{"id":4439,"date":"2023-12-27T14:51:45","date_gmt":"2023-12-27T06:51:45","guid":{"rendered":"https:\/\/www.laiko.net\/?p=4439"},"modified":"2023-12-28T18:02:36","modified_gmt":"2023-12-28T10:02:36","slug":"4439-2","status":"publish","type":"post","link":"https:\/\/www.laiko.net\/fr\/4439-2\/","title":{"rendered":"Colonne de distillation"},"content":{"rendered":"<p>Le mat\u00e9riau de garnissage peut \u00eatre utilis\u00e9 \u00e0 la place des plateaux pour am\u00e9liorer la s\u00e9paration dans les colonnes de distillation. Le garnissage offre l'avantage d'une chute de pression plus faible \u00e0 travers la colonne (par rapport aux plaques ou aux plateaux), ce qui est b\u00e9n\u00e9fique lors d'un fonctionnement sous vide.<\/p>\n\n\n\n<p>Le garnissage al\u00e9atoire d'une colonne est la pratique consistant \u00e0 garnir une colonne de distillation de mat\u00e9riaux filtrants dispos\u00e9s de mani\u00e8re al\u00e9atoire afin d'optimiser la surface sur laquelle les r\u00e9actifs peuvent interagir tout en minimisant la complexit\u00e9 de la construction de ces colonnes. Le garnissage al\u00e9atoire des colonnes est une alternative au garnissage structur\u00e9 des colonnes.<\/p>\n\n\n\n<p>Les colonnes \u00e0 garnissage sont utilis\u00e9es pour la distillation, l'absorption de gaz et l'extraction liquide-liquide. Le contact gaz-liquide dans une colonne \u00e0 garnissage est continu, et non par \u00e9tapes, comme dans une colonne \u00e0 plateaux. Le liquide s'\u00e9coule vers le bas de la colonne sur une surface de garnissage et la vapeur (ou le gaz) se d\u00e9place \u00e0 contre-courant, vers le haut de la colonne.<\/p>","protected":false},"excerpt":{"rendered":"<p>Packing material can be used instead of trays to improve separation in distillation columns. Packing offers the advantage of a lower pressure drop across the column (when compared to plates or trays), which is beneficial while operating under vacuum. Random column packing is the practice of packing a distillation column with randomly fitting filtration material [&hellip;]<\/p>","protected":false},"author":1,"featured_media":3584,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_joinchat":[],"footnotes":""},"categories":[211],"tags":[],"class_list":["post-4439","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-of-tower-packing"],"blocksy_meta":"","featured_image_urls":{"full":["https:\/\/www.laiko.net\/wp-content\/uploads\/2023\/10\/\u6b63\u65b9\u5f62.jpg",251,251,false],"thumbnail":["https:\/\/www.laiko.net\/wp-content\/uploads\/2023\/10\/\u6b63\u65b9\u5f62-150x150.jpg",150,150,true],"medium":["https:\/\/www.laiko.net\/wp-content\/uploads\/2023\/10\/\u6b63\u65b9\u5f62.jpg",251,251,false],"medium_large":["https:\/\/www.laiko.net\/wp-content\/uploads\/2023\/10\/\u6b63\u65b9\u5f62.jpg",251,251,false],"large":["https:\/\/www.laiko.net\/wp-content\/uploads\/2023\/10\/\u6b63\u65b9\u5f62.jpg",251,251,false],"1536x1536":["https:\/\/www.laiko.net\/wp-content\/uploads\/2023\/10\/\u6b63\u65b9\u5f62.jpg",251,251,false],"2048x2048":["https:\/\/www.laiko.net\/wp-content\/uploads\/2023\/10\/\u6b63\u65b9\u5f62.jpg",251,251,false],"trp-custom-language-flag":["https:\/\/www.laiko.net\/wp-content\/uploads\/2023\/10\/\u6b63\u65b9\u5f62.jpg",12,12,false],"woocommerce_thumbnail":["https:\/\/www.laiko.net\/wp-content\/uploads\/2023\/10\/\u6b63\u65b9\u5f62.jpg",251,251,false],"woocommerce_single":["https:\/\/www.laiko.net\/wp-content\/uploads\/2023\/10\/\u6b63\u65b9\u5f62.jpg",251,251,false],"woocommerce_gallery_thumbnail":["https:\/\/www.laiko.net\/wp-content\/uploads\/2023\/10\/\u6b63\u65b9\u5f62-100x100.jpg",100,100,true]},"post_excerpt_stackable":"<p>Packing material can be used instead of trays to improve separation in distillation columns. Packing offers the advantage of a lower pressure drop across the column (when compared to plates or trays), which is beneficial while operating under vacuum. Random column packing is the practice of packing a distillation column with randomly fitting filtration material in order to optimize surface area over which reactants can interact while minimizing the complexity of the construction of such columns. Random column packing is an alternative to structured column packing. Packed columns are used for distillation, gas absorption and liquid-liquid extraction. The gas-liquid contact\u2026<\/p>\n","category_list":"<a href=\"https:\/\/www.laiko.net\/fr\/category\/application-de-la-garniture-de-tour\/\" rel=\"category tag\">Application Of Tower Packing<\/a>","author_info":{"name":"adminn","url":"https:\/\/www.laiko.net\/fr\/author\/adminn\/"},"comments_num":"0 commentaire","_links":{"self":[{"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/posts\/4439","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/comments?post=4439"}],"version-history":[{"count":2,"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/posts\/4439\/revisions"}],"predecessor-version":[{"id":4446,"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/posts\/4439\/revisions\/4446"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/media\/3584"}],"wp:attachment":[{"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/media?parent=4439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/categories?post=4439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/tags?post=4439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}