{"id":2431,"date":"2025-04-30T07:10:59","date_gmt":"2025-04-30T07:10:59","guid":{"rendered":"https:\/\/injectis.testsparkel.be\/?post_type=references&#038;p=2431"},"modified":"2026-01-14T08:43:53","modified_gmt":"2026-01-14T08:43:53","slug":"treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction","status":"publish","type":"references","link":"https:\/\/injectis.com\/es\/references\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\/","title":{"rendered":"Treatment of heavy metals (Zn, Pb, Ni&#8230;) water pollution and water pH correction"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2431\" class=\"elementor elementor-2431\" data-elementor-post-type=\"references\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c15e42c e-con-full e-flex e-con e-parent\" data-id=\"c15e42c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2d24f86 e-con-full container__l e-flex e-con e-child\" data-id=\"2d24f86\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-cf302a4 e-con-full e-flex e-con e-child\" data-id=\"cf302a4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-2272bb8 e-con-full e-flex e-con e-child\" data-id=\"2272bb8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-30cd15b elementor-widget elementor-widget-image\" data-id=\"30cd15b\" 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=\"800\" height=\"600\" src=\"https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/ref-bekaert-1-scaled-1-1024x768.jpg\" class=\"attachment-large size-large wp-image-2254\" alt=\"\" srcset=\"https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/ref-bekaert-1-scaled-1-1024x768.jpg 1024w, https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/ref-bekaert-1-scaled-1-300x225.jpg 300w, https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/ref-bekaert-1-scaled-1-768x576.jpg 768w, https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/ref-bekaert-1-scaled-1-1536x1152.jpg 1536w, https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/ref-bekaert-1-scaled-1-2048x1536.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<\/div>\n\t\t<div class=\"elementor-element elementor-element-d987f59 e-con-full e-flex e-con e-child\" data-id=\"d987f59\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-32e6e5b elementor-widget elementor-widget-heading\" data-id=\"32e6e5b\" 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\">Summary<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-214cbd9 elementor-widget elementor-widget-text-editor\" data-id=\"214cbd9\" 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<div><strong>Location:<\/strong> Flanders, BE<\/div><div><strong>Geology:\u00a0<\/strong>Silt<\/div><div><strong>Pollutant(s): min.\u00a0<\/strong>pH min. = 1,98 \/ cc (mg\/L): Zn=431; Pb= 56; Ni:1,8; \u00a0Cr tot.= 1,2<\/div><div><strong>Reaction: <\/strong>pH adjustment and immobilization by precipitation<\/div><div><strong>Reagent(s): <\/strong>\u00a0NaOH<\/div><div><strong>Application type:<\/strong>\u00a0Grid application<\/div><div><strong>Surface\/length:<\/strong>\u00a02000 m<sup>2<\/sup><\/div><div><strong>Number of points:<\/strong>\u00a070<br \/><strong>Depth interval:<\/strong>\u00a01,5 &#8211; 4,5 m-bgl<\/div><div><strong>Dosage:<\/strong>\u00a0200 l\/m<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\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-5d270a0 e-con-full e-flex elementor-invisible e-con e-parent\" data-id=\"5d270a0\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeIn&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-b48fab2 e-con-full container__l e-flex e-con e-child\" data-id=\"b48fab2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ac227c8 e-con-full e-flex e-con e-child\" data-id=\"ac227c8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9e02eb0 elementor-widget elementor-widget-heading\" data-id=\"9e02eb0\" 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\">Context<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29ca263 elementor-widget elementor-widget-text-editor\" data-id=\"29ca263\" 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 style=\"font-weight: 400;\">On a historical production site still in activity, working in particular metals (metal parts, tools, cables&#8230;), a problem of acidity (pH &lt; 4) which causes the dissolution of heavy metals (Zn, Pb, Ni, Cr, Cd, Cu) and create as a consequence a contamination of the groundwater. This groundwater pollution presents a proven risk of dispersion and therefor a risk of contamination of the little river situated next to the site. It was agreed to act urgently.<\/p><p style=\"font-weight: 400;\">Traditional techniques were rejected (according to BATNEEC principles) for example, the technic Pump&amp;Treat was rejected after unsatisfactory results in terms of pumping efficiency and low hydraulic permeability. In situ treatment was chosen, injection tests were conclusive and proved to be much faster and very efficient for a rentable price.<\/p>\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-05143f6 e-con-full elementor-hidden-desktop elementor-hidden-laptop elementor-hidden-tablet_extra elementor-hidden-tablet elementor-hidden-mobile_extra elementor-hidden-mobile e-flex e-con e-child\" data-id=\"05143f6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5ae986e elementor-widget elementor-widget-image\" data-id=\"5ae986e\" 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 decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/injectis.com\/wp-content\/uploads\/2024\/06\/IMG_2310-300x225-1.webp\" class=\"attachment-large size-large wp-image-865\" alt=\"\" \/>\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<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-96f251e e-con-full e-flex elementor-invisible e-con e-parent\" data-id=\"96f251e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeIn&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-f7d1dcc e-con-full container__l e-flex e-con e-child\" data-id=\"f7d1dcc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ff34833 e-con-full elementor-hidden-desktop elementor-hidden-laptop elementor-hidden-tablet_extra elementor-hidden-tablet elementor-hidden-mobile_extra elementor-hidden-mobile e-flex e-con e-child\" data-id=\"ff34833\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-133d323 elementor-widget elementor-widget-image\" data-id=\"133d323\" 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 decoding=\"async\" width=\"300\" height=\"61\" src=\"https:\/\/injectis.com\/wp-content\/uploads\/2024\/06\/Afbeelding1-300x61-1.webp\" class=\"attachment-large size-large wp-image-872\" alt=\"\" \/>\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<\/div>\n\t\t<div class=\"elementor-element elementor-element-a0bb749 e-con-full e-flex e-con e-child\" data-id=\"a0bb749\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ebb2fab elementor-widget elementor-widget-heading\" data-id=\"ebb2fab\" 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\">Reagents<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe8bc76 elementor-widget elementor-widget-text-editor\" data-id=\"fe8bc76\" 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>After laboratory tests and the pilot test, NaOH was selected to be injected in full-scale in the saturated zone. Indeed, besides the obvious correction of the pH that it will cause, NaOH allows the neutralization of heavy metals present in significant quantities by precipitation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\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-ff2dfe1 e-con-full e-flex elementor-invisible e-con e-parent\" data-id=\"ff2dfe1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeIn&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-e2a1724 e-con-full container__l e-flex e-con e-child\" data-id=\"e2a1724\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-c1f0b9b e-con-full e-flex e-con e-child\" data-id=\"c1f0b9b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b7fb652 elementor-widget elementor-widget-heading\" data-id=\"b7fb652\" 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\">Application<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e23c612 elementor-widget elementor-widget-text-editor\" data-id=\"e23c612\" 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>The area was treated by injections in grid application over an area of about 2000 m2, i.e. a total of 70 injections. The injections were carried out in a regular grid whose radius of influence after pilot testing was defined at 2,5 m. The reagents (NaOH) have been injected between 1.5 and 4.5m-ss (i.e. a treated volume of approximately 3000 m3) with a dosage of 100L\/m; i.e. 300L\/pt).<\/p>\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-874f6da e-con-full elementor-hidden-desktop elementor-hidden-laptop elementor-hidden-tablet_extra elementor-hidden-tablet elementor-hidden-mobile_extra elementor-hidden-mobile e-flex e-con e-child\" data-id=\"874f6da\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e4ae130 elementor-widget elementor-widget-image\" data-id=\"e4ae130\" 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 loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/injectis.com\/wp-content\/uploads\/2024\/06\/IMG_2291-300x225-1.webp\" class=\"attachment-large size-large wp-image-879\" alt=\"\" \/>\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<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9891f38 e-con-full e-flex elementor-invisible e-con e-parent\" data-id=\"9891f38\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeIn&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-7714b1d e-con-full container__l e-flex e-con e-child\" data-id=\"7714b1d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b58514b e-con-full elementor-hidden-desktop elementor-hidden-laptop elementor-hidden-tablet_extra elementor-hidden-tablet elementor-hidden-mobile_extra elementor-hidden-mobile e-flex e-con e-child\" data-id=\"b58514b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8299d48 elementor-widget elementor-widget-image\" data-id=\"8299d48\" 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 loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"602\" src=\"https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/Afbeelding1-1024x771.jpg\" class=\"attachment-large size-large wp-image-2151\" alt=\"Laboratory optimisation\" srcset=\"https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/Afbeelding1-1024x771.jpg 1024w, https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/Afbeelding1-300x226.jpg 300w, https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/Afbeelding1-768x578.jpg 768w, https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/Afbeelding1.jpg 1386w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\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<\/div>\n\t\t<div class=\"elementor-element elementor-element-33bab60 e-con-full e-flex e-con e-child\" data-id=\"33bab60\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d56314c elementor-widget elementor-widget-heading\" data-id=\"d56314c\" 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\">Accessibility<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ce62565 elementor-widget elementor-widget-text-editor\" data-id=\"ce62565\" 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>Another challenge on this site was the limited accessibility, namely the presence of the pollution underneath an underground parking lot. The source and plume zone were only accessible via a car elevator with a maximum height of 2,0 m. For these conditions, Injectis has developed the Micro-SPIN\u00ae injection rig. This rig has an overall driving height of 1,95 m and a width of 78 cm, which makes the rig fit through a normal door opening, or in this case the car elevator.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"author":10,"featured_media":2254,"template":"","categories":[],"class_list":["post-2431","references","type-references","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Treatment of heavy metals (Zn, Pb, Ni...) water pollution and water pH correction - Injectis<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/injectis.com\/es\/references\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Treatment of heavy metals (Zn, Pb, Ni...) water pollution and water pH correction - Injectis\" \/>\n<meta property=\"og:description\" content=\"Summary Location: Flanders, BEGeology:\u00a0SiltPollutant(s): min.\u00a0pH min. = 1,98 \/ cc (mg\/L): Zn=431; Pb= 56; Ni:1,8; \u00a0Cr tot.= 1,2Reaction: pH adjustment and immobilization by precipitationReagent(s): \u00a0NaOHApplication type:\u00a0Grid applicationSurface\/length:\u00a02000 m2Number of points:\u00a070Depth interval:\u00a01,5 &#8211; 4,5 m-bglDosage:\u00a0200 l\/m Context On a historical production site still in activity, working in particular metals (metal parts, tools, cables&#8230;), a problem of [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/injectis.com\/es\/references\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\/\" \/>\n<meta property=\"og:site_name\" content=\"Injectis\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-14T08:43:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/injectis.com\/wp-content\/uploads\/2025\/04\/ref-bekaert-1-scaled-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1920\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/injectis.com\\\/es\\\/references\\\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\\\/\",\"url\":\"https:\\\/\\\/injectis.com\\\/es\\\/references\\\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\\\/\",\"name\":\"Treatment of heavy metals (Zn, Pb, Ni...) water pollution and water pH correction - Injectis\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/injectis.com\\\/es\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/injectis.com\\\/es\\\/references\\\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/injectis.com\\\/es\\\/references\\\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/injectis.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/ref-bekaert-1-scaled-1.jpg\",\"datePublished\":\"2025-04-30T07:10:59+00:00\",\"dateModified\":\"2026-01-14T08:43:53+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/injectis.com\\\/es\\\/references\\\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/injectis.com\\\/es\\\/references\\\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/injectis.com\\\/es\\\/references\\\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\\\/#primaryimage\",\"url\":\"https:\\\/\\\/injectis.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/ref-bekaert-1-scaled-1.jpg\",\"contentUrl\":\"https:\\\/\\\/injectis.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/ref-bekaert-1-scaled-1.jpg\",\"width\":2560,\"height\":1920},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/injectis.com\\\/es\\\/references\\\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/injectis.com\\\/es\\\/inicio\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Treatment of heavy metals (Zn, Pb, Ni&#8230;) water pollution and water pH correction\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/injectis.com\\\/es\\\/#website\",\"url\":\"https:\\\/\\\/injectis.com\\\/es\\\/\",\"name\":\"Injectis\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/injectis.com\\\/es\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Treatment of heavy metals (Zn, Pb, Ni...) water pollution and water pH correction - Injectis","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/injectis.com\/es\/references\/treatment-of-heavy-metals-zn-pb-ni-water-pollution-and-water-ph-correction\/","og_locale":"es_ES","og_type":"article","og_title":"Treatment of heavy metals (Zn, Pb, Ni...) water pollution and water pH correction - Injectis","og_description":"Summary Location: Flanders, BEGeology:\u00a0SiltPollutant(s): min.\u00a0pH min. = 1,98 \/ cc (mg\/L): Zn=431; 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