{"id":6112,"date":"2026-04-22T11:24:00","date_gmt":"2026-04-22T04:24:00","guid":{"rendered":"https:\/\/mkimia.fst.unair.ac.id\/activated-carbon-from-industrial-waste-for-dye-pollution-remediation\/"},"modified":"2026-04-22T12:26:20","modified_gmt":"2026-04-22T05:26:20","slug":"activated-carbon-from-industrial-waste-for-dye-pollution-remediation","status":"publish","type":"post","link":"https:\/\/mkimia.fst.unair.ac.id\/en\/activated-carbon-from-industrial-waste-for-dye-pollution-remediation\/","title":{"rendered":"Activated Carbon from Industrial Waste for Dye Pollution Remediation"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6112\" class=\"elementor elementor-6112 elementor-6100\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-284ed893 elementor-section-height-min-height elementor-section-items-top elementor-section-boxed elementor-section-height-default\" data-id=\"284ed893\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wide\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-23c253c2\" data-id=\"23c253c2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5ead4092 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"5ead4092\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Activated Carbon from Industrial Waste for Dye Pollution Remediation<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f9d45db elementor-widget elementor-widget-post-info\" data-id=\"4f9d45db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-734f236 elementor-inline-item\" itemprop=\"author\">\n\t\t\t\t\t\t<a href=\"https:\/\/mkimia.fst.unair.ac.id\/en\/author\/editormkimia\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-user-circle\" viewBox=\"0 0 496 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M248 104c-53 0-96 43-96 96s43 96 96 96 96-43 96-96-43-96-96-96zm0 144c-26.5 0-48-21.5-48-48s21.5-48 48-48 48 21.5 48 48-21.5 48-48 48zm0-240C111 8 0 119 0 256s111 248 248 248 248-111 248-248S385 8 248 8zm0 448c-49.7 0-95.1-18.3-130.1-48.4 14.9-23 40.4-38.6 69.6-39.5 20.8 6.4 40.6 9.6 60.5 9.6s39.7-3.1 60.5-9.6c29.2 1 54.7 16.5 69.6 39.5-35 30.1-80.4 48.4-130.1 48.4zm162.7-84.1c-24.4-31.4-62.1-51.9-105.1-51.9-10.2 0-26 9.6-57.6 9.6-31.5 0-47.4-9.6-57.6-9.6-42.9 0-80.6 20.5-105.1 51.9C61.9 339.2 48 299.2 48 256c0-110.3 89.7-200 200-200s200 89.7 200 200c0 43.2-13.9 83.2-37.3 115.9z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t\t\t\teditormkimia\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-5f053c5 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/mkimia.fst.unair.ac.id\/en\/2026\/04\/22\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-calendar\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M12 192h424c6.6 0 12 5.4 12 12v260c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V204c0-6.6 5.4-12 12-12zm436-44v-36c0-26.5-21.5-48-48-48h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v36c0 6.6 5.4 12 12 12h424c6.6 0 12-5.4 12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>April 22, 2026<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\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-5e18ace0 elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"5e18ace0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-featured-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=\"1024\" height=\"576\" src=\"https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/04\/aip-general-1024x576-1.jpg\" class=\"attachment-full size-full wp-image-6102\" alt=\"\" srcset=\"https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/04\/aip-general-1024x576-1.jpg 1024w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/04\/aip-general-1024x576-1-300x169.jpg 300w, https:\/\/mkimia.fst.unair.ac.id\/wp-content\/uploads\/sites\/27\/2026\/04\/aip-general-1024x576-1-768x432.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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 class=\"elementor-element elementor-element-2197db91 elementor-widget elementor-widget-text-editor\" data-id=\"2197db91\" 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 data-start=\"67\" data-end=\"769\">The textile and batik industries are among the major contributors to water pollution worldwide. The wastewater they produce contains synthetic dyes that are not only difficult to degrade but also potentially harmful to the environment and human health. One commonly used dye is bromocresol green (BCG), which is known for its stability and resistance to removal from wastewater. This issue calls for solutions that are not only effective but also economical and sustainable. One increasingly developed approach is the utilization of industrial waste as raw material for treating other waste, in line with the principles of the circular economy that are actively being applied in various programs today.<\/p>\n<p><\/p>\n<p data-start=\"771\" data-end=\"1752\">Recent studies have shown that industrial waste such as spent bleaching earth (SBE), a byproduct of palm oil refining, and glycerin pitch, a byproduct of the biodiesel industry, can be converted into adsorbent materials. Through carbonization and chemical activation processes, glycerin pitch can be transformed into activated carbon. Even more interestingly, modification using phosphoric acid produces activated carbon with exceptionally high performance. This modified activated carbon has a highly porous structure with a surface area of approximately 859 m\u00b2\/g. This structure allows more dye molecules to be adsorbed onto the material\u2019s surface. For comparison, conventional activated carbon has a dye removal efficiency of about 72%, unmodified SBE removes around 82%, titanium-modified activated carbon achieves about 92%, while phosphorus-modified activated carbon can reach up to 99.56%. This means that nearly all dye molecules are successfully removed from the solution.<\/p>\n<p><\/p>\n<p data-start=\"1754\" data-end=\"2223\">The removal process occurs through adsorption, where dye molecules adhere to the surface of the material through chemical interactions. One of the main advantages of phosphorus-modified activated carbon is its reusability. After use, the material can be regenerated through heating and still maintain high performance for up to six cycles. This is highly beneficial from both economic and sustainability perspectives, as it reduces the need for producing new materials.<\/p>\n<p><\/p>\n<p data-start=\"2225\" data-end=\"3066\">This material has not only been tested in laboratory settings but also applied to real batik wastewater. The results are very promising, with a color removal efficiency of around 97.6%. Although a small amount of color remains, this is expected because real industrial wastewater contains a more complex mixture of chemical substances compared to model solutions used in laboratories. These findings demonstrate that industrial waste can be repurposed into high-value materials. Waste-based activated carbon shows great potential as a solution for water treatment. Through simple chemical modification, its performance can be significantly enhanced. In the future, this technology can be further developed for large-scale textile wastewater treatment, removal of various other pollutants, and sustainable waste-based water treatment systems.<\/p>\n<p><\/p>\n<p data-start=\"3068\" data-end=\"3197\"><strong>Author: Alfa Akustia Widati<\/strong>, published in the Journal of Dispersion Science and Technology: <a href=\"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/01932691.2026.2643283\">https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/01932691.2026.2643283<\/a><\/p>\n<p><\/p>\n<p data-start=\"3068\" data-end=\"3197\"><em data-start=\"59\" data-end=\"245\">This article is a repost from the Popular Scientific Articles page of <span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">Universitas Airlangga<\/span><\/span> (UNAIR) and has been adapted for publication on the Chemistry UNAIR website.<br \/>\nOriginal source:<\/em> <a href=\"https:\/\/unair.ac.id\/karbon-aktif-dari-limbah-industri-untuk-mengatasi-pencemaran-zat-warna\/\"><em data-start=\"271\" data-end=\"351\">\u201cActivated Carbon from Industrial Waste for Dye Pollution Remediation (UNAIR)\u201d<\/em><\/a><\/p>\n\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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-21599c5e\" data-id=\"21599c5e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2db60ae elementor-widget elementor-widget-heading\" data-id=\"2db60ae\" 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<h4 class=\"elementor-heading-title elementor-size-default\">Other news<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-388f6628 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"388f6628\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The textile and batik industries are among the major contributors to water pollution worldwide. The wastewater they produce contains synthetic dyes that are not only difficult to degrade but also [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":6102,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-6112","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Activated Carbon from Industrial Waste for Dye Pollution Remediation - S2 Kimia Fakultas Sains dan Teknologi Universitas Airlangga<\/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:\/\/mkimia.fst.unair.ac.id\/en\/activated-carbon-from-industrial-waste-for-dye-pollution-remediation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Activated Carbon from Industrial Waste for Dye Pollution Remediation - S2 Kimia Fakultas Sains dan Teknologi Universitas Airlangga\" \/>\n<meta property=\"og:description\" content=\"The textile and batik industries are among the major contributors to water pollution worldwide. 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