{"id":44,"date":"2022-02-24T11:25:47","date_gmt":"2022-02-24T10:25:47","guid":{"rendered":"http:\/\/se2u.polsinelli.me\/?page_id=44"},"modified":"2022-10-19T11:10:16","modified_gmt":"2022-10-19T09:10:16","slug":"traitement-des-eaux-usees","status":"publish","type":"page","link":"https:\/\/se2u.polsinelli.me\/index.php\/traitement-des-eaux-usees\/","title":{"rendered":"Traitement des eaux us\u00e9es"},"content":{"rendered":"\n<h5 class=\"has-bright-blue-color has-text-color wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-bright-blue-color\">Pourquoi traiter les eaux <\/mark>us\u00e9es ?<\/h5>\n\n\n\n<p>Il faut traiter les eaux us\u00e9es pour pouvoir les rejeter dans des milieux naturels sans les polluer.<\/p>\n\n\n\n<h5 class=\"has-bright-blue-color has-text-color wp-block-heading\">Est-ce que<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-bright-blue-color\"> l&rsquo;on vise une qualit\u00e9 comparable \u00e0 l&rsquo;eau potable ?<\/mark><\/h5>\n\n\n\n<p>La qualit\u00e9 de traitement des eaux d&rsquo;une station va \u00eatre d\u00e9pendante du lieu de rejet. Les rejet dans des lieux tr\u00e8s sensibles comme les rivi\u00e8res vont n\u00e9cessiter une \u00e9puration tr\u00e8s pouss\u00e9e qui vise une qualit\u00e9 de l&rsquo;eau presque parfaite tandis que les rejets, qui sont collect\u00e9s dans des r\u00e9seaux communs puis sont dirig\u00e9s vers des stations municipales qui finiront le traitement. Dans cette situation le traitement initial n&rsquo;est pas beaucoup pouss\u00e9.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-bright-blue-color\">Diff\u00e9rentes \u00e9tapes :<\/mark><\/h5>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"http:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0684-4-1024x683.jpg\" alt=\"\" class=\"wp-image-326\" srcset=\"https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0684-4-1024x683.jpg 1024w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0684-4-300x200.jpg 300w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0684-4-768x512.jpg 768w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0684-4-1536x1024.jpg 1536w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0684-4-2048x1365.jpg 2048w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0684-4-360x240.jpg 360w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0684-4-600x400.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>                          <strong> 1 &#8211; D\u00e9grillage :<\/strong> \u00c9liminer les gros d\u00e9chets. <\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"http:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0691-1024x683.jpg\" alt=\"\" class=\"wp-image-325\" srcset=\"https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0691-1024x683.jpg 1024w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0691-300x200.jpg 300w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0691-768x512.jpg 768w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0691-1536x1024.jpg 1536w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0691-2048x1365.jpg 2048w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0691-360x240.jpg 360w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0691-600x400.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>                 <strong>2 &#8211; D\u00e9shuilage \/ dessablage :<\/strong> \u00c9liminer les mati\u00e8res grasses et les sables contenus dans l&rsquo;eau.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"http:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/Traitement-bio-1024x683.jpg\" alt=\"\" class=\"wp-image-329\" srcset=\"https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/Traitement-bio-1024x683.jpg 1024w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/Traitement-bio-300x200.jpg 300w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/Traitement-bio-768x512.jpg 768w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/Traitement-bio-1536x1024.jpg 1536w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/Traitement-bio-2048x1365.jpg 2048w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/Traitement-bio-360x240.jpg 360w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/Traitement-bio-600x400.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption><strong>3 &#8211; Traitement biologique :<\/strong> D\u00e9sint\u00e9gration des boues \u00e0 l&rsquo;aide de diff\u00e9rentes bact\u00e9ries.<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"http:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0731-1024x683.jpg\" alt=\"\" class=\"wp-image-328\" srcset=\"https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0731-1024x683.jpg 1024w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0731-300x200.jpg 300w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0731-768x512.jpg 768w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0731-1536x1024.jpg 1536w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0731-2048x1365.jpg 2048w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0731-360x240.jpg 360w, https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/04\/IMG_0731-600x400.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>                            <strong>4 &#8211; Clarification<\/strong> <strong>:<\/strong> S\u00e9paration des boues et de l&rsquo;eau clair par d\u00e9cantation.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>Quand ces \u00e9tapes seront finies et que les r\u00e9sultats seront conforme \u00e0 la r\u00e9glementation, nous pourrons rejeter l&rsquo;eau sinon il faudra la retraiter.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"La collecte et le traitement des eaux us\u00e9es | Veolia\" width=\"750\" height=\"422\" src=\"https:\/\/www.youtube.com\/embed\/YhaScVOW3GI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-bright-blue-color\">Description des \u00e9tapes :<\/mark><\/h5>\n\n\n\n<p>Les eaux us\u00e9es des habitants sont r\u00e9cup\u00e9r\u00e9es gr\u00e2ce \u00e0 des canalisations qui les emm\u00e8nent \u00e0 la station d\u2019\u00e9puration la plus proche. Ensuite, elles vont \u00eatre trait\u00e9es gr\u00e2ce \u00e0 plusieurs \u00e9tapes. L\u2019eau us\u00e9e arriv\u00e9e par les canalisations va passer par un <em><strong>d\u00e9grilleur<\/strong><\/em> pour \u00e9liminer les plus gros d\u00e9chets, ensuite dans un <strong><em>d\u00e9shuileur-dessableur<\/em><\/strong> pour s\u00e9parer les sables, les huiles et les graisses. L\u2019eau us\u00e9e va ensuite passer dans un <strong><em>d\u00e9canteur primaire<\/em><\/strong> pour enlever les particules fines, le <strong><em>traitement biologique<\/em><\/strong> qui d\u00e9grade la mati\u00e8re organique (les boues) avec des bact\u00e9ries, des compos\u00e9s azot\u00e9s et phosphor\u00e9s. Ensuite on effectue la clarification \u00e0 l&rsquo;aide du <strong><em>clarificateur<\/em><\/strong> qui s\u00e9pare les bact\u00e9ries de l\u2019eau. Avant de rejeter l\u2019eau au milieu naturel il faut regarder sa turbidit\u00e9, ses MES (Mati\u00e8res En Suspension) et son pH, si les r\u00e9sultats sont dans la r\u00e9glementation on peut la rejeter sinon il faut retraiter celle-ci ainsi que les mati\u00e8res organique et la boues.<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0);color:#ff0000\" class=\"has-inline-color\">Valeurs r\u00e9glementaires avant rejet dans le milieu naturel :<\/mark><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>MES \u2264 20 mg\/L<\/li><li>6.9 \u2264&nbsp;pH \u2264&nbsp;7.3<\/li><li>Turbidit\u00e9* \u2264 10 uTN<\/li><\/ul>\n\n\n\n<p><em>*On mesure la turbidit\u00e9 en unit\u00e9s de turbidit\u00e9<\/em> <em>n\u00e9phalom\u00e9triques (uTN). Elle peut s\u2019\u00e9chelonner de moins d\u2019une uTN \u00e0 plus<br>de 1 000 uTN. \u00c0 5 uTN, l\u2019eau est visiblement trouble; \u00e0 25<br>uTN, elle est noir\u00e2tre.<\/em><\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/03\/Traitement-de-leau.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Contenu embarqu\u00e9 Contenu embarqu\u00e9 Sch\u00e9ma de principe traitement des eaux us\u00e9es..\"><\/object><a id=\"wp-block-file--media-126f9a8a-693b-4f8c-8827-931861faa04e\" href=\"https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/03\/Traitement-de-leau.pdf\">Sch\u00e9ma de principe traitement des eaux us\u00e9es<\/a><a href=\"https:\/\/se2u.polsinelli.me\/wp-content\/uploads\/2022\/03\/Traitement-de-leau.pdf\" class=\"wp-block-file__button\" download aria-describedby=\"wp-block-file--media-126f9a8a-693b-4f8c-8827-931861faa04e\">T\u00e9l\u00e9charger<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pourquoi traiter les eaux us\u00e9es ? Il faut traiter les eaux us\u00e9es pour pouvoir les rejeter dans des milieux naturels sans les polluer. Est-ce que l&rsquo;on vise une qualit\u00e9 comparable \u00e0 l&rsquo;eau potable ? La qualit\u00e9 de traitement des eaux d&rsquo;une station va \u00eatre d\u00e9pendante du lieu de rejet. Les [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"qubely_global_settings":"","qubely_interactions":"","footnotes":""},"class_list":["post-44","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/se2u.polsinelli.me\/index.php\/wp-json\/wp\/v2\/pages\/44","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/se2u.polsinelli.me\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/se2u.polsinelli.me\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/se2u.polsinelli.me\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/se2u.polsinelli.me\/index.php\/wp-json\/wp\/v2\/comments?post=44"}],"version-history":[{"count":18,"href":"https:\/\/se2u.polsinelli.me\/index.php\/wp-json\/wp\/v2\/pages\/44\/revisions"}],"predecessor-version":[{"id":459,"href":"https:\/\/se2u.polsinelli.me\/index.php\/wp-json\/wp\/v2\/pages\/44\/revisions\/459"}],"wp:attachment":[{"href":"https:\/\/se2u.polsinelli.me\/index.php\/wp-json\/wp\/v2\/media?parent=44"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}