{"id":13087,"date":"2019-03-12T13:53:15","date_gmt":"2019-03-12T12:53:15","guid":{"rendered":"https:\/\/asso.graie.org\/portail\/?p=13087"},"modified":"2021-01-06T15:08:07","modified_gmt":"2021-01-06T14:08:07","slug":"evaluation-de-la-contamination-des-rejets-urbains-et-des-etablissements-de-soin-par-les-detergents-et-biocides","status":"publish","type":"post","link":"https:\/\/asso.graie.org\/portail\/evaluation-de-la-contamination-des-rejets-urbains-et-des-etablissements-de-soin-par-les-detergents-et-biocides\/","title":{"rendered":"\u00c9valuation de la contamination des rejets urbains et des \u00e9tablissements de soin par les d\u00e9tergents et biocides"},"content":{"rendered":"<p>Laure Wiest, ISA<\/p>\n<p>Ce travail a consist\u00e9 \u00e0 d\u00e9velopper une m\u00e9thode novatrice d&rsquo;analyse discriminante, sensible et fiable, bas\u00e9e sur le couplage \u00ab\u00a0extraction sur phase solide\u00a0\u00bb (SPE \/ QuEChERS) suivie de l&rsquo;analyse par chromatographie liquide coupl\u00e9e \u00e0 la spectrom\u00e9trie de masse en tandem (LC-MS\/MS), pour la d\u00e9tection et la quantification de 16 tensioactifs et biocides de diff\u00e9rentes classes et familles, \u00e0 la fois dans les eaux us\u00e9es urbaines et hospitali\u00e8res. En raison de leurs propri\u00e9t\u00e9s, en particulier leur caract\u00e8re hydrophobe, c\u2019est-\u00e0-dire leur affinit\u00e9 pour la mati\u00e8re organique et donc leur capacit\u00e9 \u00e0 se fixer sur les mati\u00e8res en suspension pr\u00e9sentes dans les eaux r\u00e9siduaires urbaines, l&rsquo;extraction des matrices solides telles que les mati\u00e8res en suspension a \u00e9galement \u00e9t\u00e9 d\u00e9velopp\u00e9e. Ainsi, une m\u00e9thode unique, s\u00e9lective et sensible d\u2019analyse de diff\u00e9rentes familles de d\u00e9tergents a \u00e9t\u00e9 mise au point, \u00e0 la fois sur la fraction dissoute et particulaire des eaux us\u00e9es. L\u2019application de cette m\u00e9thode \u00e0 un grand nombre d\u2019\u00e9chantillons a permis de d\u00e9montrer son ad\u00e9quation avec l\u2019analyse d\u2019\u00e9chantillons environnementaux. Ce travail a permis de dresser un \u00e9tat des lieux des rejets en d\u00e9tergents et en biocides pour un h\u00f4pital et un bassin versant urbain de petite taille (bassin de collecte de la station d\u2019\u00e9puration de Bellecombe \u2013 32 000 EH), mettant en exergue les fortes disparit\u00e9s et la faible contribution de l&rsquo;effluent hospitalier. Les r\u00e9sultats r\u00e9v\u00e8lent des concentrations extr\u00eamement \u00e9lev\u00e9es en LAS, surtout dans l&rsquo;effluent urbain.<\/p>\n<p>&nbsp;<\/p>\n<a href=\"http:\/\/www.graie.org\/Sipibel\/docs\/docs-rilact\/RILACT-T1.2-L2-ISA-Detergents.pdf\" target=\"_blank\" class=\"shortc-button big blue \"><span class=\"fa fa-file-pdf-o\" aria-hidden=\"true\"><\/span> Lire le rapport<\/a>\n","protected":false},"excerpt":{"rendered":"<p>Laure Wiest, ISA Ce travail a consist\u00e9 \u00e0 d\u00e9velopper une m\u00e9thode novatrice d&rsquo;analyse discriminante, sensible et fiable, bas\u00e9e sur le couplage \u00ab\u00a0extraction sur phase solide\u00a0\u00bb (SPE \/ QuEChERS) suivie de l&rsquo;analyse par chromatographie liquide coupl\u00e9e \u00e0 la spectrom\u00e9trie de masse &hellip;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"footnotes":""},"categories":[34,54,29],"tags":[995,964,595,481,1569,1600,1570,602],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.13 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c9valuation de la contamination des rejets urbains et des \u00e9tablissements de soin par les d\u00e9tergents et biocides | Graie<\/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:\/\/asso.graie.org\/portail\/evaluation-de-la-contamination-des-rejets-urbains-et-des-etablissements-de-soin-par-les-detergents-et-biocides\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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