{"id":283,"date":"2026-07-08T15:36:47","date_gmt":"2026-07-08T07:36:47","guid":{"rendered":"https:\/\/www.rubri.cn\/products\/v2-product-1-6\/"},"modified":"2026-10-27T07:18:12","modified_gmt":"2026-10-26T23:18:12","slug":"membrane-bioreactor-mbr","status":"publish","type":"indie_product","link":"https:\/\/www.rubri.cn\/en\/products\/product-equipment\/membrane-bioreactor-mbr\/","title":{"rendered":"MBR"},"content":{"rendered":"<p>MBR combines activated sludge biological degradation with membrane separation, replacing the secondary clarifier with membrane modules for sludge-water separation. It can operate at higher sludge concentrations, and the effluent has low turbidity and can be directly used as feed for reuse or downstream membrane systems.<\/p>\n<h2>Process Principle<\/h2>\n<ul>\n<li>The biological section maintains a higher mixed liquor suspended solids concentration, improving volumetric loading and shock resistance.<\/li>\n<li>Membrane modules perform solid-liquid separation, replacing the secondary clarifier and are not limited by sludge settling performance.<\/li>\n<li>Membrane fouling is controlled through regular backwashing, aeration scouring, and chemical cleaning to maintain stable flux.<\/li>\n<\/ul>\n<h2>Product Features<\/h2>\n<ul>\n<li>The effluent has low turbidity, and suspended solids are almost completely retained, allowing direct connection to reverse osmosis and other advanced treatment.<\/li>\n<li>High sludge concentration and a small footprint make it suitable for projects with limited land or requiring upgrading and capacity expansion.<\/li>\n<li>A long sludge age favors nitrifier enrichment and provides relatively stable ammonia nitrogen removal.<\/li>\n<li>Relatively low excess sludge production reduces the burden of subsequent sludge disposal.<\/li>\n<\/ul>\n<h2>Application Industries<\/h2>\n<ul>\n<li>Upgrading and reclaimed water reuse for integrated industrial park wastewater and municipal wastewater.<\/li>\n<li>Treatment of high-concentration organic wastewater from food, beverage, and brewing.<\/li>\n<li>Biological-stage treatment of refractory wastewater such as landfill leachate and livestock wastewater.<\/li>\n<li>Modular treatment station for decentralized, small town, and scenic area wastewater.<\/li>\n<\/ul>\n<h2>Specifications and Models<\/h2>\n<div class=\"iw-table-wrap\">\n<table class=\"iw-table\">\n<tr>\n<th>Parameter<\/th>\n<th>Unit<\/th>\n<th>Typical value<\/th>\n<\/tr>\n<tr>\n<td>Membrane module type<\/td>\n<td>\u2014<\/td>\n<td>Hollow fiber \/ flat sheet membrane<\/td>\n<\/tr>\n<tr>\n<td>Membrane pore size<\/td>\n<td>\u03bcm<\/td>\n<td>0.03\u20130.4 (typical value)<\/td>\n<\/tr>\n<tr>\n<td>Mixed liquor suspended solids (MLSS)<\/td>\n<td>mg\/L<\/td>\n<td>6000\u201312000 (typical value)<\/td>\n<\/tr>\n<tr>\n<td>Membrane flux<\/td>\n<td>L\/(m\u00b2\u00b7h)<\/td>\n<td>15\u201330 (typical value)<\/td>\n<\/tr>\n<tr>\n<td>Effluent turbidity<\/td>\n<td>NTU<\/td>\n<td>\u2264 1 (typical value)<\/td>\n<\/tr>\n<tr>\n<td>Effluent SDI\u2081\u2085<\/td>\n<td>\u2014<\/td>\n<td>\u2264 5 (typical)<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<p>The data in the table are common ranges for similar equipment and are for selection reference only; specific specifications, models, materials, connections, and control methods must be confirmed during the selection stage based on water quality, treatment scale, and site conditions.<\/p>","protected":false},"excerpt":{"rendered":"<p>Combines biological treatment with membrane solids separation to deliver stable effluent while reducing clarifier footprint.<\/p>","protected":false},"featured_media":0,"parent":306,"menu_order":50,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"indie_product_cat":[],"class_list":["post-283","indie_product","type-indie_product","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.rubri.cn\/en\/wp-json\/wp\/v2\/indie_product\/283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rubri.cn\/en\/wp-json\/wp\/v2\/indie_product"}],"about":[{"href":"https:\/\/www.rubri.cn\/en\/wp-json\/wp\/v2\/types\/indie_product"}],"up":[{"embeddable":true,"href":"https:\/\/www.rubri.cn\/en\/wp-json\/wp\/v2\/indie_product\/306"}],"wp:attachment":[{"href":"https:\/\/www.rubri.cn\/en\/wp-json\/wp\/v2\/media?parent=283"}],"wp:term":[{"taxonomy":"indie_product_cat","embeddable":true,"href":"https:\/\/www.rubri.cn\/en\/wp-json\/wp\/v2\/indie_product_cat?post=283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}