{"id":10594,"date":"2025-02-20T17:57:24","date_gmt":"2025-02-20T15:57:24","guid":{"rendered":"https:\/\/www.elfifiltration.com\/02\/2025\/non-categorizzato\/seawater-pre-treatment-for-reverse-osmosis\/"},"modified":"2025-02-20T17:57:24","modified_gmt":"2025-02-20T15:57:24","slug":"seawater-pre-treatment-for-reverse-osmosis","status":"publish","type":"post","link":"https:\/\/www.elfifiltration.com\/en\/02\/2025\/news-en\/seawater-pre-treatment-for-reverse-osmosis\/","title":{"rendered":"Seawater pre-treatment for reverse osmosis"},"content":{"rendered":"<p>The pre-treatment system consists of filtering open sea water with the following treatments:<\/p>\n<h4>FIRST STAGE<\/h4>\n<ul>\n<li>SCR L self-cleaning filter in SAF2205 80-15<\/li>\n<li>80 micron filtration<\/li>\n<li>Flow rate 25 mc\/h<\/li>\n<\/ul>\n<h4>SECOND STAGE<\/h4>\n<ul>\n<li>SCR L self-cleaning filter in SAF2205 80-15<\/li>\n<li>20 micron filtration WITH 3D FABRIC<\/li>\n<li>Flow rate 25 mc\/h<\/li>\n<\/ul>\n<h4>THIRD STAGE<\/h4>\n<ul>\n<li>Melt blown polypropylene filter 9\u2033x 40\u2033 Cartridge diameter 2\u20331\/2<\/li>\n<li>5 micron filtration<\/li>\n<li>Flow rate 25 mc\/h<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-10589\" src=\"https:\/\/www.elfifiltration.com\/wp-content\/uploads\/2025\/02\/Pre-trattamento-acqua-mare-per-osmosi-inversa-2.webp\" alt=\"\" width=\"800\" height=\"451\" srcset=\"https:\/\/www.elfifiltration.com\/wp-content\/uploads\/2025\/02\/Pre-trattamento-acqua-mare-per-osmosi-inversa-2.webp 800w, https:\/\/www.elfifiltration.com\/wp-content\/uploads\/2025\/02\/Pre-trattamento-acqua-mare-per-osmosi-inversa-2-300x169.webp 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Previously, the system consisted of an 80 micron self-cleaning filter + a 25 micron self-cleaning filter (with monofilament fabric).<\/p>\n<p>The change of filtering element in the second stage, from 25 micron monofilament to <strong>20 micron 3D<\/strong> has led to <strong>lengthening the life of the melt blown filter cartridges<\/strong>. With 25 micron monofilament fabric the filter cartridges were replaced every day, <strong>with 20 micron 3d fabric the cartridge change has gone to 4 days.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The pre-treatment system consists of filtering open sea water with the treatments listed below, discover them all!<\/p>\n","protected":false},"author":1,"featured_media":10592,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[188,102,157],"class_list":["post-10594","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-en","tag-seawater-pre-treatment","tag-self-cleaning-filters","tag-self-cleaning-filter"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Seawater pre-treatment for reverse osmosis | Elfi Filtration<\/title>\n<meta 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