{"id":9182,"date":"2026-07-11T14:53:52","date_gmt":"2026-07-11T07:53:52","guid":{"rendered":"https:\/\/hoachatlocthien.com\/fecl2-fecl3-iron-coagulant-supplier-vietnam"},"modified":"2026-07-11T14:53:56","modified_gmt":"2026-07-11T07:53:56","slug":"fecl2-fecl3-iron-coagulant-supplier-vietnam","status":"publish","type":"post","link":"https:\/\/hoachatlocthien.com\/zh\/fecl2-fecl3-iron-coagulant-supplier-vietnam","title":{"rendered":"FeCl2 vs FeCl3: Which Iron Coagulant for Wastewater Treatment in Vietnam?"},"content":{"rendered":"<p>Choosing the wrong iron coagulant does not just affect treatment performance \u2014 it directly raises your chemical dosage costs, increases sludge volume, and puts your discharge certificate at risk under <strong>QCVN 40:2011\/BTNMT<\/strong> (industrial wastewater) or <strong>QCVN 14:2008\/BTNMT<\/strong> (domestic wastewater). Yet FeCl2 (ferrous chloride) and FeCl3 (ferric chloride) are routinely confused at the procurement stage, leading to plant upsets that take weeks to correct.<\/p>\n\n<p>This guide compares both iron coagulants side by side \u2014 chemistry, operating conditions, optimal use cases, available specifications in Vietnam, and how to source them with full ZDHC\/MSDS documentation from a reliable local supplier.<\/p>\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\">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-fecl3-iron-coagulant-supplier-vietnam\/#FeCl2_vs_FeCl3_Key_Chemical_Differences\" title=\"FeCl2 vs FeCl3: Key Chemical Differences\">FeCl2 vs FeCl3: Key Chemical Differences<\/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\/zh\/fecl2-fecl3-iron-coagulant-supplier-vietnam\/#When_to_Use_FeCl2_Ferrous_Chloride\" title=\"When to Use FeCl2 (Ferrous Chloride)\">When to Use FeCl2 (Ferrous Chloride)<\/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\/zh\/fecl2-fecl3-iron-coagulant-supplier-vietnam\/#1_Textile_Dyeing_and_Finishing_Wastewater\" title=\"1. Textile Dyeing and Finishing Wastewater\">1. Textile Dyeing and Finishing Wastewater<\/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-fecl3-iron-coagulant-supplier-vietnam\/#2_Phosphorus_Removal_Biological_Chemical_Combination\" title=\"2. Phosphorus Removal (Biological + Chemical Combination)\">2. Phosphorus Removal (Biological + Chemical Combination)<\/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\/zh\/fecl2-fecl3-iron-coagulant-supplier-vietnam\/#3_Sulphide_and_Heavy_Metal_Control\" title=\"3. Sulphide and Heavy Metal Control\">3. Sulphide and Heavy Metal Control<\/a><\/li><\/ul><\/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-fecl3-iron-coagulant-supplier-vietnam\/#When_to_Use_FeCl3_Ferric_Chloride\" title=\"When to Use FeCl3 (Ferric Chloride)\">When to Use FeCl3 (Ferric Chloride)<\/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-fecl3-iron-coagulant-supplier-vietnam\/#1_PCB_Printed_Circuit_Board_Etching_in_Electronics_Manufacturing\" title=\"1. PCB (Printed Circuit Board) Etching in Electronics Manufacturing\">1. PCB (Printed Circuit Board) Etching in Electronics Manufacturing<\/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-fecl3-iron-coagulant-supplier-vietnam\/#2_Municipal_and_Mixed_Industrial_Wastewater\" title=\"2. Municipal and Mixed Industrial Wastewater\">2. Municipal and Mixed Industrial Wastewater<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-fecl3-iron-coagulant-supplier-vietnam\/#3_Colour_and_Turbidity_Removal\" title=\"3. Colour and Turbidity Removal\">3. Colour and Turbidity Removal<\/a><\/li><\/ul><\/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\/zh\/fecl2-fecl3-iron-coagulant-supplier-vietnam\/#FeCl2_vs_FeCl3_Side-by-Side_Comparison_Table\" title=\"FeCl2 vs FeCl3: Side-by-Side Comparison Table\">FeCl2 vs FeCl3: Side-by-Side Comparison Table<\/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\/zh\/fecl2-fecl3-iron-coagulant-supplier-vietnam\/#FeCl2_and_FeCl3_Supply_at_Loc_Thien_Chemical\" title=\"FeCl2 and FeCl3 Supply at Loc Thien Chemical\">FeCl2 and FeCl3 Supply at Loc Thien Chemical<\/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-fecl3-iron-coagulant-supplier-vietnam\/#FeCl2_Ferrous_Chloride_%E2%80%94_Product_Specifications\" title=\"FeCl2 (Ferrous Chloride) \u2014 Product Specifications\">FeCl2 (Ferrous Chloride) \u2014 Product Specifications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-fecl3-iron-coagulant-supplier-vietnam\/#FeCl3_Ferric_Chloride_%E2%80%94_Product_Specifications\" title=\"FeCl3 (Ferric Chloride) \u2014 Product Specifications\">FeCl3 (Ferric Chloride) \u2014 Product Specifications<\/a><\/li><\/ul><\/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-fecl3-iron-coagulant-supplier-vietnam\/#Delivery_to_Industrial_Zones_in_Vietnam\" title=\"Delivery to Industrial Zones in Vietnam\">Delivery to Industrial Zones in Vietnam<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-fecl3-iron-coagulant-supplier-vietnam\/#Frequently_Asked_Questions\" title=\"Frequently Asked Questions\">Frequently Asked Questions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/hoachatlocthien.com\/zh\/fecl2-fecl3-iron-coagulant-supplier-vietnam\/#Ready_to_Order_FeCl2_or_FeCl3_for_Your_Plant\" title=\"Ready to Order FeCl2 or FeCl3 for Your Plant?\">Ready to Order FeCl2 or FeCl3 for Your Plant?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"FeCl2_vs_FeCl3_Key_Chemical_Differences\"><\/span>FeCl2 vs FeCl3: Key Chemical Differences<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Ferrous chloride (FeCl2) and ferric chloride (FeCl3) are both iron-based coagulants derived from hydrochloric acid treatment of iron, but they carry iron in different oxidation states \u2014 Fe\u00b2\u207a and Fe\u00b3\u207a respectively \u2014 and this single difference drives very different behaviour inside a treatment system.<\/p>\n\n<p><strong>FeCl2 \u2014 Ferrous Chloride (Fe\u00b2\u207a)<\/strong><\/p>\n<ul>\n<li>Molecular weight: 126.75 g\/mol<\/li>\n<li>Iron oxidation state: +2 (divalent)<\/li>\n<li>Colour in solution: Light green to pale yellow<\/li>\n<li>Requires dissolved oxygen or a co-oxidant (e.g., Cl\u2082, H\u2082O\u2082) to convert Fe\u00b2\u207a \u2192 Fe\u00b3\u207a for effective floc formation at higher pH<\/li>\n<li>Effective coagulation pH: <strong>8.5 \u2013 11<\/strong> (best in alkaline conditions)<\/li>\n<li>Produces a denser, faster-settling sludge when operated correctly<\/li>\n<li>CAS Number: 7758-94-3<\/li>\n<\/ul>\n\n<p><strong>FeCl3 \u2014 Ferric Chloride (Fe\u00b3\u207a)<\/strong><\/p>\n<ul>\n<li>Molecular weight: 162.20 g\/mol<\/li>\n<li>Iron oxidation state: +3 (trivalent)<\/li>\n<li>Colour in solution: Dark amber to brown<\/li>\n<li>Hydrolyses spontaneously to form Fe(OH)\u2083 floc without additional oxidant<\/li>\n<li>Effective coagulation pH: <strong>5.0 \u2013 9.0<\/strong> (wider range; works in acidic conditions)<\/li>\n<li>Reacts faster; lower dosage typically needed compared to FeCl2 for equivalent TSS removal<\/li>\n<li>CAS Number: 7705-08-0<\/li>\n<\/ul>\n\n<p>The fundamental rule: <strong>FeCl3 is the more versatile coagulant for most wastewater streams.<\/strong> FeCl2 is the preferred choice when your process operates at high alkalinity, or when you are targeting specific contaminants such as sulphides or certain heavy metals that benefit from a reducing iron environment.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"When_to_Use_FeCl2_Ferrous_Chloride\"><\/span>When to Use FeCl2 (Ferrous Chloride)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>FeCl2 is the coagulant of choice in three principal application scenarios in Vietnam&#8217;s industrial wastewater sector:<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"1_Textile_Dyeing_and_Finishing_Wastewater\"><\/span>1. Textile Dyeing and Finishing Wastewater<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vietnam&#8217;s textile industry \u2014 concentrated in provinces such as B\u00ecnh D\u01b0\u01a1ng, \u0110\u1ed3ng Nai, and Long An \u2014 generates highly alkaline wastewater with pH values often ranging from 9 to 12 after the desizing and scouring steps. In this alkaline environment, FeCl2 oxidises in situ to Fe(OH)\u2083 floc without needing additional acidification, making it cost-effective where pH adjustment chemicals would otherwise be required. It is particularly effective at adsorbing reactive dyes and azo dye intermediates onto the iron hydroxide floc structure.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"2_Phosphorus_Removal_Biological_Chemical_Combination\"><\/span>2. Phosphorus Removal (Biological + Chemical Combination)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In plants running activated sludge processes for BOD removal, FeCl2 is often dosed directly into the aeration tank or at the outlet of a secondary clarifier to precipitate soluble phosphate as vivianite (Fe\u2083(PO\u2084)\u2082). The reaction under aerobic conditions produces an insoluble Fe\u2013P complex that exits in the waste sludge. Effluent total phosphorus can be reduced to below 4 mg\/L \u2014 the threshold required under QCVN 40:2011, Column B.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"3_Sulphide_and_Heavy_Metal_Control\"><\/span>3. Sulphide and Heavy Metal Control<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In industrial parks where electroplating, metal surface treatment, or leather tanning processes generate sulphide-laden wastewater, FeCl2 reacts with sulphide ions to precipitate FeS. This is both a coagulation step and a chemical oxidation\/precipitation step. Similarly, FeCl2 aids co-precipitation of heavy metals such as cadmium (Cd\u00b2\u207a) and lead (Pb\u00b2\u207a) in moderately alkaline conditions.<\/p>\n\n<p><strong>Practical note for Vietnam operations:<\/strong> FeCl2 in liquid form degrades faster than FeCl3 on exposure to air \u2014 oxidation to FeCl3 occurs over time, changing the product&#8217;s behaviour. Always store drums sealed and use within the supplier&#8217;s stated shelf life. Request MSDS documentation to confirm storage protocol.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"When_to_Use_FeCl3_Ferric_Chloride\"><\/span>When to Use FeCl3 (Ferric Chloride)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>FeCl3 is the dominant iron coagulant in global wastewater practice, and for good reason: it works across a wide pH range, reacts quickly, and produces a robust floc that settles well in standard clarifiers.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"1_PCB_Printed_Circuit_Board_Etching_in_Electronics_Manufacturing\"><\/span>1. PCB (Printed Circuit Board) Etching in Electronics Manufacturing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vietnam&#8217;s electronics manufacturing sector \u2014 anchored by Samsung, Intel, and hundreds of component suppliers in H\u00e0 N\u1ed9i, Th\u00e1i Nguy\u00ean, and HCMC \u2014 uses FeCl3 as the primary etchant to selectively dissolve unwanted copper from PCB substrates. The reaction is:<\/p>\n\n<p><code>2 FeCl\u2083 + Cu \u2192 2 FeCl\u2082 + CuCl\u2082<\/code><\/p>\n\n<p>Concentration for PCB etching: typically <strong>36\u201340% w\/v<\/strong> liquid solution. Spent etchant is recovered for copper extraction and the residual FeCl2\/FeCl3 mixture is then treated in the wastewater system. Suppliers such as Loc Thien Chemical ship FeCl3 in IBC tanks (1,000 L) or drums (200 L) to electronics parks in the North and South.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"2_Municipal_and_Mixed_Industrial_Wastewater\"><\/span>2. Municipal and Mixed Industrial Wastewater<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>For wastewater treatment plants serving mixed-source industrial zones (food processing + light manufacturing + domestic), FeCl3 provides reliable TSS, BOD, and phosphorus removal across the variable influent quality these plants see. It can be dosed at pH 6\u20138 without auxiliary alkalinity addition in most cases, simplifying operations.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"3_Colour_and_Turbidity_Removal\"><\/span>3. Colour and Turbidity Removal<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>FeCl3 is significantly more effective than FeCl2 for colour removal from surface water and from wastewater containing humic substances, tannins, or direct\/reactive dyes at acidic-to-neutral pH. The higher charge density of Fe\u00b3\u207a destabilises colloidal colour particles more effectively.<\/p>\n\n<p><strong>Practical note:<\/strong> FeCl3 is strongly acidic (pH of 36\u201340% solution \u2248 1\u20132). Handle with full PPE \u2014 face shield, acid-resistant gloves, rubber boots. Never add water to concentrated FeCl3; always add FeCl3 to dilution water. MSDS must be on-site before handling.<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"FeCl2_vs_FeCl3_Side-by-Side_Comparison_Table\"><\/span>FeCl2 vs FeCl3: Side-by-Side Comparison Table<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<figure class=\"wp-block-table\"><table><tbody>\n<tr><th>Parameter<\/th><th>FeCl2 (Ferrous Chloride)<\/th><th>FeCl3 (Ferric Chloride)<\/th><\/tr>\n<tr><td><strong>Iron Oxidation State<\/strong><\/td><td>Fe\u00b2\u207a<\/td><td>Fe\u00b3\u207a<\/td><\/tr>\n<tr><td><strong>Effective pH Range<\/strong><\/td><td>8.5 \u2013 11.0<\/td><td>5.0 \u2013 9.0<\/td><\/tr>\n<tr><td><strong>Typical Liquid Concentration (Vietnam)<\/strong><\/td><td>25 \u2013 30% w\/v<\/td><td>36 \u2013 40% w\/v<\/td><\/tr>\n<tr><td><strong>Typical Dosage (wastewater)<\/strong><\/td><td>150 \u2013 400 mg\/L<\/td><td>50 \u2013 200 mg\/L<\/td><\/tr>\n<tr><td><strong>Floc Settling Speed<\/strong><\/td><td>Moderate \u2013 Fast (in alkaline conditions)<\/td><td>Fast<\/td><\/tr>\n<tr><td><strong>Sludge Volume<\/strong><\/td><td>Lower (denser floc)<\/td><td>Moderate<\/td><\/tr>\n<tr><td><strong>Colour Removal Efficiency<\/strong><\/td><td>Moderate<\/td><td>High<\/td><\/tr>\n<tr><td><strong>Phosphorus Removal<\/strong><\/td><td>Good (alkaline, aeration systems)<\/td><td>Good (wider pH range)<\/td><\/tr>\n<tr><td><strong>PCB Etching Suitability<\/strong><\/td><td>\u274c Not applicable<\/td><td>\u2705 Primary etchant<\/td><\/tr>\n<tr><td><strong>Sulphide Precipitation<\/strong><\/td><td>\u2705 Effective<\/td><td>Limited<\/td><\/tr>\n<tr><td><strong>Availability in Vietnam<\/strong><\/td><td>\u2705 Available (Loc Thien Chemical)<\/td><td>\u2705 Available (Loc Thien Chemical)<\/td><\/tr>\n<tr><td><strong>ZDHC \/ MSDS Documentation<\/strong><\/td><td>\u2705 Provided<\/td><td>\u2705 Provided<\/td><\/tr>\n<tr><td><strong>Relative Cost (per kg Fe)<\/strong><\/td><td>Generally lower unit cost<\/td><td>Slightly higher; lower dosage offsets<\/td><\/tr>\n<tr><td><strong>Storage Sensitivity<\/strong><\/td><td>Oxidises on air exposure; keep sealed<\/td><td>Stable; corrosive to metals<\/td><\/tr>\n<tr><td><strong>Primary Use Cases Vietnam<\/strong><\/td><td>Textile WWT, phosphorus removal, heavy metals<\/td><td>PCB etching, municipal WWT, colour removal<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n<h2><span class=\"ez-toc-section\" id=\"FeCl2_and_FeCl3_Supply_at_Loc_Thien_Chemical\"><\/span>FeCl2 and FeCl3 Supply at Loc Thien Chemical<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p><strong>Loc Thien Chemical (H\u00f3a Ch\u1ea5t L\u1ed9c Thi\u00ean)<\/strong> is a Vietnam-based industrial chemical distributor supplying both ferrous chloride and ferric chloride to factories, wastewater treatment plants, and electronics manufacturers across the country.<\/p>\n\n<h3><span class=\"ez-toc-section\" id=\"FeCl2_Ferrous_Chloride_%E2%80%94_Product_Specifications\"><\/span>FeCl2 (Ferrous Chloride) \u2014 Product Specifications<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Product ID:<\/strong> 534<\/li>\n<li><strong>Form:<\/strong> Liquid solution, 25\u201330% w\/v<\/li>\n<li><strong>Appearance:<\/strong> Light green to pale yellow liquid<\/li>\n<li><strong>Primary applications:<\/strong> Textile dyeing wastewater treatment, phosphorus precipitation, heavy metal co-precipitation, industrial park WWTPs<\/li>\n<li><strong>Packaging:<\/strong> Drums (200 L), IBC tanks (1,000 L), bulk tanker on request<\/li>\n<li><strong>Documentation:<\/strong> MSDS (Vietnamese + English), ZDHC MRSL Level 1 compliance documentation available<\/li>\n<li><strong>Product URL:<\/strong> <a href=\"https:\/\/hoachatlocthien.com\/en\/product\/fecl2-sat-ii-clorua\">https:\/\/hoachatlocthien.com\/en\/product\/fecl2-sat-ii-clorua<\/a><\/li>\n<\/ul>\n\n<h3><span class=\"ez-toc-section\" id=\"FeCl3_Ferric_Chloride_%E2%80%94_Product_Specifications\"><\/span>FeCl3 (Ferric Chloride) \u2014 Product Specifications<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Product ID:<\/strong> 772<\/li>\n<li><strong>Form:<\/strong> Liquid solution, 36\u201340% w\/v<\/li>\n<li><strong>Appearance:<\/strong> Dark amber\/brown liquid<\/li>\n<li><strong>Primary applications:<\/strong> PCB etching (electronics manufacturing), municipal and industrial WWTP coagulation, colour and turbidity removal<\/li>\n<li><strong>Packaging:<\/strong> Drums (200 L), IBC tanks (1,000 L), bulk tanker on request<\/li>\n<li><strong>Documentation:<\/strong> MSDS (Vietnamese + English), ZDHC MRSL Level 1 compliance documentation available<\/li>\n<li><strong>Product URL:<\/strong> <a href=\"https:\/\/hoachatlocthien.com\/en\/product\/fecl3-sat-iii-chloride\">https:\/\/hoachatlocthien.com\/en\/product\/fecl3-sat-iii-chloride<\/a><\/li>\n<\/ul>\n\n<h2><span class=\"ez-toc-section\" id=\"Delivery_to_Industrial_Zones_in_Vietnam\"><\/span>Delivery to Industrial Zones in Vietnam<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Loc Thien Chemical operates from a warehouse and distribution facility in <strong>Ho Chi Minh City<\/strong> and provides scheduled and on-demand delivery of FeCl2 and FeCl3 to industrial zones and factories throughout Vietnam:<\/p>\n\n<figure class=\"wp-block-table\"><table><tbody>\n<tr><th>Region<\/th><th>Coverage<\/th><\/tr>\n<tr><td><strong>Ho Chi Minh City<\/strong><\/td><td>All districts; same-day or next-day delivery for standard orders<\/td><\/tr>\n<tr><td><strong>B\u00ecnh D\u01b0\u01a1ng<\/strong><\/td><td>VSIP I &amp; II, M\u1ef9 Ph\u01b0\u1edbc, \u0110\u1ea1i \u0110\u0103ng, and other KCN \u2014 1\u20132 business days<\/td><\/tr>\n<tr><td><strong>\u0110\u1ed3ng Nai<\/strong><\/td><td>Amata, Long Th\u00e0nh, Nh\u01a1n Tr\u1ea1ch \u2014 1\u20132 business days<\/td><\/tr>\n<tr><td><strong>Long An \/ T\u00e2y Ninh<\/strong><\/td><td>2\u20133 business days<\/td><\/tr>\n<tr><td><strong>Nationwide<\/strong><\/td><td>Freight delivery available to all provinces; contact for schedule and MOQ<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n<p><strong>Logistics notes:<\/strong><\/p>\n<ul>\n<li>Both FeCl2 and FeCl3 are classified as hazardous goods for transport \u2014 all deliveries include compliant dangerous goods documentation (DG manifest, MSDS)<\/li>\n<li>IBC and drum return\/exchange programme available for regular customers<\/li>\n<li>Emergency top-up deliveries available for plants facing unplanned demand spikes \u2014 call +84 979 891 929<\/li>\n<\/ul>\n\n<p><strong>Contact &amp; Ordering:<\/strong><\/p>\n<p>\ud83d\udcde Hotline: <strong>+84 979 891 929<\/strong><br>\n\u2709\ufe0f Email: <strong>locthien@locthien.vn<\/strong><br>\n\ud83d\udccd Address: 452\/6B T\u1ec9nh L\u1ed9 10, P. B\u00ecnh Tr\u1ecb \u0110\u00f4ng, Q. B\u00ecnh T\u00e2n, TP.HCM<\/p>\n\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h2><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I switch between FeCl2 and FeCl3 in my existing wastewater treatment system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, but a controlled transition is required. FeCl2 and FeCl3 have different effective pH ranges \u2014 FeCl2 works best above pH 8.5, while FeCl3 is effective from pH 5.0 to 9.0. Switching products without adjusting your pH control, dosage pump settings, and coagulant aid (polymer) programme can cause under-treatment or excess sludge generation. We recommend running a bench-scale jar test on your actual influent before switching. Loc Thien Chemical can provide sample quantities and technical guidance to support your jar test programme \u2014 contact us at +84 979 891 929 or locthien@locthien.vn.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What concentration of FeCl2 and FeCl3 is available from Loc Thien Chemical in Vietnam?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Loc Thien Chemical supplies FeCl2 (ferrous chloride) as a liquid solution at 25\u201330% w\/v concentration, and FeCl3 (ferric chloride) as a liquid solution at 36\u201340% w\/v concentration. Both are available in 200-litre drums and 1,000-litre IBC tanks. Bulk tanker delivery is available for high-volume orders. Certificate of Analysis confirming concentration and purity is provided with each batch. For custom concentration requirements or technical specifications, contact us at locthien@locthien.vn.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do you supply ZDHC-compliant documentation for FeCl2 and FeCl3?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Loc Thien Chemical provides ZDHC MRSL (Manufacturing Restricted Substances List) Level 1 compliance documentation for both FeCl2 and FeCl3. This is particularly relevant for textile and garment manufacturers supplying international brands that require ZDHC Gateway-verified chemical management. In addition, full MSDS (Material Safety Data Sheet) in both Vietnamese and English is provided as standard with every order. If your facility requires additional documentation for audit, ISO 14001 compliance review, or QCVN regulatory submission, please contact us in advance so we can prepare the full document package.\"\n      }\n    }\n  ]\n}\n<\/script><h2><span class=\"ez-toc-section\" id=\"Ready_to_Order_FeCl2_or_FeCl3_for_Your_Plant\"><\/span>Ready to Order FeCl2 or FeCl3 for Your Plant?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Whether you operate a textile dyeing WWTP, a PCB etching facility, or a municipal wastewater treatment plant, <strong>Loc Thien Chemical<\/strong> has the right iron coagulant, the correct concentration, and the compliance documentation your team needs.<\/p>\n\n<ul>\n<li>\u2705 <strong>FeCl2 (Ferrous Chloride):<\/strong> Liquid 25\u201330%, ideal for alkaline wastewater, textile, phosphorus removal<\/li>\n<li>\u2705 <strong>FeCl3 (Ferric Chloride):<\/strong> Liquid 36\u201340%, ideal for PCB etching, colour removal, general WWTP coagulation<\/li>\n<li>\u2705 MSDS + ZDHC documentation included<\/li>\n<li>\u2705 Delivery to HCMC, B\u00ecnh D\u01b0\u01a1ng, \u0110\u1ed3ng Nai, and nationwide<\/li>\n<li>\u2705 Same-day delivery available in HCMC<\/li>\n<\/ul>\n\n<p><strong>Contact our technical team today:<\/strong><\/p>\n<p>\ud83d\udcde <strong>+84 979 891 929<\/strong><br>\n\u2709\ufe0f <strong>locthien@locthien.vn<\/strong><br>\n\ud83d\udccd 452\/6B T\u1ec9nh L\u1ed9 10, P. B\u00ecnh Tr\u1ecb \u0110\u00f4ng, Q. B\u00ecnh T\u00e2n, TP.HCM<\/p>\n\n<p><a href=\"https:\/\/hoachatlocthien.com\/en\/product\/fecl2-sat-ii-clorua\">\u2192 View FeCl2 Product Details<\/a><br>\n<a href=\"https:\/\/hoachatlocthien.com\/en\/product\/fecl3-sat-iii-chloride\">\u2192 View FeCl3 Product Details<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Choosing the wrong iron coagulant does not just affect treatment performance \u2014 it directly raises your chemical dosage costs, increases sludge volume, and puts your discharge certificate at risk under QCVN 40:2011\/BTNMT (industrial wastewater) or QCVN 14:2008\/BTNMT (domestic wastewater). Yet FeCl2 (ferrous chloride) and FeCl3 (ferric chloride) are routinely confused at the procurement stage, leading [&#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":[1430],"tags":[],"class_list":["post-9182","post","type-post","status-publish","format-standard","hentry","category-industrial-chemicals"],"acf":[],"rank_math_title":"","rank_math_description":"","rank_math_focus_keyword":"","_links":{"self":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts\/9182","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=9182"}],"version-history":[{"count":1,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts\/9182\/revisions"}],"predecessor-version":[{"id":9183,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/posts\/9182\/revisions\/9183"}],"wp:attachment":[{"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/media?parent=9182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/categories?post=9182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hoachatlocthien.com\/zh\/wp-json\/wp\/v2\/tags?post=9182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}