{"id":29771,"date":"2022-12-01T16:36:01","date_gmt":"2022-12-01T15:36:01","guid":{"rendered":"https:\/\/www.deschacht.eu\/?post_type=portfolio&#038;p=29771"},"modified":"2024-06-20T08:51:59","modified_gmt":"2024-06-20T07:51:59","slug":"aquafin-teste-une-nouvelle-station-depuration-des-eaux-avec-des-tuyaux-en-pehd-de-deschacht","status":"publish","type":"portfolio","link":"https:\/\/www.deschacht.eu\/fr\/project\/aquafin-teste-une-nouvelle-station-depuration-des-eaux-avec-des-tuyaux-en-pehd-de-deschacht\/","title":{"rendered":"Aquafin teste une nouvelle station d\u2019\u00e9puration des eaux avec des tuyaux en PEHD de Deschacht"},"content":{"rendered":"<div class=\"wpb-content-wrapper\">[vc_row][vc_column width=&#8221;2\/3&#8243; css=&#8221;.vc_custom_1528199106744{padding-right: 30px !important;}&#8221;][vc_column_text]<strong>Aquafin construit une toute nouvelle station d\u2019\u00e9puration des eaux \u00e0 Aartselaar. Pour la premi\u00e8re fois, la station \u00e9liminera \u00e9galement les micropolluants de l&#8217;eau. Une premi\u00e8re en Flandre. Les tuyaux en PEHD de Deschacht transportent l&#8217;eau trait\u00e9e entre les diff\u00e9rentes structures de la station. <\/strong><\/p>\n<p>La Flandre a besoin d&#8217;une installation d&#8217;\u00e9limination des micropolluants \u00e0 grande \u00e9chelle. Il s&#8217;agit d&#8217;acqu\u00e9rir de l\u2019exp\u00e9rience avec diff\u00e9rentes techniques d&#8217;\u00e9limination des mati\u00e8res dangereuses. Trois technologies seront test\u00e9es pour la premi\u00e8re fois en grandeur nature sur l\u2019effluent d&#8217;une station d&#8217;\u00e9puration des eaux. \u00ab\u00a0Aquafin veut ainsi se familiariser avec ces nouvelles techniques et \u00e9tudier comment elles peuvent \u00eatre int\u00e9gr\u00e9es dans nos stations d&#8217;\u00e9puration\u00a0\u00bb, explique Jan Dickens, chef de projet chez Mols.<\/p>\n<h4><strong>Qu&#8217;est-ce que l&#8217;\u00e9limination des micropolluants\u00a0?<\/strong><\/h4>\n<p>L&#8217;\u00e9limination des micropolluants fait appel \u00e0 trois technologies : les filtres \u00e0 disque, l&#8217;ozone et le charbon actif en grains (CAG). Les filtres \u00e0 disque pr\u00e9traitent l&#8217;effluent de la station d&#8217;\u00e9puration des eaux us\u00e9es qui s&#8217;\u00e9coulent vers la station d&#8217;\u00e9limination des micropolluants, de sorte que quasiment aucune mati\u00e8re en suspension ne passe dans le reste du post-traitement. \u00ab Plus la concentration de mati\u00e8res en suspension qui s&#8217;\u00e9coule vers l\u2019\u00e9puration en aval est faible, plus l&#8217;efficacit\u00e9 des techniques de traitement ult\u00e9rieures est \u00e9lev\u00e9e \u00bb, explique Willy De Schagt de Deschacht.<\/p>\n<p>L\u2019installation se compose d&#8217;une installation d&#8217;ozone suivie de filtres \u00e0 pression avec du charbon actif en grains. Deux g\u00e9n\u00e9rateurs d&#8217;ozone produisent le gaz sur place et sont introduits dans les eaux us\u00e9es par des diffuseurs en c\u00e9ramique. \u00ab L&#8217;ozone se charge en partie de la d\u00e9gradation des micropolluants. Ensuite, toute l&#8217;eau de la cuve du r\u00e9acteur d&#8217;ozone passe dans six filtres \u00e0 pression. Le charbon actif absorbera \u00e0 la fois les micropolluants et les agents de d\u00e9gradation dans ses pores \u00bb, explique Willy. \u00ab En combinant les deux techniques, il est possible d&#8217;\u00e9liminer les micropolluants des effluents de la STEP de mani\u00e8re aussi efficace et compl\u00e8te que possible. Environ 75 % des eaux rejet\u00e9es par la STEP d&#8217;Aartselaar seront trait\u00e9es par \u00e9limination des micropolluants. \u00bb<\/p>\n<h4><strong>Un besoin de nouvelles technologies<\/strong><\/h4>\n<p>Gr\u00e2ce au projet d&#8217;Aartselaar, Aquafin apprend quels micropolluants nous pouvons utiliser comme substances indicatrices et quelles techniques sont utiles pour surveiller sur le long terme la qualit\u00e9 des effluents et la sant\u00e9 du cours d&#8217;eau. En outre, le d\u00e9bit des effluents de la STEP d&#8217;Aartselaar constitue une part importante du d\u00e9bit du cours d&#8217;eau r\u00e9cepteur. \u00ab\u00a0La r\u00e9duction des micropolluants rejet\u00e9s et son impact sur la qualit\u00e9 de l&#8217;eau doivent donc \u00eatre importants et clairement contr\u00f4lables. Nous pouvons utiliser les r\u00e9sultats comme guide pour d\u00e9cider o\u00f9 d&#8217;autres installations d&#8217;\u00e9limination des micropolluants sont les plus rentables\u00a0\u00bb, explique Jan.<\/p>\n<h4><strong>Les tuyaux en PEHD de Deschacht<\/strong><\/h4>\n<p>Les tuyaux en PEHD de Deschacht jouent un r\u00f4le important dans ce projet. En effet, ils transportent l&#8217;eau \u00e0 \u00e9purer entre les diff\u00e9rentes structures, soit par pompage, soit par \u00e9coulement gravitaire. \u00ab\u00a0Le chantier ne s\u2019\u00e9tend que sur 1\u00a0500 m\u00b2. C&#8217;est un d\u00e9fi que de r\u00e9aliser l&#8217;installation compl\u00e8te sur cette surface. Mais le bureau d&#8217;\u00e9tudes de Deschacht a retravaill\u00e9 son plan de base pour en faire un plan d&#8217;ex\u00e9cution, ce qui nous a permis de disposer d\u2019un plan bien pr\u00e9par\u00e9 et d\u00e9taill\u00e9. L&#8217;installation se d\u00e9roule donc tr\u00e8s bien\u00a0\u00bb, conclut Willy.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_row_inner][vc_column_inner css=&#8221;.vc_custom_1669908825284{padding-top: 30px !important;padding-right: 30px !important;padding-bottom: 30px !important;padding-left: 30px !important;background-color: #fec92e !important;}&#8221;][vc_column_text]\n<h3><span style=\"color: #082c5d;\">Deschacht :<\/span><\/h3>\n<p><span style=\"color: #082c5d;\">\u2794 <a style=\"color: #082c5d;\" href=\"https:\/\/www.deschacht.eu\/fr\/installation-de-services-dutilite-publique\/eaux-usees-et-conduites-de-refoulement\/conduites-sous-pression-en-pehd\/\">Conduites sous pression en PEHD<\/a><br \/>\n<\/span>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_empty_space height=&#8221;10px&#8221;][vc_column_text css=&#8221;.vc_custom_1669908857953{padding-top: 30px !important;padding-right: 30px !important;padding-bottom: 30px !important;padding-left: 30px !important;background-color: #efefef !important;}&#8221;]\n<h3><span style=\"color: #082c5d;\">Shop en ligne :<\/span><\/h3>\n<p><span style=\"color: #082c5d;\">\u2794 <a style=\"color: #082c5d;\" href=\"https:\/\/shop.deschacht.eu\/fr-fr\/productsearch\/search?q=PEHD&amp;cc=22035,22042&amp;t=1669908757786\">Conduites sous pression en PEHD<\/a><br \/>\n<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=&#8221;30px&#8221;][\/vc_column][\/vc_row][vc_row][vc_column]<div class=\"rd_img_gallery_ctn clearfix\" style=\"margin:0px auto 0px;\"><a class=\"ig_col_6 \" href=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-06-at-12.54.58-PM-768x1024.jpeg\"  rel=\"prettyPhoto[rel-2058522397]\" ><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-06-at-12.54.58-PM-150x150.jpeg\" class=\"attachment-thumbnail\" alt=\"\" title=\"WhatsApp Image 2022-09-06 at 12.54.58 PM\" srcset=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-06-at-12.54.58-PM-150x150.jpeg 150w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-06-at-12.54.58-PM-170x170.jpeg 170w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-06-at-12.54.58-PM-400x400.jpeg 400w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-06-at-12.54.58-PM-768x768.jpeg 768w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-06-at-12.54.58-PM-570x570.jpeg 570w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><a class=\"ig_col_6 \" href=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-1-1024x768.jpeg\"  rel=\"prettyPhoto[rel-2058522397]\" ><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-1-150x150.jpeg\" class=\"attachment-thumbnail\" alt=\"\" title=\"WhatsApp Image 2022-09-07 at 10.14.24 (1)\" srcset=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-1-150x150.jpeg 150w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-1-170x170.jpeg 170w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-1-400x400.jpeg 400w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-1-768x768.jpeg 768w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-1-570x570.jpeg 570w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-1-266x266.jpeg 266w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><a class=\"ig_col_6 \" href=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-4-1024x768.jpeg\"  rel=\"prettyPhoto[rel-2058522397]\" ><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-4-150x150.jpeg\" class=\"attachment-thumbnail\" alt=\"\" title=\"WhatsApp Image 2022-09-07 at 10.14.24 (4)\" srcset=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-4-150x150.jpeg 150w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-4-170x170.jpeg 170w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-4-400x400.jpeg 400w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-4-768x768.jpeg 768w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-4-570x570.jpeg 570w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><a class=\"ig_col_6 \" href=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-1024x768.jpeg\"  rel=\"prettyPhoto[rel-2058522397]\" ><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-150x150.jpeg\" class=\"attachment-thumbnail\" alt=\"\" title=\"WhatsApp Image 2022-09-07 at 10.14.24\" srcset=\"https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-150x150.jpeg 150w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-170x170.jpeg 170w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-400x400.jpeg 400w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-768x768.jpeg 768w, https:\/\/www.deschacht.eu\/wp-content\/uploads\/2022\/12\/WhatsApp-Image-2022-09-07-at-10.14.24-570x570.jpeg 570w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a><\/div>[\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=&#8221;30px&#8221;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;.vc_custom_1669908251249{padding-top: 30px !important;padding-right: 30px !important;padding-bottom: 30px !important;padding-left: 30px !important;background-color: #f3f3f3 !important;}&#8221;]\n<h3><strong>Fiche technique<\/strong><\/h3>\n<p><strong>Localisation\u00a0:<\/strong> Arendonk<br \/>\n<strong>Constitution\u00a0:<\/strong> 1897<br \/>\n<strong>Effectifs\u00a0:<\/strong> +\/-\u00a0 100 travailleurs internes<br \/>\n<strong>Activit\u00e9s :<\/strong> g\u00e9nie civil\u00a0\/ construction de routes\u00a0\/ travaux de collecteur\/ coffrages glissants\u00a0\/ centrale \u00e0 b\u00e9ton et de concassage<br \/>\n<strong>Services pour ce projet : <\/strong>travaux de b\u00e9tonnage &#8211; g\u00e9nie civil &#8211; pose de canalisations d&#8217;assainissement et de traitement &#8211; travaux de voirie et finition.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][\/vc_column][\/vc_row][vc_row type=&#8221;full-width-section&#8221;][vc_column][vc_empty_space height=&#8221;80px&#8221;][vc_column_text css=&#8221;.vc_custom_1670936326530{margin-bottom: 15px !important;}&#8221;]\n<h1 style=\"text-align: left;\"><span style=\"color: #082c5d;\">Voir aussi les <strong>r\u00e9alisations<\/strong> suivantes<\/span><\/h1>\n[\/vc_column_text][vc_empty_space height=&#8221;10px&#8221;]<div class=\"clearfix\" style=\"padding-top:0px\"><\/div><style type=\"text\/css\" >.rd_tyrgdrwtxi730l3ka7i1 .port_details{background:#f3f3f3; border:1px solid #ffffff; }.rd_tyrgdrwtxi730l3ka7i1 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