{"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\/pt\/news-information\/what-is-the-principle-of-vacuum-pressure-swing-adsorption-vpsa-oxygen-generation.html","title":{"rendered":"Qual \u00e9 o princ\u00edpio da gera\u00e7\u00e3o de oxig\u00eanio por adsor\u00e7\u00e3o por oscila\u00e7\u00e3o de press\u00e3o a v\u00e1cuo (VPSA)?"},"content":{"rendered":"<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/04\/20191203143324_48782.jpeg\" alt=\"\" title=\"\"><\/p>\n<p>VPSA (adsor\u00e7\u00e3o por varia\u00e7\u00e3o de press\u00e3o a v\u00e1cuo) \u00e9 a separa\u00e7\u00e3o do oxig\u00eanio do ar por descompress\u00e3o a v\u00e1cuo para dessor\u00e7\u00e3o.<\/p>\n<p><p>A gera\u00e7\u00e3o de oxig\u00eanio por adsor\u00e7\u00e3o por varia\u00e7\u00e3o de press\u00e3o usa o ar como g\u00e1s de alimenta\u00e7\u00e3o, que \u00e9 for\u00e7ado por um soprador a passar sob press\u00e3o atrav\u00e9s do leito adsorvente. O nitrog\u00eanio, di\u00f3xido de carbono e \u00e1gua no ar s\u00e3o adsorvidos pelo adsorvente, e os componentes restantes passam atrav\u00e9s do absorvente para obter oxig\u00eanio mais rico. E ent\u00e3o, \u00e0 medida que a press\u00e3o \u00e9 reduzida, o nitrog\u00eanio, di\u00f3xido de carbono e \u00e1gua adsorvidos no adsorvente s\u00e3o liberados e o adsorvente pode ser regenerado desta forma. O processo rec\u00edproco constitui o princ\u00edpio b\u00e1sico da gera\u00e7\u00e3o de oxig\u00eanio por adsor\u00e7\u00e3o por varia\u00e7\u00e3o de press\u00e3o a v\u00e1cuo.<\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>A separa\u00e7\u00e3o de oxig\u00eanio por adsor\u00e7\u00e3o por oscila\u00e7\u00e3o de press\u00e3o a v\u00e1cuo (VPSA) separa o oxig\u00eanio do ar por meio de descompress\u00e3o a v\u00e1cuo para dessor\u00e7\u00e3o. A gera\u00e7\u00e3o de oxig\u00eanio por adsor\u00e7\u00e3o por oscila\u00e7\u00e3o de press\u00e3o utiliza ar como g\u00e1s de alimenta\u00e7\u00e3o, que \u00e9 for\u00e7ado por um soprador a passar sob press\u00e3o atrav\u00e9s do leito adsorvente. O nitrog\u00eanio, o di\u00f3xido de carbono e a \u00e1gua presentes no ar s\u00e3o adsorvidos pelo adsorvente,\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\/pt\/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\/pt\/wp-json\/wp\/v2\/posts\/3181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vpsatech.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vpsatech.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vpsatech.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vpsatech.com\/pt\/wp-json\/wp\/v2\/comments?post=3181"}],"version-history":[{"count":2,"href":"https:\/\/vpsatech.com\/pt\/wp-json\/wp\/v2\/posts\/3181\/revisions"}],"predecessor-version":[{"id":3539,"href":"https:\/\/vpsatech.com\/pt\/wp-json\/wp\/v2\/posts\/3181\/revisions\/3539"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vpsatech.com\/pt\/wp-json\/wp\/v2\/media\/1885"}],"wp:attachment":[{"href":"https:\/\/vpsatech.com\/pt\/wp-json\/wp\/v2\/media?parent=3181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vpsatech.com\/pt\/wp-json\/wp\/v2\/categories?post=3181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vpsatech.com\/pt\/wp-json\/wp\/v2\/tags?post=3181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}