{"id":10938,"date":"2020-11-30T07:36:36","date_gmt":"2020-11-30T12:36:36","guid":{"rendered":"https:\/\/www.duboischemicals.com\/\/water-treatment\/products\/closed-loop-treatment\/"},"modified":"2021-02-03T08:36:10","modified_gmt":"2021-02-03T13:36:10","slug":"closed-loop-treatment","status":"publish","type":"page","link":"https:\/\/www.duboischemicals.com\/water-treatment\/fr\/products\/closed-loop-treatment\/","title":{"rendered":"Traitement en boucle ferm\u00e9e"},"content":{"rendered":"<p>Les syst\u00e8mes en boucle ferm\u00e9e sont utilis\u00e9s pour chauffer et refroidir les syst\u00e8mes de CVC, commerciaux et industriels en faisant recirculer la m\u00eame eau encore et encore. Il existe une grande vari\u00e9t\u00e9 de types de syst\u00e8mes, mais la configuration op\u00e9rationnelle qu&rsquo;ils ont g\u00e9n\u00e9ralement en commun est l&rsquo;isolation de la source de chauffage ou de refroidissement par un \u00e9changeur de chaleur secondaire (g\u00e9n\u00e9ralement une chaudi\u00e8re, une tour de refroidissement ou un refroidisseur de l&rsquo;autre c\u00f4t\u00e9 de l&rsquo;\u00e9changeur de chaleur).<\/p>\n<p>Les syst\u00e8mes en boucle ferm\u00e9e sont les plus \u00e9tanches, avec un minimum de pertes d&rsquo;eau et de maquillage, et sont souvent pressuris\u00e9s. Cependant, les syst\u00e8mes \u00e0 puisard ouvert ou \u00e0 fortes pertes d&rsquo;eau sont tr\u00e8s courants dans certaines industries, comme le moulage par injection de plastique. Des produits sp\u00e9cialis\u00e9s sont n\u00e9cessaires pour contr\u00f4ler la corrosion, l&rsquo;entartrage et l&rsquo;encrassement biologique dans la diversit\u00e9 des syst\u00e8mes en boucle ferm\u00e9e et des qualit\u00e9s de l&rsquo;eau d&rsquo;appoint.<\/p>\n<p>DuBois propose une gamme compl\u00e8te de produits pour traiter efficacement une grande vari\u00e9t\u00e9 de syst\u00e8mes en boucle ferm\u00e9e\u00a0:<\/p>\n<ul>\n<li>Produits traditionnels \u00e0 base de nitrites pour les syst\u00e8mes de chauffage et de refroidissement \u00e0 fermeture herm\u00e9tique<\/li>\n<li>Traitements sp\u00e9cialis\u00e9s, sans nitrites, pour les syst\u00e8mes \u00e0 bassins ouverts ou \u00e0 haut niveau d\u2019apport d\u2019appoint<\/li>\n<li>Produits \u00e0 faible conductivit\u00e9 pour les syst\u00e8mes \u00e0 haute \u00e9nergie et autres boucles ferm\u00e9es avec des limitations strictes sur la chimie de l&rsquo;eau<br \/>\n\u200b<\/li>\n<li>Fluides \u00e0 base de glycol pour les syst\u00e8mes o\u00f9 la protection contre le gel ou l&rsquo;\u00e9l\u00e9vation du point d&rsquo;\u00e9bullition sont n\u00e9cessaires<\/li>\n<li>Produits sp\u00e9cialis\u00e9s pour prot\u00e9ger les syst\u00e8mes pr\u00e9sentant des m\u00e9tallurgies vuln\u00e9rables comme l&rsquo;aluminium<\/li>\n<li>Produits approuv\u00e9s par la NSF et certifi\u00e9s GRAS (reconnus comme s\u00e9curitaires) pour les usines alimentaires en boucle ferm\u00e9e lorsqu&rsquo;il existe un risque de contact alimentaire accidentel<\/li>\n<li>Des agents de biocontr\u00f4le sup\u00e9rieurs pour les syst\u00e8mes ferm\u00e9s bio-actifs<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Les syst\u00e8mes en boucle ferm\u00e9e sont utilis\u00e9s pour chauffer et refroidir les syst\u00e8mes de CVC, commerciaux et industriels en faisant recirculer la m\u00eame eau encore et encore. Il existe une grande vari\u00e9t\u00e9 de types de&#8230;<\/p>\n","protected":false},"author":220,"featured_media":0,"parent":10899,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"template-prodinfo.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-10938","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Traitement en boucle ferm\u00e9e - Traitement des eaux<\/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:\/\/www.duboischemicals.com\/water-treatment\/fr\/products\/closed-loop-treatment\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Traitement en boucle ferm\u00e9e - Traitement des eaux\" \/>\n<meta property=\"og:description\" content=\"Les syst\u00e8mes en boucle ferm\u00e9e sont utilis\u00e9s pour chauffer et refroidir les syst\u00e8mes de CVC, commerciaux et industriels en faisant recirculer la m\u00eame eau encore et encore. 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