{"id":3181,"date":"2019-12-03T00:00:00","date_gmt":"2019-12-03T00:00:00","guid":{"rendered":"https:\/\/new.ezask.cn\/news-information\/what-is-the-principle-of-vacuum-pressure-swing-adsorption-vpsa-oxygen-generation\/"},"modified":"2026-04-21T09:41:07","modified_gmt":"2026-04-21T09:41:07","slug":"what-is-the-principle-of-vacuum-pressure-swing-adsorption-vpsa-oxygen-generation","status":"publish","type":"post","link":"https:\/\/vpsatech.com\/fr\/news-information\/what-is-the-principle-of-vacuum-pressure-swing-adsorption-vpsa-oxygen-generation.html","title":{"rendered":"Quel est le principe de la production d'oxyg\u00e8ne par adsorption par pression altern\u00e9e sous vide (VPSA) ?"},"content":{"rendered":"<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/04\/20191203143324_48782.jpeg\" alt=\"\" title=\"\"><\/p>\n<p>La VPSA (adsorption par variation de pression sous vide) consiste \u00e0 s\u00e9parer l'oxyg\u00e8ne de l'air par d\u00e9compression sous vide pour la d\u00e9sorption.<\/p>\n<p><p>La production d'oxyg\u00e8ne par adsorption par variation de pression utilise l'air comme gaz d'alimentation qui est forc\u00e9 par un ventilateur \u00e0 passer sous pression \u00e0 travers le lit d'adsorbant. L'azote, le dioxyde de carbone et l'eau dans l'air sont adsorb\u00e9s par l'adsorbant, et les composants restants traversent l'absorbant pour obtenir un oxyg\u00e8ne plus riche. Ensuite, lorsque la pression est abaiss\u00e9e, l'azote, le dioxyde de carbone et l'eau adsorb\u00e9s sur l'adsorbant sont lib\u00e9r\u00e9s et l'adsorbant peut \u00eatre r\u00e9g\u00e9n\u00e9r\u00e9 de cette mani\u00e8re. Le processus r\u00e9ciproque constitue le principe de base de la production d'oxyg\u00e8ne par adsorption par variation de pression sous vide.<\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>La VPSA (adsorption par modulation de pression sous vide) consiste \u00e0 s\u00e9parer l'oxyg\u00e8ne de l'air par d\u00e9compression sous vide pour la d\u00e9sorption. La production d'oxyg\u00e8ne par adsorption par modulation de pression utilise l'air comme gaz d'alimentation, qui est forc\u00e9 par un ventilateur \u00e0 passer sous pression \u00e0 travers le lit d'adsorbant. L'azote, le dioxyde de carbone et l'eau pr\u00e9sents dans l'air sont adsorb\u00e9s par l'adsorbant,\u2026<\/p>","protected":false},"author":1,"featured_media":1885,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-3181","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":{"en-title":"","en-meta":"","en-content":"","es-title":"","es-meta":"","es-content":"","ru-title":"","ru-meta":"","ru-content":"","pt-title":"","pt-meta":"","pt-content":"","de-title":"","de-meta":"","de-content":"","th-title":"","th-meta":"","th-content":"","ja-title":"","ja-meta":"","ja-content":"","ko-title":"","ko-meta":"","ko-content":"","fr-title":"","fr-meta":"","fr-content":"","ar-title":"","ar-meta":"","ar-content":"","id-title":"","id-meta":"","id-content":""},"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}]},"featured_image_src_large":["https:\/\/vpsatech.com\/wp-content\/uploads\/2026\/04\/5de875f1bdd50.jpg",580,466,false],"author_info":{"display_name":"yiyunyingalex","author_link":"https:\/\/vpsatech.com\/fr\/author\/yiyunyingalex"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":194,"filter":"raw","cat_ID":1,"category_count":194,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/vpsatech.com\/fr\/wp-json\/wp\/v2\/posts\/3181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vpsatech.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vpsatech.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vpsatech.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vpsatech.com\/fr\/wp-json\/wp\/v2\/comments?post=3181"}],"version-history":[{"count":2,"href":"https:\/\/vpsatech.com\/fr\/wp-json\/wp\/v2\/posts\/3181\/revisions"}],"predecessor-version":[{"id":3539,"href":"https:\/\/vpsatech.com\/fr\/wp-json\/wp\/v2\/posts\/3181\/revisions\/3539"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vpsatech.com\/fr\/wp-json\/wp\/v2\/media\/1885"}],"wp:attachment":[{"href":"https:\/\/vpsatech.com\/fr\/wp-json\/wp\/v2\/media?parent=3181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vpsatech.com\/fr\/wp-json\/wp\/v2\/categories?post=3181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vpsatech.com\/fr\/wp-json\/wp\/v2\/tags?post=3181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}