{"id":4108,"date":"2025-07-14T10:33:07","date_gmt":"2025-07-14T08:33:07","guid":{"rendered":"https:\/\/ingmark.com\/corporate\/fr\/?p=4108"},"modified":"2025-07-14T10:40:10","modified_gmt":"2025-07-14T08:40:10","slug":"nettoyage-chimique-preventif","status":"publish","type":"post","link":"https:\/\/ingmark.com\/corporate\/fr\/nettoyage-chimique-preventif\/","title":{"rendered":"NETTOYAGE CHIMIQUE PR\u00c9VENTIF"},"content":{"rendered":"<p>Les services nucl\u00e9aires de GDES effectuent le nettoyage chimique pr\u00e9ventif des GVS (NPGV)<\/p>\n<p>L&rsquo;objectif principal de ce projet est de formuler et de d\u00e9velopper un proc\u00e9d\u00e9 de nettoyage chimique qui r\u00e9duira significativement le niveau d\u2019encrassement et de colmatage g\u00e9n\u00e9r\u00e9 par la pr\u00e9sence de magn\u00e9tite dans les g\u00e9n\u00e9rateurs de vapeur des centrales nucl\u00e9aires \u00e0 eau pressuris\u00e9e.<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>P\u00e9riode qualification\u00a0: 2010 &#8211; 2013<\/li>\n<li>Premi\u00e8re intervention\u00a0: CNPE Dampierre 1 (2013)<\/li>\n<li>Derni\u00e8re intervention\u00a0: CNPE Dampierre 2 (2016)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Le proc\u00e9d\u00e9 de nettoyage chimique d\u00e9velopp\u00e9 par GDES est con\u00e7u pour dissoudre un minimum de 200 kg de d\u00e9p\u00f4ts du g\u00e9n\u00e9rateur de vapeur, avec un objectif de 500\u00a0kg et une corrosion maximale de 100\u00a0\u03bcm de l&rsquo;acier au carbone.<\/p>\n<p>Le proc\u00e9d\u00e9 PACCO consiste en un nettoyage chimique pr\u00e9ventif qui comprend deux \u00e9tapes\u00a0:<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>Phase de dissolution d&rsquo;oxydes d\u00e9pos\u00e9s (du type magn\u00e9tite)\u00a0: \u00ab\u00a0Phase acide\u00a0\u00bb.<\/li>\n<li>Phase d&rsquo;\u00e9limination du cuivre red\u00e9pos\u00e9 pendant la phase acide\u00a0: \u00ab\u00a0Phase de d\u00e9cuivrage\u00bb.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-4002 size-large\" src=\"https:\/\/ingmark.com\/corporate\/wp-content\/uploads\/sites\/3\/2025\/07\/GDES_LimpiezaQuimica-1024x574.jpg\" alt=\"GDES_Servicios_nucleares_limpiezas qu\u00edmicas\" width=\"1024\" height=\"574\" srcset=\"https:\/\/ingmark.com\/corporate\/wp-content\/uploads\/sites\/3\/2025\/07\/GDES_LimpiezaQuimica-1024x574.jpg 1024w, https:\/\/ingmark.com\/corporate\/wp-content\/uploads\/sites\/3\/2025\/07\/GDES_LimpiezaQuimica-300x168.jpg 300w, https:\/\/ingmark.com\/corporate\/wp-content\/uploads\/sites\/3\/2025\/07\/GDES_LimpiezaQuimica-768x431.jpg 768w, https:\/\/ingmark.com\/corporate\/wp-content\/uploads\/sites\/3\/2025\/07\/GDES_LimpiezaQuimica-1536x861.jpg 1536w, https:\/\/ingmark.com\/corporate\/wp-content\/uploads\/sites\/3\/2025\/07\/GDES_LimpiezaQuimica-2048x1149.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les services nucl\u00e9aires de GDES effectuent le nettoyage chimique pr\u00e9ventif des GVS (NPGV) L&rsquo;objectif principal de ce projet est de formuler et de d\u00e9velopper un proc\u00e9d\u00e9 de nettoyage chimique qui r\u00e9duira significativement le niveau d\u2019encrassement et de colmatage g\u00e9n\u00e9r\u00e9 par la pr\u00e9sence de magn\u00e9tite dans les g\u00e9n\u00e9rateurs de vapeur des centrales nucl\u00e9aires \u00e0 eau pressuris\u00e9e. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4112,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53,55,1],"tags":[],"class_list":["post-4108","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-proyectos-general","category-proyectos-servicios-nucleares","category-sin-categoria"],"_links":{"self":[{"href":"https:\/\/ingmark.com\/corporate\/fr\/wp-json\/wp\/v2\/posts\/4108","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ingmark.com\/corporate\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ingmark.com\/corporate\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ingmark.com\/corporate\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/ingmark.com\/corporate\/fr\/wp-json\/wp\/v2\/comments?post=4108"}],"version-history":[{"count":4,"href":"https:\/\/ingmark.com\/corporate\/fr\/wp-json\/wp\/v2\/posts\/4108\/revisions"}],"predecessor-version":[{"id":4113,"href":"https:\/\/ingmark.com\/corporate\/fr\/wp-json\/wp\/v2\/posts\/4108\/revisions\/4113"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ingmark.com\/corporate\/fr\/wp-json\/wp\/v2\/media\/4112"}],"wp:attachment":[{"href":"https:\/\/ingmark.com\/corporate\/fr\/wp-json\/wp\/v2\/media?parent=4108"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ingmark.com\/corporate\/fr\/wp-json\/wp\/v2\/categories?post=4108"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ingmark.com\/corporate\/fr\/wp-json\/wp\/v2\/tags?post=4108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}