{"id":7039,"date":"2025-07-22T05:52:43","date_gmt":"2025-07-22T05:52:43","guid":{"rendered":"https:\/\/luispev98.es\/dwtp-malgrat-de-mardrinking-water-treatment-plant-in-malgrat-de-mar-100-m%c2%b3-h\/"},"modified":"2025-07-22T08:41:16","modified_gmt":"2025-07-22T08:41:16","slug":"dwtp-malgrat-de-mardrinking-water-treatment-plant-in-malgrat-de-mar-100-m%c2%b3-h","status":"publish","type":"post","link":"https:\/\/luispev98.es\/en\/dwtp-malgrat-de-mardrinking-water-treatment-plant-in-malgrat-de-mar-100-m%c2%b3-h\/","title":{"rendered":"DWTP: Malgrat de MarDrinking water treatment plant in Malgrat de Mar (100 m\u00b3\/h)"},"content":{"rendered":"\n<p><strong>Introduction:<\/strong><br\/>The water supplied to the municipality of Malgrat de Mar has high levels of iron (460 \u00b5g\/l) and manganese (101 \u00b5g\/l), exceeding the limits established by drinking water quality regulations. Initially, these metals are dissolved and colorless, but when they come into contact with oxidizing agents such as chlorine or oxygen in the air, they are transformed into insoluble and colored forms, significantly altering the organoleptic and sanitary quality of the water.<\/p>\n\n<p><strong>Location:<\/strong><br\/>Malgrat de Mar, Catalonia, Spain<\/p>\n\n<p><strong>Problem:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>High presence of iron and manganese, with values above the legal limits for human consumption.<\/li>\n\n\n\n<li>Absence of sewage network, which makes it necessary to design a zero discharge facility.<\/li>\n\n\n\n<li>Risk of supply interruptions due to possible incidents in the treatment or pumping systems.<\/li>\n<\/ul>\n\n<p><strong>Solution:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Installation of an ILERDAGUA water treatment plant with a design flow of 100 m\u00b3\/h, operating continuously 24 hours a day.<\/li>\n\n\n\n<li>Oxidation system that transforms dissolved iron and manganese into insoluble forms.<\/li>\n\n\n\n<li>Subsequent filtration through a flint bed, designed to efficiently remove oxidized compounds and obtain high quality drinking water.<\/li>\n<\/ul>\n\n<p><strong>Results:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>The treated water complies with all the sanitary parameters required for drinking water, both in terms of chemical composition and organoleptic characteristics (color, odor and taste).<\/li>\n\n\n\n<li>Continuity of supply is guaranteed 24 hours a day, avoiding interruptions due to treatment incidents.<\/li>\n\n\n\n<li>The system has been designed to operate with zero discharge, which ensures environmentally responsible management adapted to the reality of the municipality, where there is no sewage network.<\/li>\n\n\n\n<li>The operation and maintenance process is safe, efficient and sustainable, with low energy and chemical consumption.<\/li>\n<\/ul>\n\n<p><strong>Key data:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Constant treatment flow rate of 100 m\u00b3\/h.<\/li>\n\n\n\n<li>Oxidation of iron and manganese with sodium hypochlorite. Requires a hydraulic retention time of more than 20 minutes.<\/li>\n\n\n\n<li>The operation of the filter is continuous as long as it receives water.<\/li>\n\n\n\n<li>The nominal filtration velocity ranges between 10 and 12 m\u00b3\/m\u00b2-h.<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"775\" height=\"581\" data-id=\"6840\" src=\"https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image1.jpg\" alt=\"\" class=\"wp-image-6840\" srcset=\"https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image1.jpg 775w, https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image1-300x225.jpg 300w, https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image1-768x576.jpg 768w\" sizes=\"auto, (max-width: 775px) 100vw, 775px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"776\" height=\"582\" data-id=\"6844\" src=\"https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image2.jpg\" alt=\"\" class=\"wp-image-6844\" srcset=\"https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image2.jpg 776w, https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image2-300x225.jpg 300w, https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image2-768x576.jpg 768w\" sizes=\"auto, (max-width: 776px) 100vw, 776px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"557\" height=\"743\" data-id=\"6848\" src=\"https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image3.jpg\" alt=\"\" class=\"wp-image-6848\" srcset=\"https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image3.jpg 557w, https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image3-225x300.jpg 225w\" sizes=\"auto, (max-width: 557px) 100vw, 557px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"937\" height=\"703\" data-id=\"6852\" src=\"https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image4.jpg\" alt=\"\" class=\"wp-image-6852\" srcset=\"https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image4.jpg 937w, https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image4-300x225.jpg 300w, https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image4-768x576.jpg 768w\" sizes=\"auto, (max-width: 937px) 100vw, 937px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"584\" height=\"778\" data-id=\"6856\" src=\"https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image5.jpg\" alt=\"\" class=\"wp-image-6856\" srcset=\"https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image5.jpg 584w, https:\/\/luispev98.es\/wp-content\/uploads\/2025\/07\/image5-225x300.jpg 225w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Introduction:The water supplied to the municipality of Malgrat de Mar has high levels of iron (460 \u00b5g\/l) and manganese (101 \u00b5g\/l), exceeding the limits established by drinking water quality regulations. Initially, these metals are dissolved and colorless, but when they come into contact with oxidizing agents such as chlorine or oxygen in the air, they [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":6842,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-7039","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/luispev98.es\/en\/wp-json\/wp\/v2\/posts\/7039","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/luispev98.es\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/luispev98.es\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/luispev98.es\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/luispev98.es\/en\/wp-json\/wp\/v2\/comments?post=7039"}],"version-history":[{"count":1,"href":"https:\/\/luispev98.es\/en\/wp-json\/wp\/v2\/posts\/7039\/revisions"}],"predecessor-version":[{"id":7040,"href":"https:\/\/luispev98.es\/en\/wp-json\/wp\/v2\/posts\/7039\/revisions\/7040"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/luispev98.es\/en\/wp-json\/wp\/v2\/media\/6842"}],"wp:attachment":[{"href":"https:\/\/luispev98.es\/en\/wp-json\/wp\/v2\/media?parent=7039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/luispev98.es\/en\/wp-json\/wp\/v2\/categories?post=7039"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/luispev98.es\/en\/wp-json\/wp\/v2\/tags?post=7039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}