{"id":5163,"date":"2024-11-08T15:41:13","date_gmt":"2024-11-08T14:41:13","guid":{"rendered":"https:\/\/bwt.progettidemo.com\/zld-impianti-a-scarico-zero\/"},"modified":"2025-09-25T14:32:02","modified_gmt":"2025-09-25T12:32:02","slug":"zld-zero-liquid-discharge","status":"publish","type":"page","link":"https:\/\/www.bluewatertech.it\/en\/technologies\/zld-zero-liquid-discharge\/","title":{"rendered":"ZLD (Zero Liquid Discharge)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"5163\" class=\"elementor elementor-5163 elementor-3201\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c9f1e02 e-flex e-con-boxed e-con e-parent\" data-id=\"c9f1e02\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7bbb0df custom-subtitle elementor-widget elementor-widget-heading\" data-id=\"7bbb0df\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">our plants<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9549da4 elementor-widget elementor-widget-heading\" data-id=\"9549da4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">To eliminate discharge into sewage or surface water<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d3fdd6 max-h-40vh elementor-widget elementor-widget-image\" data-id=\"5d3fdd6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1152\" height=\"2048\" src=\"https:\/\/www.bluewatertech.it\/wp-content\/uploads\/2025\/02\/In-pagina_20160606_082119-rotated.jpg\" class=\"attachment-full size-full wp-image-4926\" alt=\"Impianto di depurazione chimico fisico per acque reflue industriali con serbatoi e sistema di trattamento a scarico zero ZLD.\" title=\"\" srcset=\"https:\/\/www.bluewatertech.it\/wp-content\/uploads\/2025\/02\/In-pagina_20160606_082119-rotated.jpg 1152w, https:\/\/www.bluewatertech.it\/wp-content\/uploads\/2025\/02\/In-pagina_20160606_082119-169x300.jpg 169w, https:\/\/www.bluewatertech.it\/wp-content\/uploads\/2025\/02\/In-pagina_20160606_082119-576x1024.jpg 576w, https:\/\/www.bluewatertech.it\/wp-content\/uploads\/2025\/02\/In-pagina_20160606_082119-768x1365.jpg 768w, https:\/\/www.bluewatertech.it\/wp-content\/uploads\/2025\/02\/In-pagina_20160606_082119-864x1536.jpg 864w, https:\/\/www.bluewatertech.it\/wp-content\/uploads\/2025\/02\/In-pagina_20160606_082119-600x1067.jpg 600w\" sizes=\"(max-width: 1152px) 100vw, 1152px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1d8457e e-flex e-con-boxed e-con e-parent\" data-id=\"1d8457e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4e69a1c e-con-full e-flex e-con e-child\" data-id=\"4e69a1c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bc7707d field-testo elementor-widget elementor-widget-text-editor\" data-id=\"bc7707d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400\">Zero Liquid Discharge (ZLD) <\/span><b>technology is an advanced<\/b><span style=\"font-weight: 400\"> water treatment system designed to eliminate the release of wastewater into the sewer or surface.<\/span><\/p>\n<p><span style=\"font-weight: 400\">This process aims to <\/span><b>recover and reuse the treated water<\/b><span style=\"font-weight: 400\">, generating as waste a concentrated liquid solution and a solid part that will be disposed of in specialized companies.<\/span><\/p>\n<h2><strong>How ZLD (Zero Liquid Discharge) technology works<\/strong><\/h2>\n<ul>\n<li style=\"font-weight: 400\"><b>Physico-chemical pretreatment<\/b><span style=\"font-weight: 400\">: involves the removal of suspended solids and coarse materials from water.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Primary and secondary treatment<\/b><span style=\"font-weight: 400\">: involves the use of technologies such as reverse osmosis and evaporation to concentrate salts and other impurities.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Crystallization<\/b><span style=\"font-weight: 400\">: refers to a further concentration and crystallization of the residues in order to obtain dry solids and reduce further the water destined for external disposal.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Solids management<\/b><span style=\"font-weight: 400\">: means that the resulting solids are collected and disposed of or reused safely.<\/span><\/li>\n<\/ul>\n<h2><strong>Applications of ZLD technology for zero exhaust systems <\/strong><\/h2>\n<ul>\n<li style=\"font-weight: 400\"><b>Chemical and petrochemical industry<\/b><span style=\"font-weight: 400\">: for the treatment of waste water containing hazardous chemicals.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Textile industry<\/b><span style=\"font-weight: 400\">: for water recovery and reuse in dyeing and finishing processes.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Thermal power plants<\/b><span style=\"font-weight: 400\">: for the management of cooling and process water.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Mining<\/b><span style=\"font-weight: 400\">: for the treatment of process and waste water, reducing environmental impact.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Food and beverage industry<\/b><span style=\"font-weight: 400\">: to ensure that waste water is treated in a way that does not contaminate the environment.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">The <\/span><b>ZLD technology<\/b><span style=\"font-weight: 400\">\u00a0 is particularly useful in areas with water scarcity or where environmental regulations are very strict, ensuring a sustainable use of water resources and protection of the environment. Visit the <\/span><a href=\"https:\/\/www.bluewatertech.it\/impianti\/impianti-di-depurazione-a-scarico-zero\/\"><b>page dedicated to our zero -emission systems<\/b><\/a><span style=\"font-weight: 400\"> for further information.<\/span><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c5dcf4f e-con-full e-flex e-con e-child\" data-id=\"c5dcf4f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-79e5317 w-50 elementor-widget elementor-widget-shortcode\" data-id=\"79e5317\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n        <div class=\"container-settori\">\n\n            <div class=\"square-title\">Plants<\/div>\n\n            <ul class=\"list-settori\">\n\n            \n                <li><a href=\"https:\/\/www.bluewatertech.it\/en\/plants\/demineralisation-plants\/\">Demineralisation plants<\/a><\/li>\n\n            \n                <li><a href=\"https:\/\/www.bluewatertech.it\/en\/plants\/reverse-osmosis-plants\/\">Reverse osmosis plants<\/a><\/li>\n\n            \n                <li><a href=\"https:\/\/www.bluewatertech.it\/en\/plants\/zero-discharge-system\/\">Zero-discharge sewage treatment plants<\/a><\/li>\n\n            \n                <li><a href=\"https:\/\/www.bluewatertech.it\/en\/plants\/chemical-physical-purification-plants\/\">Chemical-physical treatment plants<\/a><\/li>\n\n            \n            <\/ul>\n\n        <\/div>\n\n    \n    \t\t<div class=\"elementor-shortcode\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b5ed58 elementor-widget elementor-widget-spacer\" data-id=\"7b5ed58\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6831f8d w-50 elementor-widget elementor-widget-shortcode\" data-id=\"6831f8d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n        <div class=\"container-settori\">\n\n            <div class=\"square-title\">Application sectors<\/div>\n\n            <ul class=\"list-settori\">\n\n            \n                <li><a href=\"https:\/\/www.bluewatertech.it\/en\/applications\/chemical-pharmaceutical\/\">Chemical-pharmaceutical<\/a><\/li>\n\n            \n                <li><a href=\"https:\/\/www.bluewatertech.it\/en\/applications\/aluminium-and-light-alloys\/\">Aluminium and light alloys<\/a><\/li>\n\n            \n                <li><a href=\"https:\/\/www.bluewatertech.it\/en\/applications\/painting\/\">Painting<\/a><\/li>\n\n            \n                <li><a href=\"https:\/\/www.bluewatertech.it\/en\/applications\/automotive\/\">Automotive<\/a><\/li>\n\n            \n                <li><a href=\"https:\/\/www.bluewatertech.it\/en\/applications\/aeronautics\/\">Aeronautics<\/a><\/li>\n\n            \n                <li><a href=\"https:\/\/www.bluewatertech.it\/en\/applications\/surface-treatment\/\">Surface treatment<\/a><\/li>\n\n            \n            <\/ul>\n\n        <\/div>\n\n    \n    \t\t<div class=\"elementor-shortcode\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>our plants To eliminate discharge into sewage or surface water<\/p>\n","protected":false},"author":1,"featured_media":4926,"parent":5183,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-5163","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.bluewatertech.it\/en\/wp-json\/wp\/v2\/pages\/5163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bluewatertech.it\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bluewatertech.it\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bluewatertech.it\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bluewatertech.it\/en\/wp-json\/wp\/v2\/comments?post=5163"}],"version-history":[{"count":7,"href":"https:\/\/www.bluewatertech.it\/en\/wp-json\/wp\/v2\/pages\/5163\/revisions"}],"predecessor-version":[{"id":5424,"href":"https:\/\/www.bluewatertech.it\/en\/wp-json\/wp\/v2\/pages\/5163\/revisions\/5424"}],"up":[{"embeddable":true,"href":"https:\/\/www.bluewatertech.it\/en\/wp-json\/wp\/v2\/pages\/5183"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bluewatertech.it\/en\/wp-json\/wp\/v2\/media\/4926"}],"wp:attachment":[{"href":"https:\/\/www.bluewatertech.it\/en\/wp-json\/wp\/v2\/media?parent=5163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}