{"id":1595,"date":"2024-08-25T18:05:00","date_gmt":"2024-08-25T16:05:00","guid":{"rendered":"https:\/\/antoine-escola.fr\/?p=1595"},"modified":"2025-09-28T12:18:34","modified_gmt":"2025-09-28T10:18:34","slug":"distillation","status":"publish","type":"post","link":"https:\/\/antoine-escola.fr\/index.php\/2024\/08\/25\/distillation\/","title":{"rendered":"R\u00e9aliser une distillation"},"content":{"rendered":"\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Les compos\u00e9s liquides peuvent \u00eatre, la plupart du temps, purifi\u00e9s par distillation. Les liquides les plus volatils seront purifi\u00e9s par distillation \u00e0 pression atmosph\u00e9rique tandis que les liquides les moins volatils pourront \u00eatre distill\u00e9s \u00e0 pression r\u00e9duite.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Cas de la distillation simple<\/strong><\/p>\n\n\n\n<p>Il s&rsquo;agit d&rsquo;un montage sans colonne de Vigreux.<\/p>\n\n\n\n<p><em>Remarque : un \u00e9vaporateur rotatif est un appareil de distillation simple.<\/em><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Vid\u00e9o explicative : distillation simple<\/strong><\/p>\n\n\n\n<p><em>En cours de cr\u00e9ation !<\/em><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Cas de la distillation fractionn\u00e9e<\/strong><\/p>\n\n\n\n<p>On utilise une colonne de Vigreux.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Vid\u00e9o explicative : distillation fractionn\u00e9e \u00e0 pression atmosph\u00e9rique<\/strong><\/p>\n\n\n\n<p><em>En cours de cr\u00e9ation !<\/em><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Cas de la distillation sous pression r\u00e9duite<\/strong><\/p>\n\n\n\n<p>Le montage de distillation est raccord\u00e9 \u00e0 une pompe \u00e0 vide.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Vid\u00e9o explicative : distillation fractionn\u00e9e sous pression r\u00e9duite<\/strong><\/p>\n\n\n\n<p><em>En cours de cr\u00e9ation !<\/em><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Cas de l&rsquo;hydrodistillation (entra\u00eenement \u00e0 la vapeur<\/strong>)<\/p>\n\n\n\n<p>Il s\u2019agit d\u2019une distillation simple (sans colonne de distillation) en pr\u00e9sence d\u2019eau (ajout\u00e9e initialement dans le bouilleur ou introduite par un autre ballon). L\u2019eau est la plupart du temps non-miscible avec les compos\u00e9s organiques et forme des m\u00e9langes h\u00e9t\u00e9roaz\u00e9otropiques. La vapeur \u00e9mise lors de la distillation est de composition h\u00e9t\u00e9roaz\u00e9otropique&nbsp;et le refroidissement du gaz \u00e0 l\u2019issue de la distillation conduit aux deux liquides non-miscibles par simple d\u00e9cantation.<\/p>\n\n\n\n<p>Cette m\u00e9thode n\u2019est int\u00e9ressante que pour des syst\u00e8mes \u00e0 plus de deux constituants. Elle est d\u2019ailleurs utilis\u00e9e pour extraire les mol\u00e9cules odorantes (huiles essentielles) de l\u2019\u00e9corce d\u2019orange.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Vid\u00e9o explicative : hydrodistillation<\/strong><\/p>\n\n\n\n<p><em>En cours de cr\u00e9ation !<\/em><\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"403\" height=\"141\" src=\"https:\/\/antoine-escola.fr\/wp-content\/uploads\/2023\/01\/image.png\" alt=\"\" class=\"wp-image-120\" style=\"width:94px;height:33px\" srcset=\"https:\/\/antoine-escola.fr\/wp-content\/uploads\/2023\/01\/image.png 403w, https:\/\/antoine-escola.fr\/wp-content\/uploads\/2023\/01\/image-300x105.png 300w\" sizes=\"auto, (max-width: 403px) 100vw, 403px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center\">Cet article est mis \u00e0 disposition selon les termes de la <a href=\"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/\" target=\"_blank\" rel=\"noreferrer noopener\">Licence Creative Commons Attribution &#8211; Pas d&rsquo;Utilisation Commerciale &#8211; Pas de Modification 4.0 International<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les compos\u00e9s liquides peuvent \u00eatre, la plupart du temps, purifi\u00e9s par distillation. Les liquides les plus volatils seront purifi\u00e9s par distillation \u00e0 pression atmosph\u00e9rique tandis que les liquides les moins volatils pourront \u00eatre distill\u00e9s \u00e0 pression r\u00e9duite. Cas de la distillation simple Il s&rsquo;agit d&rsquo;un montage sans colonne de Vigreux. Remarque : un \u00e9vaporateur rotatif [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-1595","post","type-post","status-publish","format-standard","hentry","category-manipulation"],"_links":{"self":[{"href":"https:\/\/antoine-escola.fr\/index.php\/wp-json\/wp\/v2\/posts\/1595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/antoine-escola.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/antoine-escola.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/antoine-escola.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/antoine-escola.fr\/index.php\/wp-json\/wp\/v2\/comments?post=1595"}],"version-history":[{"count":5,"href":"https:\/\/antoine-escola.fr\/index.php\/wp-json\/wp\/v2\/posts\/1595\/revisions"}],"predecessor-version":[{"id":2073,"href":"https:\/\/antoine-escola.fr\/index.php\/wp-json\/wp\/v2\/posts\/1595\/revisions\/2073"}],"wp:attachment":[{"href":"https:\/\/antoine-escola.fr\/index.php\/wp-json\/wp\/v2\/media?parent=1595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/antoine-escola.fr\/index.php\/wp-json\/wp\/v2\/categories?post=1595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/antoine-escola.fr\/index.php\/wp-json\/wp\/v2\/tags?post=1595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}