{"id":3052,"date":"2022-05-03T23:26:59","date_gmt":"2022-05-03T23:26:59","guid":{"rendered":"https:\/\/clearwaterind.com\/water-tight-washing\/"},"modified":"2022-09-28T21:29:56","modified_gmt":"2022-09-28T21:29:56","slug":"lavage-etanche","status":"publish","type":"post","link":"https:\/\/clearwaterind.com\/fr\/lavage-etanche\/","title":{"rendered":"Lavage \u00c9tanche"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1144px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p><span style=\"font-weight: 400;\">L&rsquo;efficacit\u00e9 d&rsquo;une installation de lavage portable d\u00e9pend de la gestion de ses ressources en eau et, en cas de manque d&rsquo;eau, la production peut souvent \u00eatre interrompue. \u00ab\u2009Si vous n&rsquo;avez pas d&rsquo;eau, vous ne pourrez pas faire le travail\u2009\u00bb, d\u00e9clare Larry Peak, propri\u00e9taire de la soci\u00e9t\u00e9 Peak Sand &amp; Gravel, Inc. bas\u00e9e \u00e0 Sandpoint, dans l&rsquo;Idaho, qui poss\u00e8de trois usines mobiles et un site fixe. L&rsquo;entreprise est constamment en mouvement, travaillant sur sept sites locaux et r\u00e9alisant des projets de broyage et de lavage sur mesure pour des clients situ\u00e9s dans la r\u00e9gion de l&rsquo;Idaho et au-del\u00e0 de ses fronti\u00e8res, dans le Montana et l&rsquo;\u00c9tat de Washington.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Au cours des ann\u00e9es pr\u00e9c\u00e9dentes, ses projets de lavage portable avaient \u00e9t\u00e9 limit\u00e9s par la disponibilit\u00e9 de l&rsquo;eau sur certains sites. \u00ab\u2009Nous devions programmer la plupart de nos travaux au printemps, car c&rsquo;est \u00e0 ce moment-l\u00e0 que le niveau de la nappe phr\u00e9atique \u00e9tait le plus \u00e9lev\u00e9, mais nous finissions toujours par manquer d&rsquo;eau et, en juin, nous devions nous arr\u00eater car nous n&rsquo;avions m\u00eame pas assez d&rsquo;eau de recharge pour remplir un puits\u2009\u00bb, explique M. Peak. \u00ab\u00a0Parfois, nous prenions m\u00eame l&rsquo;eau du puits, la mettions dans le bassin l&rsquo;aspirions et la faisions passer dans l&rsquo;usine. Ensuite, nous faisions passer l&rsquo;eau sale dans des r\u00e9servoirs de\u00a0boue, nous pompions la boue et nous remettions l&rsquo;eau propre dans le bassin. Nous consommions pr\u00e8s de 300 gallons par minute d&rsquo;eau d&rsquo;appoint en continu \u00bb, ajoute-t-il.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Lors de\u00a0l&rsquo;attribution d&rsquo;un projet de lavage portable de 100 000 tonnes \u00e0 Haugen, Montana, Peak a d\u00e9cid\u00e9 de mettre \u00e0 niveau ses processus avec l&rsquo;achat d&rsquo;un clarificateur d&rsquo;eau portable \u00e0 circuit ferm\u00e9 fabriqu\u00e9 par Clearwater Industries. \u00ab\u00a0Le nouveau clarificateur nous permet de recycler et\u00a0de r\u00e9utiliser l&rsquo;eau, tout en r\u00e9duisant au minimum notre eau d&rsquo;appoint. Cela nous ouvre de nombreuses nouvelles possibilit\u00e9s &#8211; des sites o\u00f9 il y a peu ou pas d&rsquo;eau et pas de place pour un bassin de d\u00e9cantation\u2009\u00bb, explique Peak qui a travaill\u00e9 en \u00e9troite collaboration avec Bob Gralton, pr\u00e9sident de Clearwater Industries, pour cr\u00e9er une solution personnalis\u00e9e. <\/span><\/p>\n<p><img decoding=\"async\" class=\"lazyload aligncenter size-full wp-image-1286\" src=\"https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2.jpg\" data-orig-src=\"https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2.jpg\" alt=\"\" width=\"1936\" height=\"1288\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271936%27%20height%3D%271288%27%20viewBox%3D%270%200%201936%201288%27%3E%3Crect%20width%3D%271936%27%20height%3D%271288%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2-200x133.jpg 200w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2-300x200.jpg 300w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2-400x266.jpg 400w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2-600x399.jpg 600w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2-768x511.jpg 768w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2-800x532.jpg 800w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2-1024x681.jpg 1024w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2-1200x798.jpg 1200w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2-1536x1022.jpg 1536w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/04\/Portable-Clarifier-Protect-Valuable-Water-Resources-2.jpg 1936w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1936px) 100vw, 1936px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Gralton explique que les syst\u00e8mes traditionnels en circuit ferm\u00e9 n\u00e9cessitent g\u00e9n\u00e9ralement des bassins pour l&rsquo;\u00e9vacuation de l&rsquo;eau et pour l&rsquo;eau d&rsquo;alimentation de l&rsquo;usine. En revanche, l&rsquo;unit\u00e9 de Peak dispose d&rsquo;un r\u00e9servoir d&rsquo;eau propre plac\u00e9 directement sur le clarificateur. De ce r\u00e9servoir, l&rsquo;eau est pomp\u00e9e directement vers l&rsquo;installation de lavage. Ensuite, le clarificateur prend le flux d&rsquo;eau sale et produit imm\u00e9diatement de l&rsquo;eau propre, en concentrant les fines ou les solides \u00e0 un \u00e9tat \u00e9pais. L&rsquo;unit\u00e9 totalement autonome comprend un syst\u00e8me d&rsquo;alimentation en polym\u00e8re sec, un ensemble hydraulique, des panneaux de commande, une pompe de d\u00e9charge de boue et une pompe de retour d&rsquo;eau propre pour alimenter l&rsquo;installation de lavage. Gr\u00e2ce \u00e0 ce fonctionnement en circuit ferm\u00e9 tr\u00e8s \u00e9tanche, au moins 90 % de l&rsquo;eau est r\u00e9cup\u00e9r\u00e9e et, surtout, le besoin d&rsquo;un bassin est \u00e9limin\u00e9.\u00a0<\/span><\/p>\n<p class=\"p2\"><span style=\"color: #000000;\"><b><u>Surmonter les probl\u00e8mes de bassins et de traitement <\/u><\/b><\/span><\/p>\n<p><span style=\"font-weight: 400;\">Connaissant depuis longtemps les inconv\u00e9nients de l&rsquo;utilisation des bassins, M. Peak affirme que le lavage portable \u00e0 l&rsquo;ancienne a toujours n\u00e9cessit\u00e9 le transport par camion de grands volumes d&rsquo;eau. \u00ab\u00a0Vous remplissez les bassins et ensuite ils s&rsquo;\u00e9vaporent ou fuient dans le sol. Nous avons m\u00eame eu des bassins que nous avons b\u00e9tonn\u00e9s ou pav\u00e9s &#8211; et ils ont toujours fui. Avec le nouveau clarificateur, nous contournons compl\u00e8tement le bassin d&rsquo;eau propre\u00a0\u00bb, dit-il.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M. Peak souligne \u00e9galement qu&rsquo;auparavant, son installation de lavage \u00e9tait \u00e9quip\u00e9e de \u00ab\u2009r\u00e9servoirs \u00e0 boue\u2009\u00bb fabriqu\u00e9s \u00e0 partir d&rsquo;une usine de m\u00e9lange \u00e0 chaud. Ils \u00e9taient \u00e9quip\u00e9s de cha\u00eenes de tra\u00een\u00e9e qui raclaient p\u00e9riodiquement la boue qui se d\u00e9posait au fond des r\u00e9servoirs. \u00ab\u2009Les r\u00e9servoirs de boue fonctionnaient mais ils consommaient trop d&rsquo;eau, dont une grande partie s&rsquo;en allait avec la boue. Et, notre situation est la suivante : quelle quantit\u00e9 d&rsquo;eau avons-nous \u00e0 notre disposition, et quelle place avons-nous pour stocker la boue ? Avec le nouvel \u00e9quipement, nous pouvons \u00e9paissir les solides facilement, tout en faisant circuler et en recyclant l&rsquo;eau efficacement\u2009\u00bb, dit-il.<\/span><\/p>\n<p><img decoding=\"async\" class=\"lazyload aligncenter size-full wp-image-1340\" src=\"https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2.jpg\" data-orig-src=\"https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2.jpg\" alt=\"\" width=\"1936\" height=\"1288\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271936%27%20height%3D%271288%27%20viewBox%3D%270%200%201936%201288%27%3E%3Crect%20width%3D%271936%27%20height%3D%271288%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2-200x133.jpg 200w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2-300x200.jpg 300w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2-400x266.jpg 400w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2-600x399.jpg 600w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2-768x511.jpg 768w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2-800x532.jpg 800w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2-1024x681.jpg 1024w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2-1200x798.jpg 1200w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2-1536x1022.jpg 1536w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-2.jpg 1936w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1936px) 100vw, 1936px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">En ce qui concerne le flux des mat\u00e9riaux, Peak op\u00e8re le plus souvent avec une m\u00e2choire portable en position primaire, suivie de deux combinaisons de crible et de concasseur \u00e0 c\u00f4ne de 2,43\u00a0m (8\u00a0pi) x 6,09\u00a0m (20\u00a0pi) dans les circuits secondaires et tertiaires. Le mat\u00e9riau de 2,54\u00a0cm (1\u00a0po) de moins est achemin\u00e9 vers une installation de lavage de 1,82\u00a0m (6\u00a0pi) x 6,09\u00a0m) (20\u00a0pi), suivie de deux vis de 111,76\u00a0cm (44\u00a0po).\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">L&rsquo;eau douce est pomp\u00e9e vers l&rsquo;installation de lavage \u00e0 partir d&rsquo;un r\u00e9servoir d&rsquo;alimentation de 15 000 gallons stationn\u00e9 \u00e0 c\u00f4t\u00e9 du clarificateur. Apr\u00e8s le traitement de la mati\u00e8re, l&rsquo;eau sale est d\u00e9vers\u00e9e dans un puisard situ\u00e9 \u00e0 distance du clarificateur. De l\u00e0, l&rsquo;eau de d\u00e9charge est pomp\u00e9e dans un r\u00e9servoir de flocage au sommet du clarificateur o\u00f9 les polym\u00e8res sont ajout\u00e9s. Ensuite, le flux se s\u00e9pare en deux bassins de clarification ou chambres de floculation o\u00f9 les solides en suspension se d\u00e9posent dans les eaux us\u00e9es. Ensuite, l&rsquo;eau claire d\u00e9borde \u00e0 nouveau dans un r\u00e9servoir d&rsquo;eau propre, qui est mont\u00e9 sur le clarificateur. Ce r\u00e9servoir est \u00e9quip\u00e9 d&rsquo;un syst\u00e8me \u00ab\u00a0keep-full\u00a0\u00bb (garder plein). Si son flotteur baisse, de l&rsquo;eau est automatiquement ajout\u00e9e depuis le r\u00e9servoir d&rsquo;appoint pour maintenir le syst\u00e8me en \u00e9quilibre. La boue \u00e9paisse est pomp\u00e9e du fond des clarificateurs, g\u00e9n\u00e9ralement dans une zone excav\u00e9e pour le s\u00e9chage. \u00ab\u00a0Le plus important est que l&rsquo;unit\u00e9 produit une bonne boue plus s\u00e8che, ce qui permet de r\u00e9aliser d&rsquo;importantes \u00e9conomies d&rsquo;eau\u00a0\u00bb, explique M. Peak.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Toutes les pompes \u00e0 eau et \u00e0 boue du clarificateur fonctionnent \u00e0 vitesse variable. \u00ab\u2009C&rsquo;est une option que j&rsquo;ai demand\u00e9e et qui nous permet d&rsquo;ajuster nos param\u00e8tres. Dans une exploitation en circuit ferm\u00e9, il y a des fluctuations de la pression atmosph\u00e9rique, de la temp\u00e9rature de l&rsquo;eau, du niveau des bassins, etc. La fonction de vitesse variable nous permet donc d&rsquo;optimiser notre utilisation de l&rsquo;eau\u2009\u00bb, explique M. Peak.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Le clarificateur d&rsquo;eau portable Clearwater mod\u00e8le 2000, comme son nom l&rsquo;indique, a une capacit\u00e9 allant jusqu&rsquo;\u00e0 2 000 gallons par minute, \u00e0 20 % de solides par volume. Le syst\u00e8me est \u00e9quip\u00e9 d&rsquo;un syst\u00e8me de floculation automatis\u00e9, d&rsquo;un moteur de 40 CV et d&rsquo;une pompe \u00e0 boue \u00e0 commande hydraulique qui peut d\u00e9placer la boue jusqu&rsquo;\u00e0 244\u00a0m (800 pi). L&rsquo;installation de l&rsquo;unit\u00e9 ne prend g\u00e9n\u00e9ralement pas plus de trois heures, avec des caract\u00e9ristiques telles que des rampes d&rsquo;acc\u00e8s repliables qui simplifient le processus.<\/span><\/p>\n<p><img decoding=\"async\" class=\"lazyload aligncenter size-full wp-image-1342\" src=\"https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-scaled.jpg\" data-orig-src=\"https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-scaled.jpg\" alt=\"\" width=\"2560\" height=\"773\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%272560%27%20height%3D%27773%27%20viewBox%3D%270%200%202560%20773%27%3E%3Crect%20width%3D%272560%27%20height%3D%27773%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-200x60.jpg 200w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-300x91.jpg 300w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-400x121.jpg 400w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-600x181.jpg 600w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-768x232.jpg 768w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-800x241.jpg 800w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-1024x309.jpg 1024w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-1200x362.jpg 1200w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-1536x464.jpg 1536w, https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/05\/Water-Tight-Washing-3-scaled.jpg 2560w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<p class=\"p5\"><span style=\"color: #000000;\"><b><u>Choisir les bonnes solutions <\/u><\/b><\/span><\/p>\n<p><span style=\"font-weight: 400;\">Il est int\u00e9ressant de noter que la d\u00e9cision de Peak de choisir un clarificateur fabriqu\u00e9 par Clearwater Industries a \u00e9t\u00e9 fortement motiv\u00e9e par les solutions fournies par Gralton une dizaine d&rsquo;ann\u00e9es auparavant. \u00ab\u2009J&rsquo;utilisais un syst\u00e8me de clarification d&rsquo;un autre fabricant dans mon usine stationnaire et il ne fonctionnait pas bien. Entre autres choses, ils m&rsquo;avaient donn\u00e9 les mauvais polym\u00e8res. Puis Bob Gralton est arriv\u00e9 et a tout fait fonctionner pour moi. J&rsquo;ai fini par acheter l&rsquo;un de ses syst\u00e8mes de floculation automatis\u00e9s pour mon exploitation stationnaire, puis j&rsquo;ai r\u00e9cemment d\u00e9cid\u00e9 d&rsquo;opter pour son clarificateur pour mes installations portables\u2009\u00bb, explique M. Peak.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Gralton souligne que les floculants existent en diff\u00e9rents poids mol\u00e9culaires et charges. \u00ab\u2009Il est imp\u00e9ratif de trouver un fournisseur disposant des produits et des ressources n\u00e9cessaires pour s\u00e9lectionner le bon floculant afin de d\u00e9canter imm\u00e9diatement les solides dans l&rsquo;eau\u2009\u00bb, dit-il.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Peak serait d&rsquo;accord. \u00ab\u2009Je parie que notre eau d&rsquo;appoint n&rsquo;atteint pas plus de 90 gallons par minute &#8211; peut-\u00eatre m\u00eame moins. Depuis septembre 2007, nous travaillons en deux \u00e9quipes et c&rsquo;est l&rsquo;ann\u00e9e la plus s\u00e8che que nous ayons connue. Le fait de pouvoir recycler notre eau est vraiment tr\u00e8s important\u2009\u00bb, dit-il.<\/span><\/p>\n<\/div><div class=\"fusion-text fusion-text-2\" style=\"--awb-margin-top:10px;\"><p style=\"text-align: right;\"><em><span style=\"font-weight: 400;\">Comme vu dans le magazine Portable Plants &amp; Equipment.<br \/>\n<\/span><\/em><em><span style=\"font-weight: 400;\">\u00c9crit par\u00a0:<\/span> Carol Wasson<\/em><\/p>\n<\/div><div style=\"text-align:left;\"><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-1 fusion-button-default-span fusion-button-default-type\" style=\"--awb-margin-top:10px;\" target=\"_self\" href=\"https:\/\/clearwaterind.com\/wp-content\/uploads\/2022\/09\/Clarifier-Portable_Water-Tight-Washing_FR-CA.pdf\"><i class=\"fa-download fas awb-button__icon awb-button__icon--default button-icon-left\" aria-hidden=\"true\"><\/i><span class=\"fusion-button-text awb-button__text awb-button__text--default\">T\u00c9L\u00c9CHARGER L&rsquo;\u00c9TUDE DE CAS<\/span><\/a><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":2750,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[144,143],"tags":[82,84,77,88,83,140,141,81],"class_list":["post-3052","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-des-articles","category-etudes-de-cas-de-clarificateur-portables","tag-bassins-de-decantation","tag-clarificateur","tag-clarificateurs-deau","tag-clarification-fr","tag-durabilite","tag-flocculant-fr","tag-portable-clarifier-fr","tag-sedimentation-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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