{"id":3253,"date":"2026-08-03T00:49:05","date_gmt":"2026-08-03T00:49:05","guid":{"rendered":"https:\/\/fupengcleanwater.com\/?p=3253"},"modified":"2026-08-03T00:49:05","modified_gmt":"2026-08-03T00:49:05","slug":"7-types-of-ro-membranes","status":"publish","type":"post","link":"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/","title":{"rendered":"7 Types of RO Membranes"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\">Table of Contents<\/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=\"Alternar tabla de contenidos\"><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: #999;color:#999\" 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: #999;color:#999\" 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:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#7_Types_of_RO_Membranes\" >7 Types of RO Membranes<\/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:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#Material_Chemical_Classifications_of_RO_Membranes\" >Material &amp; Chemical Classifications of RO Membranes<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#1_Thin-Film_Composite_TFC_Membranes\" >1. Thin-Film Composite (TFC) Membranes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#2_Cellulose_Acetate_CA_Membranes\" >2. Cellulose Acetate (CA) Membranes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#3_Polyamide_Thin-Film_PA-TF_Polyimide_Membranes\" >3. Polyamide Thin-Film (PA-TF) &amp; Polyimide Membranes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#4_Fully_Aromatic_Polyamide_FA_Membranes\" >4. Fully Aromatic Polyamide (FA) Membranes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#5_Thin-Film_Nanocomposite_TFN_Membranes\" >5. Thin-Film Nanocomposite (TFN) Membranes<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#Module_Configurations_System_Applications\" >Module Configurations &amp; System Applications<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#6_Spiral-Wound_Membrane_Modules\" >6. Spiral-Wound Membrane Modules<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#7_Hollow-Fiber_Membrane_Modules\" >7. Hollow-Fiber Membrane Modules<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#Technical_Performance_Selection_Matrix\" >Technical Performance &amp; Selection Matrix<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#Industrial_RO_Solutions_by_FupengWater\" >Industrial RO Solutions by FupengWater<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/fupengcleanwater.com\/es\/7-types-of-ro-membranes\/#Served_Industries\" >Served Industries:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"entry-title entry-title--large p-name\" data-content-field=\"title\"><span class=\"ez-toc-section\" id=\"7_Types_of_RO_Membranes\"><\/span>7 Types of RO Membranes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"1\">Reverse Osmosis (RO) is a pressure-driven membrane separation process that forces water across a semi-permeable barrier to overcome natural osmotic pressure. Under an applied pressure gradient exceeding the solution&#8217;s osmotic pressure, water molecules permeate through the dense active layer while dissolved salts, heavy metals, organic pollutants, and microorganisms are rejected.<\/p>\n<p data-path-to-node=\"2\">The selection of an RO membrane depends on feed water chemistry, required solute rejection, operating pressure, chemical tolerance, and system module design. The following guide categorizes the seven core RO membrane types by <b data-path-to-node=\"2\" data-index-in-node=\"226\">material composition<\/b> and <b data-path-to-node=\"2\" data-index-in-node=\"251\">module architecture<\/b>.<\/p>\n<h3 data-path-to-node=\"4\"><span class=\"ez-toc-section\" id=\"Material_Chemical_Classifications_of_RO_Membranes\"><\/span>Material &amp; Chemical Classifications of RO Membranes<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h4 data-path-to-node=\"5\"><span class=\"ez-toc-section\" id=\"1_Thin-Film_Composite_TFC_Membranes\"><\/span>1. Thin-Film Composite (TFC) Membranes<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-path-to-node=\"6\">Thin-Film Composite (TFC) membranes represent the industry standard for modern water desalination and purification. They feature a layered structure consisting of an ultra-thin polyamide (PA) active layer (<span class=\"math-inline\" data-math=\"\\approx 0.1\\text{\u2013}0.2 \\ \\mu\\text{m}\" data-index-in-node=\"206\">$\\approx 0.1\\text{\u2013}0.2 \\ \\mu\\text{m}$<\/span>) cast onto a microporous polysulfone support layer on top of a non-woven fabric backing.<\/p>\n<ul data-path-to-node=\"7\">\n<li>\n<p data-path-to-node=\"7,0,0\"><b data-path-to-node=\"7,0,0\" data-index-in-node=\"0\">Key Characteristics:<\/b> High salt rejection (<span class=\"math-inline\" data-math=\"&gt;99.5\\%\" data-index-in-node=\"42\">$&gt;99.5\\%$<\/span>), high water flux, low operational pressure requirements, and high structural stability.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,1,0\"><b data-path-to-node=\"7,1,0\" data-index-in-node=\"0\">Surface Properties:<\/b> Highly tailorable surface charge and hydrophilicity, though susceptible to chlorine degradation.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"7,2,0\"><b data-path-to-node=\"7,2,0\" data-index-in-node=\"0\">Primary Applications:<\/b> Seawater and brackish water desalination, municipal drinking water purification, nanofiltration (NF), organic solvent separation, and hemodialysis.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"8\"><span class=\"ez-toc-section\" id=\"2_Cellulose_Acetate_CA_Membranes\"><\/span>2. Cellulose Acetate (CA) Membranes<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-path-to-node=\"9\">Cellulose Acetate (CA) membranes were among the earliest asymmetric membranes deployed in industrial RO. Derived from natural cellulose, CA membranes feature a porous backing structure with an integrated, dense active skin.<\/p>\n<ul data-path-to-node=\"10\">\n<li>\n<p data-path-to-node=\"10,0,0\"><b data-path-to-node=\"10,0,0\" data-index-in-node=\"0\">Key Characteristics:<\/b> Inherent chlorine resistance (can withstand continuous free chlorine exposure up to <span class=\"math-inline\" data-math=\"1.0\\text{ ppm}\" data-index-in-node=\"105\">$1.0\\text{ ppm}$<\/span>), high hydrophilicity, and low biological adhesion.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,1,0\"><b data-path-to-node=\"10,1,0\" data-index-in-node=\"0\">Limitations:<\/b> Lower salt rejection compared to TFC membranes, narrow pH operating tolerance (<span class=\"math-inline\" data-math=\"\\text{pH } 4\\text{\u2013}6\" data-index-in-node=\"92\">$\\text{pH } 4\\text{\u2013}6$<\/span>), and susceptibility to biological hydrolysis.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,2,0\"><b data-path-to-node=\"10,2,0\" data-index-in-node=\"0\">Primary Applications:<\/b> Feedwater streams requiring continuous chlorination, ultrafiltration\/microfiltration pretreatment, municipal wastewater clarification, and medical dressings.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"11\"><span class=\"ez-toc-section\" id=\"3_Polyamide_Thin-Film_PA-TF_Polyimide_Membranes\"><\/span>3. Polyamide Thin-Film (PA-TF) &amp; Polyimide Membranes<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-path-to-node=\"12\">PA-TF and polyimide-based membranes are engineered for demanding industrial streams requiring elevated mechanical strength, thermal stability, and organic solvent resistance.<\/p>\n<ul data-path-to-node=\"13\">\n<li>\n<p data-path-to-node=\"13,0,0\"><b data-path-to-node=\"13,0,0\" data-index-in-node=\"0\">Key Characteristics:<\/b> Excellent thermal stability (capable of operating at elevated temperatures), strong mechanical integrity under high transmembrane pressures, and high resistance to aggressive solvents.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,1,0\"><b data-path-to-node=\"13,1,0\" data-index-in-node=\"0\">Primary Applications:<\/b> Gas separation (hydrogen recovery, natural gas sweetening), high-temperature industrial fluid concentration, pervaporation, and organic liquid filtration.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"14\"><span class=\"ez-toc-section\" id=\"4_Fully_Aromatic_Polyamide_FA_Membranes\"><\/span>4. Fully Aromatic Polyamide (FA) Membranes<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-path-to-node=\"15\">Fully Aromatic Polyamide membranes utilize an aromatic ring backbone in their polymer matrix, enhancing molecular rigidity and chemical resistance.<\/p>\n<ul data-path-to-node=\"16\">\n<li>\n<p data-path-to-node=\"16,0,0\"><b data-path-to-node=\"16,0,0\" data-index-in-node=\"0\">Key Characteristics:<\/b> Enhanced resistance to chemical oxidation relative to standard aliphatic polyamides, high thermal endurance, and precise molecular weight cut-off (MWCO) control.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"16,1,0\"><b data-path-to-node=\"16,1,0\" data-index-in-node=\"0\">Primary Applications:<\/b> Aggressive industrial wastewater treatment, oil-water separation, membrane distillation, and gas\/vapor recovery processes.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"17\"><span class=\"ez-toc-section\" id=\"5_Thin-Film_Nanocomposite_TFN_Membranes\"><\/span>5. Thin-Film Nanocomposite (TFN) Membranes<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-path-to-node=\"18\">Nanocomposite membranes incorporate engineered nanomaterials\u2014such as carbon nanotubes (CNTs), graphene oxide (GO), titanium dioxide (<span class=\"math-inline\" data-math=\"\\text{TiO}_2\" data-index-in-node=\"133\">$\\text{TiO}_2$<\/span>), silver nanoparticles, or metal-organic frameworks (MOFs)\u2014into the thin polyamide selective layer.<\/p>\n<ul data-path-to-node=\"19\">\n<li>\n<p data-path-to-node=\"19,0,0\"><b data-path-to-node=\"19,0,0\" data-index-in-node=\"0\">Key Characteristics:<\/b><\/p>\n<ul data-path-to-node=\"19,0,1\">\n<li>\n<p data-path-to-node=\"19,0,1,0,0\"><b data-path-to-node=\"19,0,1,0,0\" data-index-in-node=\"0\">Enhanced Flux:<\/b> Nanoparticles form nano-channels that increase water permeability without sacrificing salt rejection.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,0,1,1,0\"><b data-path-to-node=\"19,0,1,1,0\" data-index-in-node=\"0\">Anti-Fouling &amp; Antimicrobial:<\/b> Metal oxides (<span class=\"math-inline\" data-math=\"\\text{TiO}_2\" data-index-in-node=\"44\">$\\text{TiO}_2$<\/span>) and silver nanoparticles inhibit biofouling and organic deposition.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,0,1,2,0\"><b data-path-to-node=\"19,0,1,2,0\" data-index-in-node=\"0\">Mechanical &amp; Thermal Integrity:<\/b> Nanoparticle reinforcement boosts resistance to compaction under extreme hydraulic pressures.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p data-path-to-node=\"19,1,0\"><b data-path-to-node=\"19,1,0\" data-index-in-node=\"0\">Primary Applications:<\/b> High-recovery industrial wastewater recycling, zero liquid discharge (ZLD) systems, toxic heavy metal extraction, and advanced water reclamation.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"21\"><span class=\"ez-toc-section\" id=\"Module_Configurations_System_Applications\"><\/span>Module Configurations &amp; System Applications<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-path-to-node=\"22\">RO membranes are packaged into engineered module structures to balance packing density, fluid dynamics, and fouling management.<\/p>\n<div class=\"code-block ng-tns-c3931095182-70 ng-animate-disabled ng-trigger ng-trigger-codeBlockRevealAnimation\" data-hveid=\"0\" data-ved=\"0CAAQhtANahgKEwiVy-OQmIOWAxUAAAAAHQAAAAAQzgE\">\n<div class=\"formatted-code-block-internal-container ng-tns-c3931095182-70\">\n<div class=\"animated-opacity ng-tns-c3931095182-70\">\n<pre class=\"ng-tns-c3931095182-70\"><code class=\"code-container formatted ng-tns-c3931095182-70 no-decoration-radius\" role=\"text\" data-test-id=\"code-content\">                  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\r\n                  \u2502          RO Membrane Taxonomy                \u2502\r\n                  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\r\n                                         \u2502\r\n                 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\r\n                 \u2502                                               \u2502\r\n                 \u25bc                                               \u25bc\r\n   [ Polymer &amp; Chemical Matrix ]                   [ Physical Module Geometry ]\r\n   \u2022 Thin-Film Composite (TFC)                     \u2022 Spiral-Wound Modules\r\n   \u2022 Cellulose Acetate (CA)                        \u2022 Hollow-Fiber Modules\r\n   \u2022 Polyamide \/ Polyimide (PA-TF)\r\n   \u2022 Fully Aromatic (FA)\r\n   \u2022 Thin-Film Nanocomposite (TFN)\r\n<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<h4 data-path-to-node=\"24\"><span class=\"ez-toc-section\" id=\"6_Spiral-Wound_Membrane_Modules\"><\/span>6. Spiral-Wound Membrane Modules<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-path-to-node=\"25\">Spiral-wound modules are the predominant design for industrial and municipal RO operations. Flat membrane sheets, feed channel spacers, and permeate collection spacers are glued together along three edges and wrapped spirally around a central perforated permeate collection tube.<\/p>\n<div class=\"code-block ng-tns-c3931095182-71 ng-animate-disabled ng-trigger ng-trigger-codeBlockRevealAnimation\" data-hveid=\"0\" data-ved=\"0CAAQhtANahgKEwiVy-OQmIOWAxUAAAAAHQAAAAAQzwE\">\n<div class=\"formatted-code-block-internal-container ng-tns-c3931095182-71\">\n<div class=\"animated-opacity ng-tns-c3931095182-71\">\n<pre class=\"ng-tns-c3931095182-71\"><code class=\"code-container formatted ng-tns-c3931095182-71 no-decoration-radius\" role=\"text\" data-test-id=\"code-content\">                      Feed Water In \u2500\u2500\u25ba [ Feed Spacer ]\r\n                                             \u2502\r\n   [ Polyamide Active Layer ]  \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 (Rejection)\r\n   [ Porous Support Layer ]                  \u2502\r\n   [ Permeate Mesh Spacer ]    \u2500\u2500\u25ba Permeate Flow \u2500\u2500\u25ba Central Collection Tube\r\n<\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<ul data-path-to-node=\"27\">\n<li>\n<p data-path-to-node=\"27,0,0\"><b data-path-to-node=\"27,0,0\" data-index-in-node=\"0\">Module Advantages:<\/b> High membrane surface area per unit volume, standardized industry dimensions, cost-effective manufacturing, and modular scalability.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"27,1,0\"><b data-path-to-node=\"27,1,0\" data-index-in-node=\"0\">Primary Applications:<\/b> Seawater Desalination (SWRO), Brackish Water RO (BWRO), food and beverage processing (dairy\/juice concentration), and biopharmaceutical purification.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"28\"><span class=\"ez-toc-section\" id=\"7_Hollow-Fiber_Membrane_Modules\"><\/span>7. Hollow-Fiber Membrane Modules<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-path-to-node=\"29\">Hollow-fiber modules consist of thousands of hair-like, self-supporting hollow polymeric fibers bundled inside a pressure vessel. Fluid can flow inside-out (lumen-to-shell) or outside-in (shell-to-lumen).<\/p>\n<ul data-path-to-node=\"30\">\n<li>\n<p data-path-to-node=\"30,0,0\"><b data-path-to-node=\"30,0,0\" data-index-in-node=\"0\">Module Advantages:<\/b> Extremely high packing density (up to <span class=\"math-inline\" data-math=\"10,000\\text{ m}^2\/\\text{m}^3\" data-index-in-node=\"57\">$10,000\\text{ m}^2\/\\text{m}^3$<\/span>), compact footprint, and ability to be hydraulics backwashed in low-pressure configurations.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"30,1,0\"><b data-path-to-node=\"30,1,0\" data-index-in-node=\"0\">Primary Applications:<\/b> Point-of-Use (POU) ultrafiltration, hemodialyzers (artificial kidneys), Membrane Bioreactors (MBR), gas enrichment (<span class=\"math-inline\" data-math=\"O_2\/CO_2\" data-index-in-node=\"138\">$O_2\/CO_2$<\/span>), and Forward Osmosis (FO).<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"32\"><span class=\"ez-toc-section\" id=\"Technical_Performance_Selection_Matrix\"><\/span>Technical Performance &amp; Selection Matrix<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table data-path-to-node=\"33\">\n<thead>\n<tr>\n<td><strong>Membrane \/ Module Type<\/strong><\/td>\n<td><strong>Salt Rejection<\/strong><\/td>\n<td><strong>Chemical\/Chlorine Tolerance<\/strong><\/td>\n<td><strong>Thermal Resistance<\/strong><\/td>\n<td><strong>Fouling Resistance<\/strong><\/td>\n<td><strong>Primary Use Case<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"33,1,0,0\"><b data-path-to-node=\"33,1,0,0\" data-index-in-node=\"0\">Thin-Film Composite (TFC)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"33,1,1,0\">Very High (<span class=\"math-inline\" data-math=\"&gt;99.5\\%\" data-index-in-node=\"11\">$&gt;99.5\\%$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"33,1,2,0\">Low (Poor <span class=\"math-inline\" data-math=\"Cl_2\" data-index-in-node=\"10\">$Cl_2$<\/span> resistance)<\/span><\/td>\n<td><span data-path-to-node=\"33,1,3,0\">Moderate (<span class=\"math-inline\" data-math=\"&lt;45^\\circ\\text{C}\" data-index-in-node=\"10\">$&lt;45^\\circ\\text{C}$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"33,1,4,0\">Moderate<\/span><\/td>\n<td><span data-path-to-node=\"33,1,5,0\">Standard SWRO\/BWRO Desalination<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"33,2,0,0\"><b data-path-to-node=\"33,2,0,0\" data-index-in-node=\"0\">Cellulose Acetate (CA)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"33,2,1,0\">Moderate (<span class=\"math-inline\" data-math=\"90\\text{\u2013}95\\%\" data-index-in-node=\"10\">$90\\text{\u2013}95\\%$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"33,2,2,0\">High (Tolerates <span class=\"math-inline\" data-math=\"1.0\\text{ ppm } Cl_2\" data-index-in-node=\"16\">$1.0\\text{ ppm } Cl_2$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"33,2,3,0\">Low (<span class=\"math-inline\" data-math=\"&lt;35^\\circ\\text{C}\" data-index-in-node=\"5\">$&lt;35^\\circ\\text{C}$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"33,2,4,0\">High<\/span><\/td>\n<td><span data-path-to-node=\"33,2,5,0\">Chlorinated feedwater \/ Pretreatment<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"33,3,0,0\"><b data-path-to-node=\"33,3,0,0\" data-index-in-node=\"0\">Polyamide Thin-Film (PA-TF)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"33,3,1,0\">High (<span class=\"math-inline\" data-math=\"&gt;98\\%\" data-index-in-node=\"6\">$&gt;98\\%$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"33,3,2,0\">Moderate<\/span><\/td>\n<td><span data-path-to-node=\"33,3,3,0\">High (<span class=\"math-inline\" data-math=\"&gt;80^\\circ\\text{C}\" data-index-in-node=\"6\">$&gt;80^\\circ\\text{C}$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"33,3,4,0\">Moderate<\/span><\/td>\n<td><span data-path-to-node=\"33,3,5,0\">Industrial solvent &amp; gas processing<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"33,4,0,0\"><b data-path-to-node=\"33,4,0,0\" data-index-in-node=\"0\">Fully Aromatic (FA)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"33,4,1,0\">High (<span class=\"math-inline\" data-math=\"&gt;98.5\\%\" data-index-in-node=\"6\">$&gt;98.5\\%$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"33,4,2,0\">High<\/span><\/td>\n<td><span data-path-to-node=\"33,4,3,0\">High<\/span><\/td>\n<td><span data-path-to-node=\"33,4,4,0\">High<\/span><\/td>\n<td><span data-path-to-node=\"33,4,5,0\">Harsh chemical &amp; oil-water separation<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"33,5,0,0\"><b data-path-to-node=\"33,5,0,0\" data-index-in-node=\"0\">Nanocomposite (TFN)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"33,5,1,0\">Extreme (<span class=\"math-inline\" data-math=\"&gt;99.7\\%\" data-index-in-node=\"9\">$&gt;99.7\\%$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"33,5,2,0\">Moderate to High<\/span><\/td>\n<td><span data-path-to-node=\"33,5,3,0\">High<\/span><\/td>\n<td><span data-path-to-node=\"33,5,4,0\">Very High (Antifouling)<\/span><\/td>\n<td><span data-path-to-node=\"33,5,5,0\">High-recovery ZLD &amp; specialized RO<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"33,6,0,0\"><b data-path-to-node=\"33,6,0,0\" data-index-in-node=\"0\">Spiral-Wound Geometry<\/b><\/span><\/td>\n<td><span data-path-to-node=\"33,6,1,0\">Configuration-dependent<\/span><\/td>\n<td><span data-path-to-node=\"33,6,2,0\">Configuration-dependent<\/span><\/td>\n<td><span data-path-to-node=\"33,6,3,0\">Standard<\/span><\/td>\n<td><span data-path-to-node=\"33,6,4,0\">Requires pre-filtration<\/span><\/td>\n<td><span data-path-to-node=\"33,6,5,0\">Industrial &amp; Municipal Plant Skids<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"33,7,0,0\"><b data-path-to-node=\"33,7,0,0\" data-index-in-node=\"0\">Hollow-Fiber Geometry<\/b><\/span><\/td>\n<td><span data-path-to-node=\"33,7,1,0\">Configuration-dependent<\/span><\/td>\n<td><span data-path-to-node=\"33,7,2,0\">Configuration-dependent<\/span><\/td>\n<td><span data-path-to-node=\"33,7,3,0\">Standard<\/span><\/td>\n<td><span data-path-to-node=\"33,7,4,0\">High (Crossflow capable)<\/span><\/td>\n<td><span data-path-to-node=\"33,7,5,0\">Compact MBR, Dialysis, &amp; Gas Separation<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-path-to-node=\"35\"><span class=\"ez-toc-section\" id=\"Industrial_RO_Solutions_by_FupengWater\"><\/span>Industrial RO Solutions by FupengWater<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-path-to-node=\"36\"><b data-path-to-node=\"36\" data-index-in-node=\"0\">FupengWater<\/b> delivers engineered industrial Reverse Osmosis purification systems customized to your operational requirements. Our high-efficiency BWRO, SWRO, and High-Purity RO systems ensure compliance, minimize wastewater discharge, and optimize lifecycle costs.<\/p>\n<h3 data-path-to-node=\"37\"><span class=\"ez-toc-section\" id=\"Served_Industries\"><\/span>Served Industries:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-path-to-node=\"38\">\n<li>\n<p data-path-to-node=\"38,0,0\"><b data-path-to-node=\"38,0,0\" data-index-in-node=\"0\">Aerospace &amp; Automotive:<\/b> Electrocoating wash lines, surface finishing, and zero-spotting rinse water.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"38,1,0\"><b data-path-to-node=\"38,1,0\" data-index-in-node=\"0\">Electronics &amp; Semiconductors:<\/b> High-purity process water and pre-treatment feed for Ultrapure Water (UPW) systems.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"38,2,0\"><b data-path-to-node=\"38,2,0\" data-index-in-node=\"0\">Power &amp; Petrochemical:<\/b> High-pressure boiler feedwater, cooling tower makeup, and process effluent recycling.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"38,3,0\"><b data-path-to-node=\"38,3,0\" data-index-in-node=\"0\">Pharmaceutical &amp; Food\/Beverage:<\/b> Sanitary water treatment, ingredient water, and concentration processing.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"39\"><b data-path-to-node=\"39\" data-index-in-node=\"0\">Optimize your industrial water quality with FupengWater.<\/b> Contact our water treatment engineers today for a system analysis, water test consultation, or custom RO skid quotation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>7 Types of RO Membranes Reverse Osmosis (RO) is a pressure-driven membrane separation process that forces water across a semi-permeable barrier to overcome natural osmotic pressure. Under an applied pressure  [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":1111,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-3253","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>7 Types of RO Membranes - Fupeng Water - Water Resources Technology Sdn. 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