{"id":9016,"date":"2026-05-06T08:00:00","date_gmt":"2026-05-06T08:00:00","guid":{"rendered":"https:\/\/hoachatlocthien.com\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep\/"},"modified":"2026-05-06T08:00:00","modified_gmt":"2026-05-06T08:00:00","slug":"phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/en\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2","title":{"rendered":"Ph\u00e8n S\u1eaft 2 (FeSO4): T\u1ed5ng Quan &#038; \u1ee8ng D\u1ee5ng Trong C\u00f4ng Nghi\u1ec7p"},"content":{"rendered":"<article>\n<header class=\"hero\">\n<div class=\"kicker\">Ph\u00e8n s\u1eaft 2 FeSO4<\/div>\n<h1>Ph\u00e8n S\u1eaft 2 (FeSO4): T\u1ed5ng Quan &#038; \u1ee8ng D\u1ee5ng Trong C\u00f4ng Nghi\u1ec7p<\/h1>\n<p class=\"meta\">Bien soan boi doi ngu ky thuat <strong>Hoa Chat Loc Thien<\/strong>.<\/p>\n<p><strong>Ph\u00e8n s\u1eaft 2 (FeSO4\u00b77H2O, ferrous sulfate heptahydrate)<\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng mu\u1ed1i s\u1eaft \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t nh\u1edd gi\u00e1 th\u00e0nh kinh t\u1ebf v\u00e0 \u0111a \u1ee9ng d\u1ee5ng. Ph\u00e8n s\u1eaft 2 c\u00f3 m\u1eb7t trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, n\u00f4ng nghi\u1ec7p, m\u1ea1 \u0111i\u1ec7n, h\u00f3a ch\u1ea5t v\u00e0 y t\u1ebf.<\/p>\n<p class=\"note\">Noi dung tham khao, vui long doi chieu MSDS.<\/p>\n<\/header>\n<figure><img decoding=\"async\" class=\"thumb lazyload\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/01\/So-sanh-phen-nhom-va-phen-sat-png.webp\" alt=\"So s\u00e1nh ph\u00e8n nh\u00f4m v\u00e0 ph\u00e8n s\u1eaft\" width=\"900\" height=\"500\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 900px; --smush-placeholder-aspect-ratio: 900\/500;\"><figcaption class=\"meta\" style=\"text-align:center\">So s\u00e1nh ph\u00e8n nh\u00f4m v\u00e0 ph\u00e8n s\u1eaft<\/figcaption><\/figure>\n<div class=\"tag-list\"><span>ph\u00e8n s\u1eaft 2<\/span><span>FeSO4<\/span><span>FeSO4 7H2O<\/span><span>ferrous sulfate<\/span><span>\u1ee9ng d\u1ee5ng ph\u00e8n s\u1eaft 2<\/span><\/div>\n<section id=\"tong-quan\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hoachatlocthien.com\/en\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2\/#1_Tong_quan_ve_phen_sat_2_FeSO4%C2%B77H2O\" title=\"1. T\u1ed5ng quan v\u1ec1 ph\u00e8n s\u1eaft 2 (FeSO4\u00b77H2O)\">1. T\u1ed5ng quan v\u1ec1 ph\u00e8n s\u1eaft 2 (FeSO4\u00b77H2O)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hoachatlocthien.com\/en\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2\/#2_Ung_dung_phen_sat_2_trong_cong_nghiep\" title=\"2. \u1ee8ng d\u1ee5ng ph\u00e8n s\u1eaft 2 trong c\u00f4ng nghi\u1ec7p\">2. \u1ee8ng d\u1ee5ng ph\u00e8n s\u1eaft 2 trong c\u00f4ng nghi\u1ec7p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hoachatlocthien.com\/en\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2\/#21_Xu_ly_nuoc_thai\" title=\"2.1. X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i\">2.1. X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hoachatlocthien.com\/en\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2\/#22_Nong_nghiep\" title=\"2.2. N\u00f4ng nghi\u1ec7p\">2.2. N\u00f4ng nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hoachatlocthien.com\/en\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2\/#23_Ma_dien_xu_ly_be_mat\" title=\"2.3. M\u1ea1 \u0111i\u1ec7n &#038; x\u1eed l\u00fd b\u1ec1 m\u1eb7t\">2.3. M\u1ea1 \u0111i\u1ec7n &#038; x\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hoachatlocthien.com\/en\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2\/#24_San_xuat_pigment_sac_to\" title=\"2.4. S\u1ea3n xu\u1ea5t pigment &#038; s\u1eafc t\u1ed1\">2.4. S\u1ea3n xu\u1ea5t pigment &#038; s\u1eafc t\u1ed1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hoachatlocthien.com\/en\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2\/#25_Y_te_dinh_duong\" title=\"2.5. Y t\u1ebf &#038; dinh d\u01b0\u1ee1ng\">2.5. Y t\u1ebf &#038; dinh d\u01b0\u1ee1ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hoachatlocthien.com\/en\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2\/#3_Luu_y_khi_su_dung_bao_quan_phen_sat_2\" title=\"3. L\u01b0u \u00fd khi s\u1eed d\u1ee5ng &#038; b\u1ea3o qu\u1ea3n ph\u00e8n s\u1eaft 2\">3. L\u01b0u \u00fd khi s\u1eed d\u1ee5ng &#038; b\u1ea3o qu\u1ea3n ph\u00e8n s\u1eaft 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hoachatlocthien.com\/en\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2\/#Lien_he_Hoa_Chat_Loc_Thien\" title=\"Lien he Hoa Chat Loc Thien\">Lien he Hoa Chat Loc Thien<\/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\/en\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep-2\/#FAQ\" title=\"FAQ\">FAQ<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Tong_quan_ve_phen_sat_2_FeSO4%C2%B77H2O\"><\/span>1. T\u1ed5ng quan v\u1ec1 ph\u00e8n s\u1eaft 2 (FeSO4\u00b77H2O)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Tinh th\u1ec3 h\u00ecnh kim, m\u00e0u xanh l\u1ee5c nh\u1ea1t.<\/li>\n<li>H\u00e0m l\u01b0\u1ee3ng Fe ~ 19\u201320% (d\u1ea1ng heptahydrate).<\/li>\n<li>Tan t\u1ed1t trong n\u01b0\u1edbc, dung d\u1ecbch c\u00f3 t\u00ednh axit nh\u1eb9.<\/li>\n<li>D\u1ec5 b\u1ecb oxy h\u00f3a th\u00e0nh Fe3+ trong kh\u00f4ng kh\u00ed \u1ea9m.<\/li>\n<li>Bao 25 kg PP\/PE l\u00e0 quy c\u00e1ch ph\u1ed5 bi\u1ebfn.<\/li>\n<\/ul>\n<\/section>\n<section id=\"ung-dung\">\n<h2><span class=\"ez-toc-section\" id=\"2_Ung_dung_phen_sat_2_trong_cong_nghiep\"><\/span>2. \u1ee8ng d\u1ee5ng ph\u00e8n s\u1eaft 2 trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"21_Xu_ly_nuoc_thai\"><\/span>2.1. X\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>FeSO4 d\u00f9ng \u0111\u1ec3 keo t\u1ee5, kh\u1eed Cr6+ th\u00e0nh Cr3+, k\u1ebft t\u1ee7a sulfide ki\u1ec3m so\u00e1t m\u00f9i H2S, lo\u1ea1i b\u1ecf phosphate trong n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"22_Nong_nghiep\"><\/span>2.2. N\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ed5 sung s\u1eaft cho c\u00e2y tr\u1ed3ng (c\u00e2y \u0103n qu\u1ea3, hoa ki\u1ec3ng) khi \u0111\u1ea5t ki\u1ec1m g\u00e2y thi\u1ebfu s\u1eaft; tr\u1ecb r\u00eau, rong t\u1ea3o trong ao h\u1ed3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"23_Ma_dien_xu_ly_be_mat\"><\/span>2.3. M\u1ea1 \u0111i\u1ec7n &#038; x\u1eed l\u00fd b\u1ec1 m\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tham gia v\u00e0o dung d\u1ecbch m\u1ea1 s\u1eaft, t\u1ea9y g\u1ec9 th\u00e9p tr\u01b0\u1edbc m\u1ea1; l\u00e0m t\u00e1c nh\u00e2n kh\u1eed trong c\u00e1c quy tr\u00ecnh h\u00f3a h\u1ecdc.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"24_San_xuat_pigment_sac_to\"><\/span>2.4. S\u1ea3n xu\u1ea5t pigment &#038; s\u1eafc t\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u00e0 ti\u1ec1n ch\u1ea5t s\u1ea3n xu\u1ea5t oxit s\u1eaft v\u00e0ng\/\u0111\u1ecf\/\u0111en d\u00f9ng trong s\u01a1n, g\u1ea1ch men, v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"25_Y_te_dinh_duong\"><\/span>2.5. Y t\u1ebf &#038; dinh d\u01b0\u1ee1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>FeSO4 d\u01b0\u1ee3c ph\u1ea9m l\u00e0 th\u00e0nh ph\u1ea7n thu\u1ed1c b\u1ed5 s\u1eaft cho ng\u01b0\u1eddi thi\u1ebfu m\u00e1u thi\u1ebfu s\u1eaft.<\/p>\n<\/section>\n<figure style=\"margin:18px 0;text-align:center;\"><img decoding=\"async\" class=\"thumb lazyload\" data-src=\"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/01\/So-Sanh-giua-Phen-Nhom-va-Phen-Sat.png\" alt=\"So S\u00e1nh gi\u1eefa Ph\u00e8n Nh\u00f4m v\u00e0 Ph\u00e8n S\u1eaft\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 700px; --smush-placeholder-aspect-ratio: 700\/417;\"><figcaption class=\"meta\">So S\u00e1nh gi\u1eefa Ph\u00e8n Nh\u00f4m v\u00e0 Ph\u00e8n S\u1eaft<\/figcaption><\/figure>\n<section id=\"luu-y\">\n<h2><span class=\"ez-toc-section\" id=\"3_Luu_y_khi_su_dung_bao_quan_phen_sat_2\"><\/span>3. L\u01b0u \u00fd khi s\u1eed d\u1ee5ng &#038; b\u1ea3o qu\u1ea3n ph\u00e8n s\u1eaft 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>L\u01b0u kho kh\u00f4 r\u00e1o, tr\u00e1nh \u00e1nh n\u1eafng \u0111\u1ec3 gi\u1ea3m oxy h\u00f3a.<\/li>\n<li>\u0110\u00f3ng k\u00edn bao sau khi m\u1edf \u0111\u1ec3 tr\u00e1nh h\u00fat \u1ea9m v\u00e0 oxy.<\/li>\n<li>Pha dung d\u1ecbch d\u00f9ng trong ng\u00e0y, kh\u00f4ng tr\u1eef dung d\u1ecbch l\u00e2u d\u00e0i.<\/li>\n<li>PPE: k\u00ednh, g\u0103ng tay khi pha tr\u1ed9n; r\u1eeda k\u1ef9 tay sau thao t\u00e1c.<\/li>\n<li>Tr\u00e1nh \u0111\u1ec3 r\u01a1i xu\u1ed1ng b\u00ea t\u00f4ng \u2013 c\u00f3 th\u1ec3 t\u1ea1o v\u1ebft xanh kh\u00f3 t\u1ea9y.<\/li>\n<\/ul>\n<\/section>\n<section id=\"lien-he\">\n<h2><span class=\"ez-toc-section\" id=\"Lien_he_Hoa_Chat_Loc_Thien\"><\/span>Lien he Hoa Chat Loc Thien<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Doi ngu ky thuat <strong>Hoa Chat Loc Thien<\/strong> san sang ho tro doanh nghiep.<\/p>\n<ul>\n<li>Hotline: <a href=\"tel:0979891929\">0979 89 1929<\/a><\/li>\n<li>Email: <a href=\"mailto:locthien@locthien.vn\">locthien@locthien.vn<\/a><\/li>\n<li>Website: <a href=\"https:\/\/hoachatlocthien.com\/\">hoachatlocthien.com\/<\/a><\/li>\n<\/ul>\n<\/section>\n<section id=\"faq\" class=\"faq\">\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>FAQ<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><strong>Ph\u00e8n s\u1eaft 2 l\u00e0 g\u00ec?<\/strong><br \/>Ph\u00e8n s\u1eaft 2 l\u00e0 FeSO4\u00b77H2O \u2013 mu\u1ed1i s\u1eaft h\u00f3a tr\u1ecb II ng\u1eadm 7 ph\u00e2n t\u1eed n\u01b0\u1edbc, d\u1ea1ng tinh th\u1ec3 xanh l\u1ee5c nh\u1ea1t. \u0110\u00e2y l\u00e0 ch\u1ea5t keo t\u1ee5 v\u00e0 b\u1ed5 sung s\u1eaft ph\u1ed5 bi\u1ebfn trong x\u1eed l\u00fd n\u01b0\u1edbc, n\u00f4ng nghi\u1ec7p v\u00e0 c\u00f4ng nghi\u1ec7p.<\/li>\n<li><strong>Ph\u00e8n s\u1eaft 2 c\u00f3 th\u1ec3 thay ph\u00e8n nh\u00f4m kh\u00f4ng?<\/strong><br \/>C\u00f3 th\u1ec3 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, \u0111\u1eb7c bi\u1ec7t khi c\u1ea7n lo\u1ea1i b\u1ecf phosphate ho\u1eb7c n\u01b0\u1edbc c\u00f3 pH th\u1ea5p. Tuy nhi\u00ean ph\u00e8n nh\u00f4m v\u00e0 PAC th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho n\u01b0\u1edbc c\u1ea5p v\u00ec m\u00e0u n\u01b0\u1edbc trong h\u01a1n.<\/li>\n<li><strong>Li\u1ec1u d\u00f9ng ph\u00e8n s\u1eaft 2 trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i bao nhi\u00eau?<\/strong><br \/>Ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i n\u01b0\u1edbc th\u1ea3i v\u00e0 m\u1ee5c \u0111\u00edch, th\u01b0\u1eddng 50\u2013500 mg\/L. C\u1ea7n Jar test \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec1u t\u1ed1i \u01b0u v\u00e0 pH ph\u00f9 h\u1ee3p (5,5\u20138,5).<\/li>\n<li><strong>Ph\u00e8n s\u1eaft 2 c\u00f3 an to\u00e0n cho c\u00e2y tr\u1ed3ng kh\u00f4ng?<\/strong><br \/>C\u00f3, \u1edf li\u1ec1u khuy\u1ebfn ngh\u1ecb (1\u20133 g\/L t\u01b0\u1edbi g\u1ed1c ho\u1eb7c phun l\u00e1). Qu\u00e1 li\u1ec1u c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y l\u00e1 v\u00e0 l\u00e0m chua \u0111\u1ea5t. N\u00ean test tr\u00ean m\u1ed9t v\u00f9ng nh\u1ecf tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng di\u1ec7n r\u1ed9ng.<\/li>\n<li><strong>Mua ph\u00e8n s\u1eaft 2 ch\u00ednh h\u00e3ng t\u1ea1i L\u1ed9c Thi\u00ean c\u00f3 g\u00ec kh\u00e1c?<\/strong><br \/>L\u1ed9c Thi\u00ean cung c\u1ea5p ph\u00e8n s\u1eaft 2 (FeSO4\u00b77H2O) bao 25kg v\u1edbi h\u00e0m l\u01b0\u1ee3ng Fe \u1ed5n \u0111\u1ecbnh, COA v\u00e0 MSDS \u0111\u1ea7y \u0111\u1ee7, giao t\u1eadn n\u01a1i t\u1ea1i mi\u1ec1n Nam.<\/li>\n<\/ol>\n<\/section>\n<\/article>\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Organization\",\n      \"@id\": \"https:\/\/hoachatlocthien.com\/#org\",\n      \"name\": \"Hoa Chat Loc Thien\",\n      \"url\": \"https:\/\/hoachatlocthien.com\/\",\n      \"logo\": \"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/02\/logo-locthien.png\",\n      \"telephone\": \"+84979891929\",\n      \"email\": \"locthien@locthien.vn\"\n    },\n    {\n      \"@type\": \"BreadcrumbList\",\n      \"@id\": \"https:\/\/hoachatlocthien.com\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep\/#breadcrumb\",\n      \"itemListElement\": [\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 1,\n          \"name\": \"Trang chu\",\n          \"item\": \"https:\/\/hoachatlocthien.com\/\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 2,\n          \"name\": \"H\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc\",\n          \"item\": \"https:\/\/hoachatlocthien.com\/kien-thuc-hoa-chat\/\"\n        },\n        {\n          \"@type\": \"ListItem\",\n          \"position\": 3,\n          \"name\": \"Ph\u00e8n S\u1eaft 2 (FeSO4): T\u1ed5ng Quan & \u1ee8ng D\u1ee5ng Trong C\u00f4ng Nghi\u1ec7p\",\n          \"item\": \"https:\/\/hoachatlocthien.com\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep\/\"\n        }\n      ]\n    },\n    {\n      \"@type\": \"Article\",\n      \"@id\": \"https:\/\/hoachatlocthien.com\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep\/#article\",\n      \"headline\": \"Ph\u00e8n S\u1eaft 2 (FeSO4): T\u1ed5ng Quan & \u1ee8ng D\u1ee5ng Trong C\u00f4ng Nghi\u1ec7p\",\n      \"description\": \"Ph\u00e8n s\u1eaft 2 (FeSO4\u00b77H2O) l\u00e0 ch\u1ea5t keo t\u1ee5 kinh t\u1ebf, d\u00f9ng trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, n\u00f4ng nghi\u1ec7p, m\u1ea1 \u0111i\u1ec7n. T\u1ed5ng h\u1ee3p t\u00ednh ch\u1ea5t, \u1ee9ng d\u1ee5ng v\u00e0 l\u01b0u \u00fd khi d\u00f9ng ph\u00e8n s\u1eaft 2.\",\n      \"image\": \"https:\/\/hoachatlocthien.com\/wp-content\/uploads\/2025\/01\/So-sanh-phen-nhom-va-phen-sat-png.webp\",\n      \"datePublished\": \"2026-05-06T08:00:00+07:00\",\n      \"dateModified\": \"2026-05-06T08:00:00+07:00\",\n      \"author\": {\n        \"@type\": \"Organization\",\n        \"@id\": \"https:\/\/hoachatlocthien.com\/#org\",\n        \"name\": \"Hoa Chat Loc Thien\"\n      },\n      \"publisher\": {\n        \"@type\": \"Organization\",\n        \"@id\": \"https:\/\/hoachatlocthien.com\/#org\"\n      },\n      \"mainEntityOfPage\": {\n        \"@type\": \"WebPage\",\n        \"@id\": \"https:\/\/hoachatlocthien.com\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep\/\"\n      },\n      \"articleSection\": [\n        \"H\u00f3a ch\u1ea5t x\u1eed l\u00fd n\u01b0\u1edbc\",\n        \"Ph\u00e8n s\u1eaft\"\n      ],\n      \"keywords\": [\n        \"ph\u00e8n s\u1eaft 2\",\n        \"FeSO4\",\n        \"FeSO4 7H2O\",\n        \"ferrous sulfate\",\n        \"\u1ee9ng d\u1ee5ng ph\u00e8n s\u1eaft 2\"\n      ]\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"@id\": \"https:\/\/hoachatlocthien.com\/phen-sat-2-tong-quan-va-ung-dung-trong-cong-nghiep\/#faq-schema\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Ph\u00e8n s\u1eaft 2 l\u00e0 g\u00ec?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Ph\u00e8n s\u1eaft 2 l\u00e0 FeSO4\u00b77H2O \u2013 mu\u1ed1i s\u1eaft h\u00f3a tr\u1ecb II ng\u1eadm 7 ph\u00e2n t\u1eed n\u01b0\u1edbc, d\u1ea1ng tinh th\u1ec3 xanh l\u1ee5c nh\u1ea1t. \u0110\u00e2y l\u00e0 ch\u1ea5t keo t\u1ee5 v\u00e0 b\u1ed5 sung s\u1eaft ph\u1ed5 bi\u1ebfn trong x\u1eed l\u00fd n\u01b0\u1edbc, n\u00f4ng nghi\u1ec7p v\u00e0 c\u00f4ng nghi\u1ec7p.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Ph\u00e8n s\u1eaft 2 c\u00f3 th\u1ec3 thay ph\u00e8n nh\u00f4m kh\u00f4ng?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"C\u00f3 th\u1ec3 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, \u0111\u1eb7c bi\u1ec7t khi c\u1ea7n lo\u1ea1i b\u1ecf phosphate ho\u1eb7c n\u01b0\u1edbc c\u00f3 pH th\u1ea5p. Tuy nhi\u00ean ph\u00e8n nh\u00f4m v\u00e0 PAC th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho n\u01b0\u1edbc c\u1ea5p v\u00ec m\u00e0u n\u01b0\u1edbc trong h\u01a1n.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Li\u1ec1u d\u00f9ng ph\u00e8n s\u1eaft 2 trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i bao nhi\u00eau?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i n\u01b0\u1edbc th\u1ea3i v\u00e0 m\u1ee5c \u0111\u00edch, th\u01b0\u1eddng 50\u2013500 mg\/L. C\u1ea7n Jar test \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec1u t\u1ed1i \u01b0u v\u00e0 pH ph\u00f9 h\u1ee3p (5,5\u20138,5).\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Ph\u00e8n s\u1eaft 2 c\u00f3 an to\u00e0n cho c\u00e2y tr\u1ed3ng kh\u00f4ng?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"C\u00f3, \u1edf li\u1ec1u khuy\u1ebfn ngh\u1ecb (1\u20133 g\/L t\u01b0\u1edbi g\u1ed1c ho\u1eb7c phun l\u00e1). Qu\u00e1 li\u1ec1u c\u00f3 th\u1ec3 g\u00e2y ch\u00e1y l\u00e1 v\u00e0 l\u00e0m chua \u0111\u1ea5t. N\u00ean test tr\u00ean m\u1ed9t v\u00f9ng nh\u1ecf tr\u01b0\u1edbc khi \u00e1p d\u1ee5ng di\u1ec7n r\u1ed9ng.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Mua ph\u00e8n s\u1eaft 2 ch\u00ednh h\u00e3ng t\u1ea1i L\u1ed9c Thi\u00ean c\u00f3 g\u00ec kh\u00e1c?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"L\u1ed9c Thi\u00ean cung c\u1ea5p ph\u00e8n s\u1eaft 2 (FeSO4\u00b77H2O) bao 25kg v\u1edbi h\u00e0m l\u01b0\u1ee3ng Fe \u1ed5n \u0111\u1ecbnh, COA v\u00e0 MSDS \u0111\u1ea7y \u0111\u1ee7, giao t\u1eadn n\u01a1i t\u1ea1i mi\u1ec1n Nam.\"\n          }\n        }\n      ]\n    }\n  ]\n}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e8n s\u1eaft 2 (FeSO4\u00b77H2O) l\u00e0 ch\u1ea5t keo t\u1ee5 kinh t\u1ebf, d\u00f9ng trong x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, n\u00f4ng nghi\u1ec7p, m\u1ea1 \u0111i\u1ec7n. T\u1ed5ng h\u1ee3p t\u00ednh ch\u1ea5t, \u1ee9ng d\u1ee5ng v\u00e0 l\u01b0u \u00fd khi d\u00f9ng ph\u00e8n s\u1eaft 2.<\/p>","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1234],"tags":[1290,1288,1289,477,1291],"class_list":["post-9016","post","type-post","status-publish","format-standard","hentry","category-hoa-chat-xu-ly-nuoc","tag-ferrous-sulfate","tag-feso4","tag-feso4-7h2o","tag-phen-sat-2","tag-ung-dung-phen-sat-2"],"acf":[],"_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9016","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/comments?post=9016"}],"version-history":[{"count":0,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/posts\/9016\/revisions"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/media?parent=9016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/categories?post=9016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/en\/wp-json\/wp\/v2\/tags?post=9016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}