{"id":302,"date":"2026-07-08T15:36:48","date_gmt":"2026-07-08T07:36:48","guid":{"rendered":"https:\/\/www.rubri.cn\/products\/v2-product-3-3\/"},"modified":"2026-10-27T07:18:13","modified_gmt":"2026-10-26T23:18:13","slug":"crystallization-module","status":"publish","type":"indie_product","link":"https:\/\/www.rubri.cn\/en\/products\/product-equipment\/crystallization-module\/","title":{"rendered":"Crystallization module"},"content":{"rendered":"<p>The crystallization module receives the saturated feed after evaporation and concentration; through cooling or further evaporation, the solute precipitates as crystals, and after thickening, centrifugal separation, and drying, a solid salt product is obtained. It is a key unit for solid-liquid separation at the end of ZLD.<\/p>\n<h2>Process Principle<\/h2>\n<ul>\n<li>The saturated feed is further concentrated or cooled in the crystallizer; after entering the supersaturated zone, crystals nucleate and grow.<\/li>\n<li>After the crystal slurry is thickened in a thickener to increase solids content, it enters a centrifuge or filter for solid-liquid separation.<\/li>\n<li>Part of the mother liquor is returned to the system or discharged; impurity accumulation must be controlled to maintain crystal quality.<\/li>\n<\/ul>\n<h2>Product Features<\/h2>\n<ul>\n<li>Can convert dissolved salts into solids, enabling near-zero liquid discharge of wastewater and salt recovery.<\/li>\n<li>Crystallization type is selectable and can be determined according to the material solubility curve and product particle size requirements.<\/li>\n<li>Can seamlessly connect with evaporation units such as MVR and MED to form a continuous production line.<\/li>\n<li>Product salt purity and particle size are affected by mother liquor impurities and operating conditions, and must be commissioned according to actual operating conditions.<\/li>\n<\/ul>\n<h2>Application Industries<\/h2>\n<ul>\n<li>End-of-pipe crystallization and mixed-salt solidification for ZLD projects.<\/li>\n<li>Segregated crystallization and recovery of industrial salts such as sodium chloride and sodium sulfate.<\/li>\n<li>Salt crystallization and purification in lithium battery and new energy material production.<\/li>\n<li>Crystallization and mother liquor treatment in the chemical and hydrometallurgical industries.<\/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>Treatment capacity (crystal slurry)<\/td>\n<td>m\u00b3\/h<\/td>\n<td>1\u201350 (typical)<\/td>\n<\/tr>\n<tr>\n<td>Crystallization type<\/td>\n<td>\u2014<\/td>\n<td>Forced circulation \/ DTB \/ OSLO<\/td>\n<\/tr>\n<tr>\n<td>Discharge solids content<\/td>\n<td>%<\/td>\n<td>10\u201330 (typical)<\/td>\n<\/tr>\n<tr>\n<td>Product moisture content (after centrifugation)<\/td>\n<td>%<\/td>\n<td>3\u20138 (typical, depending on the material)<\/td>\n<\/tr>\n<tr>\n<td>Operating temperature<\/td>\n<td>\u2103<\/td>\n<td>Determined from the material solubility curve (typical value depends on the system)<\/td>\n<\/tr>\n<tr>\n<td>Material<\/td>\n<td>\u2014<\/td>\n<td>Stainless steel 316L \/ duplex steel \/ titanium<\/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>Controls supersaturation and crystal growth to produce manageable salts and support downstream solids separation.<\/p>","protected":false},"featured_media":0,"parent":306,"menu_order":140,"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-302","indie_product","type-indie_product","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.rubri.cn\/en\/wp-json\/wp\/v2\/indie_product\/302","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=302"}],"wp:term":[{"taxonomy":"indie_product_cat","embeddable":true,"href":"https:\/\/www.rubri.cn\/en\/wp-json\/wp\/v2\/indie_product_cat?post=302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}