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{\n\tessapi_13 = jQuery(\"#esg-grid-13-1\").tpessential({\n        gridID:13,\n        layout:\"even\",\n        forceFullWidth:\"off\",\n        lazyLoad:\"on\",\n        lazyLoadColor:\"#FFFFFF\",\n        row:99,\n        loadMoreAjaxToken:\"0c304a3ccd\",\n        loadMoreAjaxUrl:\"https:\/\/lama.es\/wp-admin\/admin-ajax.php\",\n        loadMoreAjaxAction:\"Essential_Grid_Front_request_ajax\",\n        ajaxContentTarget:\"ess-grid-ajax-container-\",\n        ajaxScrollToOffset:\"0\",\n        ajaxCloseButton:\"off\",\n        ajaxContentSliding:\"on\",\n        ajaxScrollToOnLoad:\"on\",\n        ajaxCallbackArgument:\"off\",\n        ajaxNavButton:\"off\",\n        ajaxCloseType:\"type1\",\n        ajaxCloseInner:\"false\",\n        ajaxCloseStyle:\"light\",\n        ajaxClosePosition:\"tr\",\n        space:10,\n        pageAnimation:\"fade\",\n        paginationScrollToTop:\"off\",\n        spinner:\"spinner0\",\n        evenGridMasonrySkinPusher:\"off\",\n        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width=\u00a0\u00bb1\/2&Prime;][vc_column_text]La filtration sur sable se produit par la r\u00e9tention physique des impuret\u00e9s dans les vides form\u00e9s entre les grains de sable utilis\u00e9s, au travers de toute la couche filtrante. Il s&rsquo;agit d&rsquo;une filtration en profondeur, caract\u00e9ristique qui la rend la plus efficace de tous les syst\u00e8mes. Elle traite des eaux tr\u00e8s contamin\u00e9es.<\/p>\n<p>&nbsp;<\/p>\n<p>Le sable est en mesure d&rsquo;\u00e9liminer les solides de petite taille, aussi bien organiques qu&rsquo;inorganiques, gr\u00e2ce \u00e0 l&rsquo;effet des forces \u00e9lectriques issues du frottement des impuret\u00e9s lorsque l&rsquo;eau traverse le lit filtrant.<\/p>\n<p>L&rsquo;eau doit forc\u00e9ment circuler \u00e1 faible vitesse, sans quoi des canaux de passage pr\u00e9f\u00e9rentiels se formeraient et emp\u00eacheraient la filtration.<\/p>\n<p>&nbsp;<\/p>\n<p>Le syst\u00e8me produit un minimum de perte de charge gr\u00e2ce aux bras collecteurs ou aux cr\u00e9pines situ\u00e9s \u00e0 la sortie de l&rsquo;eau filtr\u00e9e. Ceux-ci occupent toute la surface du lit, cr\u00e9ant ainsi une circulation uniforme de l&rsquo;eau.<\/p>\n<p>&nbsp;<\/p>\n<p>Lorsqu&rsquo;il y existe une quantit\u00e9 consid\u00e9rable de substances collo\u00efdales ou de pr\u00e9cipit\u00e9s salins, on a recours \u00e0 la floculation dans le but de rassembler les particules et de faciliter leur r\u00e9tention dans la couche granulaire. De cette mani\u00e8re, les particules fines ne parviendront pas \u00e0 traverser le lit filtrant. La floculation est r\u00e9alis\u00e9e \u00e0 l&rsquo;aide de substances chimiques appel\u00e9es \u00ab\u00a0poly\u00e9lectrolytes\u00a0\u00bb.<\/p>\n<p>&nbsp;<\/p>\n<p>La filtration se fait vers le bas. Au fur et \u00e0 mesure que les impuret\u00e9s s\u2019accumulent, la diff\u00e9rence de pression relative \u00e0 la zone \u00ab en amont \u00bb du lit de filtration augmente par rapport \u00e0 la zone \u00ab en aval \u00bb. Une fois que le diff\u00e9rentiel de pression d\u00e9fini a \u00e9t\u00e9 atteint, le filtre se nettoie. Dans le cadre de ce processus de nettoyage, la <a href=\"https:\/\/lama.es\/fr\/vannes-irrigation\/\">vanne Globo Lama<\/a> est disponible en deux mod\u00e8les, \u00e0 savoir en m\u00e9tal et en plastique.<\/p>\n<p>&nbsp;<\/p>\n<p>Les \u00e9l\u00e9ments en acier au carbone sont trait\u00e9s \u00e0 l&rsquo;aide de la nanotechnologie, qui consiste \u00e0 r\u00e9pandre des mol\u00e9cules sur la surface avec une \u00e9paisseur tr\u00e8s fine par rapport \u00e0 d&rsquo;autres applications sur le march\u00e9. Le d\u00e9p\u00f4t d&rsquo;une couche de double conversion sur la surface de l&rsquo;acier prot\u00e8ge contre la corrosion. Il en r\u00e9sulte une adh\u00e9sion uniforme et propre des particules de peinture qui sont appliqu\u00e9es imm\u00e9diatement apr\u00e8s.[\/vc_column_text][\/vc_column][\/vc_row][vc_row css_animation=\u00a0\u00bb\u00a0\u00bb row_type=\u00a0\u00bbrow\u00a0\u00bb use_row_as_full_screen_section=\u00a0\u00bbno\u00a0\u00bb type=\u00a0\u00bbfull_width\u00a0\u00bb angled_section=\u00a0\u00bbno\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb background_image_as_pattern=\u00a0\u00bbwithout_pattern\u00a0\u00bb][vc_column][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row css_animation=\u00a0\u00bb\u00a0\u00bb row_type=\u00a0\u00bbrow\u00a0\u00bb use_row_as_full_screen_section=\u00a0\u00bbno\u00a0\u00bb type=\u00a0\u00bbfull_width\u00a0\u00bb angled_section=\u00a0\u00bbno\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb background_image_as_pattern=\u00a0\u00bbwithout_pattern\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/2&Prime;][vc_column_text][\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2&Prime;][vc_column_text]La filtration sur sable se produit par la r\u00e9tention physique des impuret\u00e9s dans les vides form\u00e9s entre les grains de sable utilis\u00e9s, au travers de toute la couche filtrante. Il s&rsquo;agit d&rsquo;une filtration en profondeur, caract\u00e9ristique&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1992","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Filtres \u00e0 sable d&#039;irrigation | Lama<\/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:\/\/lama.es\/fr\/filtres-a-sable-irrigation\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Filtres \u00e0 sable d&#039;irrigation | Lama\" \/>\n<meta property=\"og:description\" content=\"[vc_row css_animation=\u00a0\u00bb\u00a0\u00bb row_type=\u00a0\u00bbrow\u00a0\u00bb use_row_as_full_screen_section=\u00a0\u00bbno\u00a0\u00bb type=\u00a0\u00bbfull_width\u00a0\u00bb angled_section=\u00a0\u00bbno\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb background_image_as_pattern=\u00a0\u00bbwithout_pattern\u00a0\u00bb][vc_column width=\u00a0\u00bb1\/2&Prime;][vc_column_text][\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2&Prime;][vc_column_text]La filtration sur sable se produit par la r\u00e9tention physique des impuret\u00e9s dans les vides form\u00e9s entre les grains de sable utilis\u00e9s, au travers de toute la couche filtrante. 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