{"id":83886,"date":"2026-03-27T12:27:47","date_gmt":"2026-03-27T11:27:47","guid":{"rendered":"https:\/\/www.kwrwater.nl\/actueel\/aquanl-dag-3-waterkwaliteit-waterhergebruik-en-de-toevallige-ontmoeting\/"},"modified":"2026-03-27T12:47:13","modified_gmt":"2026-03-27T11:47:13","slug":"aquanl-dag-3-waterkwaliteit-waterhergebruik-en-de-toevallige-ontmoeting","status":"publish","type":"post","link":"https:\/\/www.kwrwater.nl\/en\/actueel\/aquanl-dag-3-waterkwaliteit-waterhergebruik-en-de-toevallige-ontmoeting\/","title":{"rendered":"AquaNL day 3: Water quality, water reuse, and chance encounters"},"content":{"rendered":"<div class=\"post_intro\">\n<p>The third day of AquaNL was devoted to water quality, water reuse and the question of how we in the Netherlands are working towards a sustainable and future-resilient water system. For KWR, these are precisely the areas where research, innovation, practice and policy intersect, and this was clear to see in our programme and on the floor of the fair.<\/p>\n<\/div>\n<h2>The impact of micropollutants<\/h2>\n<p>The day kicked off with a presentation from Thomas ter Laak, who took his listeners into the world of micropollutants. He described the effects these substances have on humans and the environment, and explained why a sound understanding of their behaviour is essential for good water management. The presentation stressed the urgency of further monitoring, treatment technology <em>and <\/em>collaboration to tackle these emerging substances effectively.<\/p>\n<div class=\"wp-caption alignnone\" style=\"width: 780px\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-12-780x470.jpg\" alt=\"\" width=\"780\" height=\"470\" \/><p class=\"wp-caption-text\">Thomas ter Laak spoke about \u2018The Micropollutants Expert Group \u2013 What are micropollutants and what do they mean for us and our environment\u2019<\/p><\/div>\n<h2>Water reuse under the Water Framework Directive<\/h2>\n<p>Roberta Hofman then looked at the question of what shape water reuse can take in the context of the Water Framework Directive (WFD). She described the opportunities afforded by the WFD, the boundary conditions that are important, and the implications for innovation, permit procedures and practical implementation. Her key message: technology and policy need to work together to make water reuse responsible and scalable.<\/p>\n<div class=\"wp-caption alignnone\" style=\"width: 780px\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-11-780x470.jpg\" alt=\"\" width=\"780\" height=\"470\" \/><p class=\"wp-caption-text\">Roberta Hofman-Carais spoke on &#8216;Water reuse in the context of the Water Framework Directive&#8217;<\/p><\/div>\n<h2>20% less drinking water in 2035: it&#8217;s the sector&#8217;s turn<\/h2>\n<p>Kees Roest then presented both the challenges and the opportunities for saving water in the sector, which has agreed to use 20 per cent less drinking water by 2035; this ambition will require technological innovation, systemic thinking and collaboration. His talk focused on the industrial water transition roadmap, a pathway to a robust water system without harmful emissions and based on sustainable alternatives. These concrete steps require concrete implementation.<\/p>\n<div class=\"wp-caption alignnone\" style=\"width: 780px\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-14-780x470.jpg\" alt=\"\" width=\"780\" height=\"470\" \/><p class=\"wp-caption-text\">Kees Roest spoke about &#8216;Water conservation and reuse in industry&#8217;<\/p><\/div>\n<h2>PFAS: persistent, widespread and challenging<\/h2>\n<p>In the subsequent programme, I (Martijn van Veggel) and Roberta gave a presentation on PFAS, substances that are present throughout the world, persistent and increasingly visible in water chains. We discussed how PFAS enter water, which removal technologies are effective and why responsible destruction is crucial to prevent their reintroduction.<\/p>\n<p>At the outset of our presentation, I asked our listeners who was already actively working on PFAS. Everybody\u2019s hand went up. And almost everyone said they had been doing this for more than five years.<\/p>\n<p>That was a significant moment: PFAS is not an emerging issue but a firmly entrenched part of day-to-day work in the water sector. It illustrates how big the challenge is but also how much knowledge and experience we already have and how important it is to continue sharing that knowledge with one another.<\/p>\n<p>We explored two approaches to tackling PFAS:<\/p>\n<ul>\n<li><strong>Adsorption<\/strong>, with activated carbon often being the standard<\/li>\n<li><strong>Concentration<\/strong>, which requires an additional thickening phase to make destruction feasible<\/li>\n<\/ul>\n<p>In both cases, PFAS is removed from the main stream. However, a waste stream (loaded adsorbent or concentrate) is left containing PFAS. To stop those PFAS from re-entering the environment, destruction technologies are needed. KWR has already studied numerous technologies that could do just that, and we shared an overview of them with our listeners.<\/p>\n<p>They engaged with us actively, and the openness with which professionals shared their experiences and considerations made this session particularly valuable.<\/p>\n<div class=\"slideshow\"><div class=\"slideshow_preloader\"><\/div><div class=\"slideshow_slick\"><div><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-16-780x470.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-16-780x470.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-16-780x470.jpg\" alt=\"Image (16)\" \/><div class=\"caption\">Martijn van Veggel spoke with Roberta Hofman-Caris about \u2018PFAS concentrations and removal from water\u2019<\/div><\/div><div><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-15-768x470.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-15-768x470.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-15-768x470.jpg\" alt=\"Image (15)\" \/><div class=\"caption\">Martijn van Veggel spoke with Roberta Hofman-Caris about \u2018PFAS concentrations and removal from water\u2019<\/div><\/div><div><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-6-780x470.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-6-780x470.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-6-780x470.jpg\" alt=\"Image (6)\" \/><div class=\"caption\">Martijn van Veggel spoke with Roberta Hofman-Caris about \u2018PFAS concentrations and removal from water\u2019<\/div><\/div><div><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-768x470.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-768x470.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-768x470.jpg\" alt=\"Image (17)\" \/><div class=\"caption\">Martijn van Veggel in conversation with the audience, during which they shared their experiences and considerations<\/div><\/div><\/div><div class=\"slideshow_nav\"><div class=\"slideshow_nav_item\"><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-16-150x150.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-16-150x150.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-16-150x150.jpg\" alt=\"Image (16)\" \/><\/div><div class=\"slideshow_nav_item\"><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-15-150x150.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-15-150x150.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-15-150x150.jpg\" alt=\"Image (15)\" \/><\/div><div class=\"slideshow_nav_item\"><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-6-150x150.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-6-150x150.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-6-150x150.jpg\" alt=\"Image (6)\" \/><\/div><div class=\"slideshow_nav_item\"><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-150x150.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-150x150.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-150x150.jpg\" alt=\"Image (17)\" \/><\/div><\/div><\/div>\n<h2>Innovation around PFAS is expanding rapidly<\/h2>\n<p>Before and after our session, it was striking how many companies and research organisations are developing new technologies to remove and safely destroy PFAS. From pilot installations to commercial innovations: the field is growing rapidly and moving jointly towards solutions that are both effective and responsible.<\/p>\n<h2>The power of chance encounters<\/h2>\n<p>In addition to all the substantive presentations, another element meant that this was a valuable day: chance encounters. AquaNL is pre-eminently a place where you meet acquaintances you haven\u2019t spoken to for a while, but where you also meet new faces with whom you discover that you have a shared challenge.<\/p>\n<p>A brief conversation at a stand, an unexpected meeting in a corridor or a spontaneous exchange of ideas after a presentation: these are often precisely the moments that lead to new ideas, new perspectives or even future alliances. It was inspiring to see sector colleagues meeting up with each other, offering help and making plans for a follow-up.<\/p>\n<p>Day 3 of AquaNL provided a wonderful demonstration of how strong the water sector can be when knowledge, innovation, practical experience <em>and <\/em>human connections come together. Whether the focus was on water reuse, micropollutants, the industrial water transition or PFAS, the same drive to move forward together was tangible all around.<\/p>\n<div class=\"slideshow\"><div class=\"slideshow_preloader\"><\/div><div class=\"slideshow_slick\"><div><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/55166644907_b6a3943eb7_o-780x470.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/55166644907_b6a3943eb7_o-780x470.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/55166644907_b6a3943eb7_o-780x470.jpg\" alt=\"55166644907_b6a3943eb7_o\" \/><div class=\"caption\">AquaNL 2026 from First Floor<\/div><\/div><div><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-21-780x470.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-21-780x470.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-21-780x470.jpg\" alt=\"Image (21)\" \/><div class=\"caption\">AquaNL 2026 programme, day 3<\/div><\/div><div><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-13-768x470.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-13-768x470.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-13-768x470.jpg\" alt=\"Image (13)\" \/><div class=\"caption\">We had some lovely and interesting conversations with researchers at our stand<\/div><\/div><div><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-18-780x470.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-18-780x470.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-18-780x470.jpg\" alt=\"Image (18)\" \/><div class=\"caption\">Kees Roest spoke on the topic of &#8216;Water conservation and reuse in industry&#8217;<\/div><\/div><div><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-768x470.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-768x470.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-768x470.jpg\" alt=\"Image (17)\" \/><div class=\"caption\">Martijn van Veggel in conversation with the audience, during which they shared their experiences and considerations<\/div><\/div><div><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-19-768x470.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-19-768x470.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-19-768x470.jpg\" alt=\"Image (19)\" \/><div class=\"caption\">We had some lovely and interesting conversations with researchers at our stand<\/div><\/div><div><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-20-768x470.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-20-768x470.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-20-768x470.jpg\" alt=\"Image (20)\" \/><div class=\"caption\">We had some lovely and interesting conversations with researchers at our stand<\/div><\/div><\/div><div class=\"slideshow_nav\"><div class=\"slideshow_nav_item\"><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/55166644907_b6a3943eb7_o-150x150.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/55166644907_b6a3943eb7_o-150x150.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/55166644907_b6a3943eb7_o-150x150.jpg\" alt=\"55166644907_b6a3943eb7_o\" \/><\/div><div class=\"slideshow_nav_item\"><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-21-150x150.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-21-150x150.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-21-150x150.jpg\" alt=\"Image (21)\" \/><\/div><div class=\"slideshow_nav_item\"><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-13-150x150.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-13-150x150.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-13-150x150.jpg\" alt=\"Image (13)\" \/><\/div><div class=\"slideshow_nav_item\"><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-18-150x150.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-18-150x150.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-18-150x150.jpg\" alt=\"Image (18)\" \/><\/div><div class=\"slideshow_nav_item\"><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-150x150.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-150x150.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-17-150x150.jpg\" alt=\"Image (17)\" \/><\/div><div class=\"slideshow_nav_item\"><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-19-150x150.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-19-150x150.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-19-150x150.jpg\" alt=\"Image (19)\" \/><\/div><div class=\"slideshow_nav_item\"><img decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-20-150x150.jpg\" width=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-20-150x150.jpg\" height=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2026\/03\/Image-20-150x150.jpg\" alt=\"Image (20)\" \/><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The third day of AquaNL was devoted to water quality, water reuse and the question of how we in the Netherlands are working towards a sustainable and future-resilient water system. For KWR, these are precisely the areas where research, innovation, practice and policy intersect, and this was clear to see in our programme and on the floor of the fair.<\/p>\n","protected":false},"author":76,"featured_media":83873,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[631],"tags":[],"class_list":["post-83886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>AquaNL day 3: Water quality, water reuse, and chance encounters - KWR<\/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:\/\/www.kwrwater.nl\/en\/actueel\/aquanl-dag-3-waterkwaliteit-waterhergebruik-en-de-toevallige-ontmoeting\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AquaNL day 3: Water quality, water reuse, and chance encounters - KWR\" \/>\n<meta property=\"og:description\" content=\"The third day of AquaNL was devoted to water quality, water reuse and the question of how we in the Netherlands are working towards a sustainable and future-resilient water system. 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