ea1o ra g\u1ed1c hydroxyl t\u1ef1 do (\u2022OH) c\u1ef1c k\u1ef3 oxy h\u00f3a m\u1ea1nh, ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u00e1c ch\u1ea5t m\u00e0u h\u1eefu c\u01a1 kh\u00f3 ph\u00e2n h\u1ee7y sinh h\u1ecdc t\u1ea1i pH t\u1ed1i \u01b0u 3\u20133.5. \u0110\u00e2y l\u00e0 c\u01a1 ch\u1ebf c\u1ed1t l\u00f5i trong <a href=\"https:\/\/hoachatlocthien.com\/fecl2-fenton-huong-dan\/\">ph\u1ea3n \u1ee9ng Fenton v\u1edbi FeCl2<\/a> \u1ee9ng d\u1ee5ng cho n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Lieu_Luong_FeCl2_Xu_Ly_Nuoc_Thai_%E2%80%94_Bang_Dinh_Muc_Theo_Loai_Nuoc_Thai\"><\/span>Li\u1ec1u L\u01b0\u1ee3ng FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i \u2014 B\u1ea3ng \u0110\u1ecbnh M\u1ee9c Theo Lo\u1ea1i N\u01b0\u1edbc Th\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Li\u1ec1u l\u01b0\u1ee3ng FeCl2 t\u1ed1i \u01b0u ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea3i \u00f4 nhi\u1ec5m, pH \u0111\u1ea7u v\u00e0o v\u00e0 m\u1ee5c ti\u00eau x\u1eed l\u00fd. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u1ed5ng h\u1ee3p \u0111\u1ecbnh m\u1ee9c t\u1eeb th\u1ef1c t\u1ebf v\u1eadn h\u00e0nh c\u00e1c nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i t\u1ea1i Vi\u1ec7t Nam:<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;\">\n<thead style=\"background-color:#1a5276;color:#fff;\">\n<tr>\n<th>Lo\u1ea1i n\u01b0\u1edbc th\u1ea3i<\/th>\n<th>pH \u0111\u1ea7u v\u00e0o<\/th>\n<th>Li\u1ec1u FeCl2 (mg\/L)<\/th>\n<th>Hi\u1ec7u su\u1ea5t<\/th>\n<th>Ti\u00eau chu\u1ea9n \u0111\u1ea1t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>D\u1ec7t nhu\u1ed9m (COD 500\u20133.000 mg\/L)<\/td>\n<td>7\u201311<\/td>\n<td>200\u2013500<\/td>\n<td>Kh\u1eed m\u00e0u 90\u201398%, COD gi\u1ea3m 60\u201385%<\/td>\n<td>QCVN 13:2015<\/td>\n<\/tr>\n<tr style=\"background-color:#f2f3f4;\">\n<td>Xi m\u1ea1 (Cr6+ 50\u2013500 mg\/L)<\/td>\n<td>2\u20134<\/td>\n<td>150\u2013400 (giai \u0111o\u1ea1n 1)<\/td>\n<td>Cr6+ &lt; 0.05 mg\/L<\/td>\n<td>QCVN 40:2011 c\u1ed9t A<\/td>\n<\/tr>\n<tr>\n<td>Sinh ho\u1ea1t \/ B\u1ec7nh vi\u1ec7n<\/td>\n<td>6\u20138<\/td>\n<td>50\u2013150<\/td>\n<td>Lo\u1ea1i TP &gt; 90%<\/td>\n<td>QCVN 14:2008<\/td>\n<\/tr>\n<tr style=\"background-color:#f2f3f4;\">\n<td>Gi\u1ea5y & b\u1ed9t gi\u1ea5y<\/td>\n<td>6\u20139<\/td>\n<td>100\u2013300<\/td>\n<td>COD gi\u1ea3m 50\u201370%<\/td>\n<td>QCVN 12:2015<\/td>\n<\/tr>\n<tr>\n<td>D\u1ea7u kh\u00ed<\/td>\n<td>5\u20138<\/td>\n<td>100\u2013250<\/td>\n<td>H\u2082S &lt; 0.5 mg\/L<\/td>\n<td>QCVN 35:2010<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>L\u01b0u \u00fd: C\u00e1c gi\u00e1 tr\u1ecb tr\u00ean l\u00e0 \u0111\u1ecbnh m\u1ee9c tham kh\u1ea3o. M\u1ed7i ngu\u1ed3n n\u01b0\u1edbc th\u1ea3i c\u00f3 \u0111\u1eb7c t\u00ednh ri\u00eang \u2014 c\u1ea7n Jar test \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec1u ch\u00ednh x\u00e1c tr\u01b0\u1edbc khi v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf.<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FeCl2_Xu_Ly_Nuoc_Thai_Det_Nhuom\"><\/span>FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i D\u1ec7t Nhu\u1ed9m<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ng\u00e0nh d\u1ec7t nhu\u1ed9m ph\u00e1t sinh n\u01b0\u1edbc th\u1ea3i c\u00f3 \u0111\u1eb7c t\u00ednh ph\u1ee9c t\u1ea1p: pH cao (7\u201311), m\u00e0u \u0111\u1eadm (th\u01b0\u1eddng > 500 Pt-Co), COD cao (500\u20133.000 mg\/L), ch\u1ee9a nhi\u1ec1u thu\u1ed1c nhu\u1ed9m azo v\u00e0 reactive dye kh\u00f3 ph\u00e2n h\u1ee7y sinh h\u1ecdc. FeCl2 l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean v\u00ec hi\u1ec7u su\u1ea5t x\u1eed l\u00fd cao v\u00e0 chi ph\u00ed h\u1ee3p l\u00fd.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Co_che_FeCl2_trong_nuoc_thai_det_nhuom\"><\/span>C\u01a1 ch\u1ebf FeCl2 trong n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Keo t\u1ee5 tr\u1ef1c ti\u1ebfp:<\/strong> Fe\u00b3\u207a sinh ra t\u1eeb qu\u00e1 tr\u00ecnh oxy h\u00f3a FeCl2 h\u1ea5p ph\u1ee5 ph\u00e2n t\u1eed thu\u1ed1c nhu\u1ed9m mang \u0111i\u1ec7n \u00e2m, t\u1ea1o b\u00f4ng c\u1eb7n l\u1edbn, l\u1eafng nhanh trong b\u1ec3 l\u1eafng.<\/li>\n<li><strong>Fenton AOP:<\/strong> K\u1ebft h\u1ee3p FeCl2 + H\u2082O\u2082 (30\u201335%) t\u1ea1i pH 3\u20133.5 t\u1ea1o g\u1ed1c \u2022OH ph\u00e1 v\u1ee1 v\u00f2ng benzene trong c\u1ea5u tr\u00fac thu\u1ed1c nhu\u1ed9m azo, kh\u1eed m\u00e0u 90\u201398% v\u00e0 gi\u1ea3m COD 60\u201385%. Sau ph\u1ea3n \u1ee9ng Fenton, \u0111i\u1ec1u ch\u1ec9nh pH l\u00ean 7\u20138 \u0111\u1ec3 keo t\u1ee5 b\u1ed5 sung.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Tieu_chuan_ZDHC_va_yeu_cau_quoc_te\"><\/span>Ti\u00eau chu\u1ea9n ZDHC v\u00e0 y\u00eau c\u1ea7u qu\u1ed1c t\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Theo ti\u00eau chu\u1ea9n ZDHC (Zero Discharge of Hazardous Chemicals) \u2014 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c c\u1ee7a nhi\u1ec1u nh\u00e3n h\u00e0ng th\u1eddi trang qu\u1ed1c t\u1ebf \u2014 n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m ph\u1ea3i lo\u1ea1i b\u1ecf to\u00e0n b\u1ed9 ch\u1ea5t m\u00e0u c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ung th\u01b0, trong \u0111\u00f3 c\u00f3 c\u00e1c amine th\u01a1m t\u1eeb thu\u1ed1c nhu\u1ed9m azo. Quy tr\u00ecnh FeCl2 + Fenton \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u n\u00e0y khi v\u1eadn h\u00e0nh \u0111\u00fang k\u1ef9 thu\u1eadt.<\/p>\n<p>T\u00ecm hi\u1ec3u chi ti\u1ebft t\u1ea1i: <a href=\"https:\/\/hoachatlocthien.com\/sat-ii-clorua-fecl2-ung-dung-trong-nganh-det-nhuom\/\">FeCl2 trong d\u1ec7t nhu\u1ed9m<\/a> \u2014 h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt \u0111\u1ea7y \u0111\u1ee7 cho k\u1ef9 s\u01b0 XLNT.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FeCl2_Xu_Ly_Nuoc_Thai_Xi_Ma_%E2%80%94_Khu_Cr6\"><\/span>FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i Xi M\u1ea1 \u2014 Kh\u1eed Cr6+<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u01b0\u1edbc th\u1ea3i xi m\u1ea1 \u0111i\u1ec7n (electroplating) ch\u1ee9a Cr6+ v\u1edbi n\u1ed3ng \u0111\u1ed9 50\u2013500 mg\/L \u2014 ch\u1ea5t \u0111\u1ed9c h\u1ea1i nh\u00f3m I theo QCVN 40:2011. FeCl2 l\u00e0 h\u00f3a ch\u1ea5t kh\u1eed Cr6+ hi\u1ec7u qu\u1ea3 nh\u1ea5t v\u00e0 kinh t\u1ebf nh\u1ea5t hi\u1ec7n nay.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Quy_trinh_2_giai_doan\"><\/span>Quy tr\u00ecnh 2 giai \u0111o\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Giai \u0111o\u1ea1n 1 \u2014 Kh\u1eed Cr6+ th\u00e0nh Cr3+:<\/strong><\/p>\n<ul>\n<li>\u0110i\u1ec1u ch\u1ec9nh pH xu\u1ed1ng 2.0\u20132.5 b\u1eb1ng H\u2082SO\u2084 ho\u1eb7c HCl<\/li>\n<li>Ch\u00e2m FeCl2 v\u1edbi t\u1ec9 l\u1ec7 <strong>3 mol Fe\u00b2\u207a \/ 1 mol Cr6+<\/strong> (li\u1ec1u th\u1ef1c t\u1ebf 150\u2013400 mg\/L t\u00f9y n\u1ed3ng \u0111\u1ed9 Cr6+ \u0111\u1ea7u v\u00e0o)<\/li>\n<li>Khu\u1ea5y ph\u1ea3n \u1ee9ng 15\u201330 ph\u00fat cho \u0111\u1ebfn khi Cr6+ chuy\u1ec3n h\u00f3a ho\u00e0n to\u00e0n th\u00e0nh Cr\u00b3\u207a<\/li>\n<\/ul>\n<p><strong>Giai \u0111o\u1ea1n 2 \u2014 K\u1ebft t\u1ee7a Cr\u00b3\u207a:<\/strong><\/p>\n<ul>\n<li>N\u00e2ng pH l\u00ean 8\u20139 b\u1eb1ng NaOH ho\u1eb7c Ca(OH)\u2082<\/li>\n<li>Cr\u00b3\u207a k\u1ebft t\u1ee7a th\u00e0nh Cr(OH)\u2083 \u2014 b\u00f4ng c\u1eb7n m\u00e0u xanh l\u1ee5c d\u1ec5 l\u1eafng<\/li>\n<li>L\u1eafng t\u0129nh 30\u201360 ph\u00fat, thu b\u00f9n v\u00e0 x\u1eed l\u00fd theo quy \u0111\u1ecbnh<\/li>\n<li>N\u01b0\u1edbc sau x\u1eed l\u00fd \u0111\u1ea1t Cr6+ &lt; 0.05 mg\/L theo QCVN 40:2011 c\u1ed9t A<\/li>\n<\/ul>\n<p>Xem h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 t\u1ea1i: <a href=\"https:\/\/hoachatlocthien.com\/fecl2-xi-ma-khu-cr6\/\">kh\u1eed Cr6+ b\u1eb1ng FeCl2<\/a> \u2014 bao g\u1ed3m t\u00ednh to\u00e1n li\u1ec1u l\u01b0\u1ee3ng theo n\u1ed3ng \u0111\u1ed9 Cr6+ th\u1ef1c t\u1ebf.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FeCl2_Xu_Ly_Nuoc_Thai_Sinh_Hoat_Va_Benh_Vien\"><\/span>FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i Sinh Ho\u1ea1t V\u00e0 B\u1ec7nh Vi\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t v\u00e0 b\u1ec7nh vi\u1ec7n, FeCl2 \u0111\u01b0\u1ee3c d\u00f9ng ch\u1ee7 y\u1ebfu \u0111\u1ec3 lo\u1ea1i b\u1ecf phospho t\u1ed5ng (TP) \u2014 ch\u1ec9 ti\u00eau quan tr\u1ecdng theo QCVN 14:2008. Phospho g\u00e2y hi\u1ec7n t\u01b0\u1ee3ng ph\u00fa d\u01b0\u1ee1ng h\u00f3a ngu\u1ed3n ti\u1ebfp nh\u1eadn n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Co_che_khu_phospho_bang_FeCl2\"><\/span>C\u01a1 ch\u1ebf kh\u1eed phospho b\u1eb1ng FeCl2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Fe\u00b2\u207a ph\u1ea3n \u1ee9ng v\u1edbi phosphate (PO\u2084\u00b3\u207b) t\u1ea1o k\u1ebft t\u1ee7a FePO\u2084 kh\u00f3 tan:<\/p>\n<blockquote><p>Fe\u00b2\u207a + PO\u2084\u00b3\u207b \u2192 FePO\u2084\u2193 (k\u1ebft t\u1ee7a)<\/p><\/blockquote>\n<p>\u0110\u1ed3ng th\u1eddi Fe\u00b3\u207a t\u1eeb qu\u00e1 tr\u00ecnh oxy h\u00f3a ti\u1ebfp t\u1ee5c h\u1ea5p ph\u1ee5 phospho qua c\u01a1 ch\u1ebf keo t\u1ee5. Li\u1ec1u FeCl2 t\u1eeb 50\u2013150 mg\/L \u0111\u1ee7 \u0111\u1ec3 lo\u1ea1i b\u1ecf &gt; 90% TP t\u1eeb n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t \u0111\u1ea7u v\u00e0o TP 5\u201310 mg\/L.<\/p>\n<p><strong>\u1ee8ng d\u1ee5ng b\u1ec7nh vi\u1ec7n:<\/strong> N\u01b0\u1edbc th\u1ea3i b\u1ec7nh vi\u1ec7n th\u01b0\u1eddng c\u00f3 COD 200\u2013400 mg\/L, SS cao, m\u1ea7m b\u1ec7nh v\u00e0 d\u01b0\u1ee3c ch\u1ea5t t\u1ed3n d\u01b0. FeCl2 h\u1ed7 tr\u1ee3 lo\u1ea1i SS v\u00e0 phospho \u1edf giai \u0111o\u1ea1n x\u1eed l\u00fd l\u00fd h\u00f3a tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o b\u1ec3 sinh h\u1ecdc, t\u0103ng hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FeCl2_Hay_PAC_Hay_FeSO4_So_Sanh_Nhanh\"><\/span>FeCl2 Hay PAC Hay FeSO4? So S\u00e1nh Nhanh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>K\u1ef9 s\u01b0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng XLNT th\u01b0\u1eddng ph\u1ea3i l\u1ef1a ch\u1ecdn gi\u1eefa ba lo\u1ea1i h\u00f3a ch\u1ea5t keo t\u1ee5 ph\u1ed5 bi\u1ebfn. B\u1ea3ng so s\u00e1nh d\u01b0\u1edbi \u0111\u00e2y gi\u00fap ra quy\u1ebft \u0111\u1ecbnh nhanh:<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;\">\n<thead style=\"background-color:#1a5276;color:#fff;\">\n<tr>\n<th>Ti\u00eau ch\u00ed<\/th>\n<th>FeCl2 (S\u1eaft II Clorua)<\/th>\n<th>PAC (Poly Aluminium Chloride)<\/th>\n<th>FeSO4 (S\u1eaft II Sunfat)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>C\u01a1 ch\u1ebf ch\u00ednh<\/strong><\/td>\n<td>Keo t\u1ee5 + Kh\u1eed h\u00f3a h\u1ecdc + Fenton<\/td>\n<td>Keo t\u1ee5 thu\u1ea7n t\u00fay<\/td>\n<td>Keo t\u1ee5 + Kh\u1eed h\u00f3a h\u1ecdc<\/td>\n<\/tr>\n<tr style=\"background-color:#f2f3f4;\">\n<td><strong>Gi\u00e1 tham kh\u1ea3o (\u0111\/kg)<\/strong><\/td>\n<td>3.000\u20135.000<\/td>\n<td>4.000\u20138.000<\/td>\n<td>2.500\u20134.000<\/td>\n<\/tr>\n<tr>\n<td><strong>Ph\u00f9 h\u1ee3p nh\u1ea5t<\/strong><\/td>\n<td>D\u1ec7t nhu\u1ed9m, xi m\u1ea1, COD cao<\/td>\n<td>N\u01b0\u1edbc sinh ho\u1ea1t, n\u01b0\u1edbc c\u1ea5p<\/td>\n<td>K\u1ebft t\u1ee7a phospho, n\u01b0\u1edbc th\u1ea3i \u0111\u01a1n gi\u1ea3n<\/td>\n<\/tr>\n<tr style=\"background-color:#f2f3f4;\">\n<td><strong>Kh\u1eed Cr6+<\/strong><\/td>\n<td>\u2705 R\u1ea5t t\u1ed1t<\/td>\n<td>\u274c Kh\u00f4ng c\u00f3<\/td>\n<td>\u2705 T\u1ed1t<\/td>\n<\/tr>\n<tr>\n<td><strong>Fenton AOP<\/strong><\/td>\n<td>\u2705 C\u00f3<\/td>\n<td>\u274c Kh\u00f4ng<\/td>\n<td>\u2705 C\u00f3 (nh\u01b0ng k\u00e9m h\u01a1n FeCl2)<\/td>\n<\/tr>\n<tr style=\"background-color:#f2f3f4;\">\n<td><strong>\u1ea2nh h\u01b0\u1edfng pH<\/strong><\/td>\n<td>Gi\u1ea3m pH \u0111\u00e1ng k\u1ec3<\/td>\n<td>\u00cdt \u1ea3nh h\u01b0\u1edfng<\/td>\n<td>Gi\u1ea3m pH nh\u1eb9<\/td>\n<\/tr>\n<tr>\n<td><strong>B\u00f4ng c\u1eb7n<\/strong><\/td>\n<td>To, l\u1eafng nhanh<\/td>\n<td>Ch\u1eafc, \u0111\u1eb9p<\/td>\n<td>To, l\u1eafng nhanh<\/td>\n<\/tr>\n<tr style=\"background-color:#f2f3f4;\">\n<td><strong>T\u1ed3n d\u01b0 kim lo\u1ea1i<\/strong><\/td>\n<td>Fe (c\u1ea7n ki\u1ec3m so\u00e1t)<\/td>\n<td>Al (c\u1ea7n ki\u1ec3m so\u00e1t)<\/td>\n<td>Fe (c\u1ea7n ki\u1ec3m so\u00e1t)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>K\u1ebft lu\u1eadn:<\/strong> FeCl2 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u cho n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p \u00f4 nhi\u1ec5m n\u1eb7ng. PAC ph\u00f9 h\u1ee3p h\u01a1n cho n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t v\u00e0 n\u01b0\u1edbc c\u1ea5p. FeSO4 l\u00e0 ph\u01b0\u01a1ng \u00e1n thay th\u1ebf khi FeCl2 khan hi\u1ebfm. Xem ph\u00e2n t\u00edch chi ti\u1ebft t\u1ea1i <a href=\"https:\/\/hoachatlocthien.com\/fecl2-vs-feso4-vs-pac\/\">so s\u00e1nh FeCl2 vs FeSO4 vs PAC<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Quy_Trinh_Cham_FeCl2_Vao_He_Thong_Xu_Ly\"><\/span>Quy Tr\u00ecnh Ch\u00e2m FeCl2 V\u00e0o H\u1ec7 Th\u1ed1ng X\u1eed L\u00fd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 FeCl2 ph\u00e1t huy hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u1eadn h\u00e0nh, c\u1ea7n tu\u00e2n th\u1ee7 quy tr\u00ecnh pha v\u00e0 ch\u00e2m h\u00f3a ch\u1ea5t \u0111\u00fang k\u1ef9 thu\u1eadt:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_1_Pha_loang_FeCl2_truoc_khi_bom\"><\/span>B\u01b0\u1edbc 1: Pha lo\u00e3ng FeCl2 tr\u01b0\u1edbc khi b\u01a1m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>FeCl2 dung d\u1ecbch 30% c\u00f3 t\u00ednh \u0103n m\u00f2n cao v\u00e0 \u0111\u1ed9 nh\u1edbt l\u1edbn. C\u1ea7n pha lo\u00e3ng xu\u1ed1ng n\u1ed3ng \u0111\u1ed9 5\u201310% tr\u01b0\u1edbc khi ch\u00e2m v\u00e0o h\u1ec7 th\u1ed1ng:<\/p>\n<ul>\n<li>T\u1ef7 l\u1ec7 pha: 1 ph\u1ea7n FeCl2 30% + 2\u20135 ph\u1ea7n n\u01b0\u1edbc s\u1ea1ch<\/li>\n<li>B\u1ed3n pha d\u00f9ng HDPE ho\u1eb7c PP (ch\u1ed1ng \u0103n m\u00f2n axit)<\/li>\n<li>Trang b\u1ecb b\u01a1m \u0111\u1ecbnh l\u01b0\u1ee3ng (dosing pump) c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh l\u01b0u l\u01b0\u1ee3ng<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_2_Kiem_tra_va_dieu_chinh_pH_dau_vao\"><\/span>B\u01b0\u1edbc 2: Ki\u1ec3m tra v\u00e0 \u0111i\u1ec1u ch\u1ec9nh pH \u0111\u1ea7u v\u00e0o<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>pH \u0111\u1ea7u v\u00e0o \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u qu\u1ea3 FeCl2:<\/p>\n<ul>\n<li>Kh\u1eed Cr6+: pH 2.0\u20132.5 (d\u00f9ng H\u2082SO\u2084 ho\u1eb7c HCl \u0111\u1ec3 h\u1ea1 pH)<\/li>\n<li>Fenton AOP: pH 3\u20133.5<\/li>\n<li>Keo t\u1ee5 th\u00f4ng th\u01b0\u1eddng: pH 6\u20138 (t\u1ed1i \u01b0u cho Fe(OH)\u2083 keo t\u1ee5)<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_3_Cham_FeCl2_va_khuay_nhanh\"><\/span>B\u01b0\u1edbc 3: Ch\u00e2m FeCl2 v\u00e0 khu\u1ea5y nhanh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ch\u00e2m FeCl2 \u0111\u00e3 pha lo\u00e3ng v\u00e0o \u0111\u1ea7u b\u1ec3 ph\u1ea3n \u1ee9ng, k\u1ebft h\u1ee3p khu\u1ea5y nhanh 100\u2013150 rpm trong 1\u20132 ph\u00fat \u0111\u1ec3 ph\u00e2n t\u00e1n \u0111\u1ec1u. \u0110i\u1ec3m ch\u00e2m h\u00f3a ch\u1ea5t n\u00ean \u0111\u1eb7t t\u1ea1i v\u00f9ng c\u00f3 d\u00f2ng ch\u1ea3y x\u00e1o tr\u1ed9n m\u1ea1nh (\u0111\u1ea7u \u1ed1ng d\u1eabn ho\u1eb7c c\u00e1nh khu\u1ea5y).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_4_Khuay_cham_va_de_lang\"><\/span>B\u01b0\u1edbc 4: Khu\u1ea5y ch\u1eadm v\u00e0 \u0111\u1ec3 l\u1eafng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gi\u1ea3m t\u1ed1c \u0111\u1ed9 khu\u1ea5y xu\u1ed1ng 20\u201340 rpm trong 15\u201320 ph\u00fat \u0111\u1ec3 b\u00f4ng c\u1eb7n ph\u00e1t tri\u1ec3n k\u00edch th\u01b0\u1edbc \u0111\u1ee7 l\u1edbn. Sau \u0111\u00f3 d\u1eebng khu\u1ea5y, \u0111\u1ec3 l\u1eafng t\u0129nh 30\u201360 ph\u00fat trong b\u1ec3 l\u1eafng lamella ho\u1eb7c l\u1eafng \u0111\u1ee9ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_5_Kiem_tra_ket_qua_va_hieu_chinh_lieu\"><\/span>B\u01b0\u1edbc 5: Ki\u1ec3m tra k\u1ebft qu\u1ea3 v\u00e0 hi\u1ec7u ch\u1ec9nh li\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u1ea5y m\u1eabu n\u01b0\u1edbc sau l\u1eafng ph\u00e2n t\u00edch c\u00e1c ch\u1ec9 ti\u00eau m\u1ee5c ti\u00eau (COD, m\u00e0u, Cr6+, TP...). N\u1ebfu ch\u01b0a \u0111\u1ea1t QCVN t\u01b0\u01a1ng \u1ee9ng, t\u0103ng li\u1ec1u FeCl2 th\u00eam 10\u201320% v\u00e0 l\u1eb7p l\u1ea1i Jar test cho \u0111\u1ebfn khi t\u1ed1i \u01b0u. Ghi ch\u00e9p k\u1ebft qu\u1ea3 v\u00e0o nh\u1eadt k\u00fd v\u1eadn h\u00e0nh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Gia_FeCl2_Xu_Ly_Nuoc_Thai_Tham_Khao_2026\"><\/span>Gi\u00e1 FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i Tham Kh\u1ea3o 2026<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Gi\u00e1 FeCl2 dung d\u1ecbch 30% tr\u00ean th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam n\u0103m 2026 bi\u1ebfn \u0111\u1ed9ng theo gi\u00e1 nguy\u00ean li\u1ec7u s\u1eaft v\u00e0 HCl. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ee9c gi\u00e1 tham kh\u1ea3o \u0111\u1ec3 k\u1ef9 s\u01b0 d\u1ef1 to\u00e1n chi ph\u00ed v\u1eadn h\u00e0nh:<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;\">\n<thead style=\"background-color:#1a5276;color:#fff;\">\n<tr>\n<th>Quy c\u00e1ch \u0111\u00f3ng g\u00f3i<\/th>\n<th>Gi\u00e1 tham kh\u1ea3o (\u0111\/kg)<\/th>\n<th>Ghi ch\u00fa<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Phuy nh\u1ef1a 200L (~230 kg)<\/td>\n<td>3.000\u20135.000<\/td>\n<td>Ph\u00f9 h\u1ee3p h\u1ec7 th\u1ed1ng nh\u1ecf, ti\u00eau th\u1ee5 &lt; 1 t\u1ea5n\/th\u00e1ng<\/td>\n<\/tr>\n<tr style=\"background-color:#f2f3f4;\">\n<td>B\u1ed3n IBC 1.000L (~1.200 kg)<\/td>\n<td>2.800\u20134.500<\/td>\n<td>Ti\u1ebft ki\u1ec7m h\u01a1n, ph\u00f9 h\u1ee3p nh\u00e0 m\u00e1y trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>Xe b\u1ed3n (t\u1eeb 5 t\u1ea5n)<\/td>\n<td>Li\u00ean h\u1ec7 b\u00e1o gi\u00e1<\/td>\n<td>\u01afu \u0111\u00e3i \u0111\u1eb7c bi\u1ec7t cho s\u1ea3n l\u01b0\u1ee3ng l\u1edbn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Chi ph\u00ed h\u00f3a ch\u1ea5t \u01b0\u1edbc t\u00ednh:<\/strong> V\u1edbi li\u1ec1u FeCl2 200 mg\/L v\u00e0 l\u01b0u l\u01b0\u1ee3ng 500 m\u00b3\/ng\u00e0y, ti\u00eau th\u1ee5 \u2248 100 kg FeCl2\/ng\u00e0y \u00d7 4.000 \u0111\/kg \u2248 400.000 \u0111\/ng\u00e0y. So v\u1edbi PAC (400\u2013800 \u0111\/m\u00b3), chi ph\u00ed FeCl2 c\u1ea1nh tranh h\u01a1n \u0111\u00e1ng k\u1ec3 cho n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p.<\/p>\n<p>\u0110\u1eb7t h\u00e0ng FeCl2 ch\u1ea5t l\u01b0\u1ee3ng cao t\u1ea1i: <a href=\"https:\/\/hoachatlocthien.com\/fecl2-sat-ii-clorua\/\">mua FeCl2 25-30%<\/a> \u2014 giao nhanh khu v\u1ef1c TP.HCM, B\u00ecnh D\u01b0\u01a1ng, \u0110\u1ed3ng Nai v\u00e0 to\u00e0n qu\u1ed1c.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mua_FeCl2_Xu_Ly_Nuoc_Thai_O_Dau\"><\/span>Mua FeCl2 X\u1eed L\u00fd N\u01b0\u1edbc Th\u1ea3i \u1ede \u0110\u00e2u?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean l\u00e0 \u0111\u01a1n v\u1ecb chuy\u00ean cung c\u1ea5p FeCl2 dung d\u1ecbch 25\u201330% cho c\u00e1c nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i t\u1ea1i khu v\u1ef1c mi\u1ec1n Nam Vi\u1ec7t Nam:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ly_do_chon_Loc_Thien\"><\/span>L\u00fd do ch\u1ecdn L\u1ed9c Thi\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea3m b\u1ea3o:<\/strong> FeCl2 n\u1ed3ng \u0111\u1ed9 25\u201330%, c\u00f3 COA (Certificate of Analysis) theo l\u00f4 h\u00e0ng<\/li>\n<li><strong>Kho h\u00e0ng t\u1ea1i 3 \u0111i\u1ec3m:<\/strong> TP.HCM \u2014 B\u00ecnh D\u01b0\u01a1ng \u2014 \u0110\u1ed3ng Nai, giao h\u00e0ng trong ng\u00e0y cho \u0111\u01a1n h\u00e0ng tr\u01b0\u1edbc 14:00<\/li>\n<li><strong>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt mi\u1ec5n ph\u00ed:<\/strong> K\u1ef9 s\u01b0 t\u01b0 v\u1ea5n li\u1ec1u l\u01b0\u1ee3ng, thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng ch\u00e2m h\u00f3a ch\u1ea5t, Jar test t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/li>\n<li><strong>Jar test mi\u1ec5n ph\u00ed:<\/strong> Kh\u00e1ch h\u00e0ng g\u1eedi m\u1eabu n\u01b0\u1edbc \u0111\u1ec3 ki\u1ec3m tra hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ed1i \u01b0u li\u1ec1u FeCl2 tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng<\/li>\n<li><strong>\u0110a d\u1ea1ng quy c\u00e1ch:<\/strong> Phuy 200L, IBC 1.000L, xe b\u1ed3n 5\u201325 t\u1ea5n<\/li>\n<li><strong>\u01afu \u0111\u00e3i h\u1ee3p \u0111\u1ed3ng d\u00e0i h\u1ea1n:<\/strong> Chi\u1ebft kh\u1ea5u t\u1eeb 3\u20138% cho \u0111\u01a1n h\u00e0ng th\u01b0\u1eddng xuy\u00ean v\u00e0 h\u1ee3p \u0111\u1ed3ng n\u0103m<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Thong_tin_lien_he\"><\/span>Th\u00f4ng tin li\u00ean h\u1ec7<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Website: <a href=\"https:\/\/hoachatlocthien.com\">hoachatlocthien.com<\/a><\/li>\n<li>Kho TP.HCM: Giao h\u00e0ng to\u00e0n khu c\u00f4ng nghi\u1ec7p B\u00ecnh Ch\u00e1nh, C\u1ee7 Chi, Th\u1ee7 \u0110\u1ee9c<\/li>\n<li>Kho B\u00ecnh D\u01b0\u01a1ng: Ph\u1ee5c v\u1ee5 KCN VSIP, M\u1ef9 Ph\u01b0\u1edbc, \u0110\u1ed3ng An, S\u00f3ng Th\u1ea7n<\/li>\n<li>Kho \u0110\u1ed3ng Nai: Ph\u1ee5c v\u1ee5 KCN Bi\u00ean H\u00f2a, Long Th\u00e0nh, Nh\u01a1n Tr\u1ea1ch<\/li>\n<\/ul>\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<div itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\"><span class=\"ez-toc-section\" id=\"FeCl2_xu_ly_nuoc_thai_lieu_luong_bao_nhieu\"><\/span>FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i li\u1ec1u l\u01b0\u1ee3ng bao nhi\u00eau?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Li\u1ec1u l\u01b0\u1ee3ng FeCl2 ph\u1ee5 thu\u1ed9c lo\u1ea1i n\u01b0\u1edbc th\u1ea3i: <strong>sinh ho\u1ea1t\/b\u1ec7nh vi\u1ec7n: 50\u2013150 mg\/L; gi\u1ea5y & b\u1ed9t gi\u1ea5y: 100\u2013300 mg\/L; d\u1ea7u kh\u00ed: 100\u2013250 mg\/L; xi m\u1ea1 (giai \u0111o\u1ea1n 1): 150\u2013400 mg\/L; d\u1ec7t nhu\u1ed9m: 200\u2013500 mg\/L<\/strong>. C\u1ea7n th\u1ef1c hi\u1ec7n Jar test \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec1u t\u1ed1i \u01b0u cho t\u1eebng ngu\u1ed3n n\u01b0\u1edbc c\u1ee5 th\u1ec3. Li\u00ean h\u1ec7 L\u1ed9c Thi\u00ean \u0111\u1ec3 \u0111\u01b0\u1ee3c Jar test mi\u1ec5n ph\u00ed.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\"><span class=\"ez-toc-section\" id=\"FeCl2_hay_PAC_xu_ly_nuoc_thai_tot_hon\"><\/span>FeCl2 hay PAC x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i t\u1ed1t h\u01a1n?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">FeCl2 v\u01b0\u1ee3t tr\u1ed9i cho n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p \u00f4 nhi\u1ec5m n\u1eb7ng (d\u1ec7t nhu\u1ed9m, xi m\u1ea1) nh\u1edd kh\u1ea3 n\u0103ng kh\u1eed Cr6+ v\u00e0 ph\u1ea3n \u1ee9ng Fenton AOP m\u00e0 PAC kh\u00f4ng c\u00f3. PAC ph\u00f9 h\u1ee3p h\u01a1n cho n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t v\u00e0 n\u01b0\u1edbc c\u1ea5p nh\u1edd b\u00f4ng c\u1eb7n \u0111\u1eb9p v\u00e0 \u00edt \u1ea3nh h\u01b0\u1edfng pH. V\u1ec1 chi ph\u00ed, FeCl2 (~3.000\u20135.000 \u0111\/kg) th\u01b0\u1eddng r\u1ebb h\u01a1n PAC (~4.000\u20138.000 \u0111\/kg).<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\"><span class=\"ez-toc-section\" id=\"Mua_FeCl2_xu_ly_nuoc_thai_o_dau_tai_TPHCM_Binh_Duong\"><\/span>Mua FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u1edf \u0111\u00e2u t\u1ea1i TP.HCM, B\u00ecnh D\u01b0\u01a1ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean cung c\u1ea5p FeCl2 25\u201330% v\u1edbi kho h\u00e0ng t\u1ea1i TP.HCM, B\u00ecnh D\u01b0\u01a1ng v\u00e0 \u0110\u1ed3ng Nai. Giao h\u00e0ng trong ng\u00e0y, h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 Jar test mi\u1ec5n ph\u00ed. \u0110\u1eb7t h\u00e0ng t\u1ea1i hoachatlocthien.com ho\u1eb7c li\u00ean h\u1ec7 hotline \u0111\u1ec3 \u0111\u01b0\u1ee3c b\u00e1o gi\u00e1 ngay.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\"><span class=\"ez-toc-section\" id=\"FeCl2_xu_ly_nuoc_thai_gia_bao_nhieu_nam_2026\"><\/span>FeCl2 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i gi\u00e1 bao nhi\u00eau n\u0103m 2026?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">Gi\u00e1 FeCl2 dung d\u1ecbch 30% n\u0103m 2026: <strong>phuy 200L: 3.000\u20135.000 \u0111\/kg; b\u1ed3n IBC 1.000L: 2.800\u20134.500 \u0111\/kg; xe b\u1ed3n: li\u00ean h\u1ec7 b\u00e1o gi\u00e1 \u01b0u \u0111\u00e3i<\/strong>. Gi\u00e1 bi\u1ebfn \u0111\u1ed9ng theo th\u1ecb tr\u01b0\u1eddng nguy\u00ean li\u1ec7u. Li\u00ean h\u1ec7 L\u1ed9c Thi\u00ean \u0111\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 ch\u00ednh x\u00e1c v\u00e0 chi\u1ebft kh\u1ea5u theo s\u1ea3n l\u01b0\u1ee3ng.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\"><span class=\"ez-toc-section\" id=\"FeCl2_co_xu_ly_duoc_nuoc_thai_det_nhuom_chua_Cr6_khong\"><\/span>FeCl2 c\u00f3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m ch\u1ee9a Cr6+ kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">C\u00f3. FeCl2 x\u1eed l\u00fd hi\u1ec7u qu\u1ea3 c\u1ea3 hai: n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m (qua Fenton AOP: kh\u1eed m\u00e0u 90\u201398%, gi\u1ea3m COD 60\u201385%) v\u00e0 n\u01b0\u1edbc th\u1ea3i ch\u1ee9a Cr6+ (qua kh\u1eed h\u00f3a h\u1ecdc: 3 mol Fe\u00b2\u207a kh\u1eed 1 mol Cr6+ t\u1ea1i pH 2\u20132.5, k\u1ebft t\u1ee7a Cr(OH)\u2083 t\u1ea1i pH 8\u20139). \u0110\u1ea1t QCVN 40:2011 c\u1ed9t A v\u1edbi Cr6+ &lt; 0.05 mg\/L.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n<h3 itemprop=\"name\"><span class=\"ez-toc-section\" id=\"Jar_test_FeCl2_mien_phi_co_khong\"><\/span>Jar test FeCl2 mi\u1ec5n ph\u00ed c\u00f3 kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n<p itemprop=\"text\">C\u00f3. H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean cung c\u1ea5p d\u1ecbch v\u1ee5 Jar test FeCl2 mi\u1ec5n ph\u00ed \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec1u l\u01b0\u1ee3ng t\u1ed1i \u01b0u cho t\u1eebng lo\u1ea1i n\u01b0\u1edbc th\u1ea3i. Kh\u00e1ch h\u00e0ng g\u1eedi m\u1eabu n\u01b0\u1edbc ho\u1eb7c \u0111\u1eb7t l\u1ecbch k\u1ef9 thu\u1eadt vi\u00ean \u0111\u1ebfn tr\u1ef1c ti\u1ebfp t\u1ea1i nh\u00e0 m\u00e1y. Li\u00ean h\u1ec7 hotline ho\u1eb7c \u0111\u1ec3 l\u1ea1i th\u00f4ng tin tr\u00ean website \u0111\u1ec3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp s\u1edbm nh\u1ea5t.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Ket_Luan\"><\/span>K\u1ebft Lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>FeCl2 (s\u1eaft II clorua) l\u00e0 h\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111a n\u0103ng v\u00e0 kinh t\u1ebf, ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p t\u1ea1i Vi\u1ec7t Nam. T\u1eeb n\u01b0\u1edbc th\u1ea3i d\u1ec7t nhu\u1ed9m c\u1ea7n kh\u1eed m\u00e0u b\u1eb1ng Fenton AOP (90\u201398%) \u0111\u1ebfn n\u01b0\u1edbc th\u1ea3i xi m\u1ea1 c\u1ea7n kh\u1eed Cr6+ (\u0111\u1ea1t QCVN 40:2011 c\u1ed9t A) v\u00e0 n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t c\u1ea7n lo\u1ea1i phospho (&gt;90%), FeCl2 \u0111\u1ec1u \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd.<\/p>\n<p><strong>\u0110i\u1ec3m m\u1ea5u ch\u1ed1t c\u1ea7n nh\u1edb:<\/strong><\/p>\n<ul>\n<li>Li\u1ec1u l\u01b0\u1ee3ng FeCl2: 50\u2013500 mg\/L t\u00f9y lo\u1ea1i n\u01b0\u1edbc th\u1ea3i \u2014 c\u1ea7n Jar test x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c<\/li>\n<li>Fenton AOP: pH 3\u20133.5, H\u2082O\u2082 30\u201335%, hi\u1ec7u su\u1ea5t kh\u1eed m\u00e0u 90\u201398%<\/li>\n<li>Kh\u1eed Cr6+: 3 mol Fe\u00b2\u207a\/mol Cr6+, pH 2\u20132.5, sau \u0111\u00f3 k\u1ebft t\u1ee7a t\u1ea1i pH 8\u20139<\/li>\n<li>Pha lo\u00e3ng FeCl2 xu\u1ed1ng 5\u201310% tr\u01b0\u1edbc khi b\u01a1m v\u00e0o h\u1ec7 th\u1ed1ng<\/li>\n<li>Gi\u00e1 tham kh\u1ea3o 2026: 2.800\u20135.000 \u0111\/kg t\u00f9y quy c\u00e1ch<\/li>\n<\/ul>\n<p>\u0110\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt v\u00e0 b\u00e1o gi\u00e1 FeCl2 ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n, li\u00ean h\u1ec7 ngay <a href=\"https:\/\/hoachatlocthien.com\/fecl2-sat-ii-clorua\/\">mua FeCl2 25-30%<\/a> t\u1ea1i H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean \u2014 \u0111\u01a1n v\u1ecb cung c\u1ea5p h\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i chuy\u00ean nghi\u1ec7p t\u1ea1i TP.HCM, B\u00ecnh D\u01b0\u01a1ng v\u00e0 \u0110\u1ed3ng Nai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>FeCl2 (s\u1eaft II clorua) l\u00e0 h\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i t\u1ea1i c\u00e1c nh\u00e0 m\u00e1y d\u1ec7t nhu\u1ed9m, xi m\u1ea1, gi\u1ea5y, d\u1ea7u kh\u00ed v\u00e0 h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t t\u1eadp trung. C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a FeCl2 g\u1ed3m keo t\u1ee5 t\u1ea1o b\u00f4ng, kh\u1eed h\u00f3a h\u1ecdc Cr6+ v\u00e0 ph\u1ea3n [&#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],"tags":[],"class_list":["post-9152","post","type-post","status-publish","format-standard","hentry","category-hoa-chat-xu-ly-nuoc"],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts\/9152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/comments?post=9152"}],"version-history":[{"count":0,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts\/9152\/revisions"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/media?parent=9152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/categories?post=9152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/tags?post=9152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}