{"id":202215,"date":"2025-10-09T10:51:08","date_gmt":"2025-10-09T14:51:08","guid":{"rendered":"https:\/\/inrs.ca\/?post_type=topic_post&#038;p=202215"},"modified":"2025-10-09T10:53:26","modified_gmt":"2025-10-09T14:53:26","slug":"our-monthly-science-question-how-can-innovative-materials-be-used-to-purify-water","status":"publish","type":"topic_post","link":"https:\/\/inrs.ca\/en\/inrs\/newsroom\/thematic-reports\/our-monthly-science-question\/our-monthly-science-question-how-can-innovative-materials-be-used-to-purify-water\/","title":{"rendered":"Our monthly science question : How can innovative materials be used to purify water?"},"content":{"rendered":"\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile is-image-fill-element has-background\" style=\"background:linear-gradient(135deg,rgb(238,238,238) 0%,rgb(234,234,234) 100%);grid-template-columns:auto 21%\"><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN-copie.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Read the article optimized for mobile devices<\/a><\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-aout2025_FR-scaled.png\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"889\" height=\"1024\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/oct_mockup-mobile-889x1024.jpg\" alt=\"\" class=\"wp-image-202201 size-full\" style=\"object-position:50% 50%\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/oct_mockup-mobile-889x1024.jpg 889w, https:\/\/inrs.ca\/wp-content\/uploads\/oct_mockup-mobile-260x300.jpg 260w, https:\/\/inrs.ca\/wp-content\/uploads\/oct_mockup-mobile-768x885.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/oct_mockup-mobile-1333x1536.jpg 1333w, https:\/\/inrs.ca\/wp-content\/uploads\/oct_mockup-mobile-1777x2048.jpg 1777w\" sizes=\"auto, (max-width: 889px) 100vw, 889px\" \/><\/a><\/figure><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"556\" class=\"wp-block-cover__image-background wp-image-202232 size-large\" alt=\"How can innovative materials be used to purify water?  Our monthly science question: a series that demystifies complex topics with simple, effective answers. \" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_01-1024x556.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_01-1024x556.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_01-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_01-768x417.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_01-1536x834.jpg 1536w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_01.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#748ca4\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"556\" class=\"wp-block-cover__image-background wp-image-202233 size-large\" alt=\"Access to drinking water is a global challenge, and a Qu\u00e9bec concern too! \n\nAll over the world, access to safe drinking water is a growing challenge, and Qu\u00e9bec is not immune. Despite its millions of freshwater sources, Qu\u00e9bec still faces pressing water-related issues. Thousands of Quebecers lack reliable access to safe drinking water systems. It is more than an infrastructure problem, it is a matter of public health and social justice. Clean water is essential for building a healthy and equitable society. \" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_02-1024x556.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_02-1024x556.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_02-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_02-768x417.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_02-1536x834.jpg 1536w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_02.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#596b79\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\"><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-202235 size-large\" alt=\"Chemicals that persist in the environment \n\nDespite Qu\u00e9bec\u2019s abundant water resources, the risk of contamination is very real. Pesticides, antibiotics, microplastics, and forever chemicals (known by their acronym PFAS) are among the chemicals that are widely present in our daily life, and in our water supply. These risks  increase further when water mains break, chemical spills occur, and firefighters use film-forming foam is to extinguish intense fires. This is where science steps in to help with innovative solutions.\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_03-1-1024x556.jpg\" data-object-fit=\"cover\"\/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#9c9189\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"555\" class=\"wp-block-cover__image-background wp-image-202236 size-large\" alt=\"Tackling contaminants with... electricity \n\nTo decontaminate the polluted waters from persistent contaminants, we use... electric currents! Known as electro-oxidation processes, these techniques use anodes\u2014i.e., special electrodes that inject electrical current into the water . When subjected to an electric field, these electrodes, which possess a combination of specific properties, generate highly reactive species that effectively degrade the contaminants in the water. \" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_04-1024x555.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_04-1024x555.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_04-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_04-768x416.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_04-1536x833.jpg 1536w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_04.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#889fb6\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"556\" class=\"wp-block-cover__image-background wp-image-202237 size-large\" alt=\"Creating innovative materials \n\nUntil now, synthetic diamond-based electrodes have been used for this process. However, the complexity of their synthesis and associated high production costs present serious limitations!. That\u2019s where the expertise of Professor My Ali El\u202fKhakani and his team at INRS\u2019s Centre for Energy, Telecommunications and Materials come into play. Their challenging mission: to develop corrosion-resistant, electrically conductive and cost-effective alternative electrodes. Drawing on to their in-depth knowledge of material sciences, Professor El\u202fKhakani\u2019s team, in collaboration with Professor Patrick Drogui and his team, have developed titanium oxide-based coatings (a naturally abundant material) with a specific Ti4O7 composition known as the \u201cMagn\u00e9li phase.\u201d These new anodes have been proven  highly effective in degrading PFAS. Remarkably, they demonstrate performance and durability comparable to, or even exceeding, that  of  boron-doped synthetic diamond electrodes.  \" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_05-1024x556.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_05-1024x556.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_05-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_05-768x417.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_05-1536x834.jpg 1536w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_05.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#dadfe4\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"556\" class=\"wp-block-cover__image-background wp-image-202238 size-large\" alt=\"Creating innovative materials \" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_06-1024x556.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_06-1024x556.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_06-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_06-768x417.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_06-1536x834.jpg 1536w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_06.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#51799b\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"556\" class=\"wp-block-cover__image-background wp-image-202239 size-large\" alt=\"Using green processes to decontaminate water \n\nIn Qu\u00e9bec, where electricity is exclusively generated from hydraulic sources, electro-oxidation techniques offer a particularly eco-friendly approach  to water decontamination. The method developed by INRS researchers has shown impressive results, effectively treating both lightly contaminated and heavily polluted industrial waters. PFAS degradation rates of up to 98% have been achieved! What\u2019s more, these electro-oxidation processes have also been found effective in breaking down other pollutants, such as atrazine, a widespread contaminant in Qu\u00e9bec\u2019s agricultural regions, and chlortetracycline, an antibiotic used in veterinary medicine. This discovery, the result of decades of research and expertise, directly contributes to ensuring access to clean and safe drinking water in Qu\u00e9bec.\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_07-1024x556.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_07-1024x556.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_07-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_07-768x417.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_07-1536x834.jpg 1536w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-octobre2025_EN_07.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#7b7b6f\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n<div class=\"content-page-list-ctn\">\n    <h4 class=\"title\">Learn more<\/h4>\n    <div class=\"featured-cta-ctn -trio\">\n                    <div class=\"item jsBlockLink\">\n                <div class=\"image\">\n                                            <img decoding=\"async\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/My-Ali-El-Khakani8896_JLecompte_H_72DPI_Profil-600x400.jpg\" alt=\"My Ali El Khakani\">\n                                    <\/div>\n                <div class=\"info\">\n                    <a class=\"link\" href=\"\/en\/research\/professors\/my-ali-el-khakani\/\">My Ali El Khakani<\/a>\n                <\/div>\n            <\/div>\n                    <div class=\"item jsBlockLink\">\n                <div class=\"image\">\n                                            <img decoding=\"async\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/photothermique_equipe-600x400.jpg\" alt=\"Super Efficient Photothermal Materials\">\n                                    <\/div>\n                <div class=\"info\">\n                    <a class=\"link\" href=\"\/en\/news\/super-efficient-photothermal-materials\/\">Super Efficient Photothermal Materials<\/a>\n                <\/div>\n            <\/div>\n                    <div class=\"item jsBlockLink\">\n                <div class=\"image\">\n                                            <img decoding=\"async\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/Photo-Groupe-El_Khakani-june2024-1-600x400.jpg\" alt=\"An Innovatively Structured 2D-Material with High promises to Revolutionize Optoelectronics\">\n                                    <\/div>\n                <div class=\"info\">\n                    <a class=\"link\" href=\"\/en\/news\/an-innovatively-structured-2d-material-with-high-promises-to-revolutionize-optoelectronics\/\">An Innovatively Structured 2D-Material with High promises to Revolutionize Optoelectronics<\/a>\n                <\/div>\n            <\/div>\n            <\/div>\n<\/div>","protected":false},"featured_media":202242,"parent":175375,"template":"","class_list":["post-202215","topic_post","type-topic_post","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Our monthly science question : How can innovative materials be used to purify water? 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