{"id":2279,"date":"2023-10-19T13:24:07","date_gmt":"2023-10-19T05:24:07","guid":{"rendered":"http:\/\/www3.laiko.net\/all\/what-is-the-difference-between-zeolite-and-molecular-sieve\/"},"modified":"2023-10-19T13:26:58","modified_gmt":"2023-10-19T05:26:58","slug":"what-is-the-difference-between-zeolite-and-molecular-sieve","status":"publish","type":"post","link":"https:\/\/www.laiko.net\/fr\/quelle-est-la-difference-entre-la-zeolithe-et-le-tamis-moleculaire\/","title":{"rendered":"Quelle est la diff\u00e9rence entre la z\u00e9olithe et le tamis mol\u00e9culaire ?"},"content":{"rendered":"<div class=\"flexbox smcenter other_page richtext\">\n<div class=\"flex-right\">\n<h1>Quelle est la diff\u00e9rence entre la z\u00e9olithe et le tamis mol\u00e9culaire ?<\/h1>\n<p><\/p>\n<div class=\"inner_box\">\n<h2>\u2160. Que sont la z\u00e9olithe et le tamis mol\u00e9culaire ?<\/h2>\n<p>La z\u00e9olite est un min\u00e9ral aluminosilicate \u00e0 structure aqueuse, d\u00e9couvert pour la premi\u00e8re fois en 1756. Le min\u00e9ralogiste su\u00e9dois Cronstedt a d\u00e9couvert qu'il existe un type de minerai d'aluminosilicate naturel qui bout lorsqu'il est br\u00fbl\u00e9, et l'a nomm\u00e9 z\u00e9olite.<\/p>\n<p><\/p>\n<p>Le concept de tamis mol\u00e9culaire a \u00e9t\u00e9 propos\u00e9 par McBain en 1932. Il s'agit d'un mat\u00e9riau poreux capable de tamiser des substances au niveau mol\u00e9culaire.<\/p>\n<p><\/p>\n<p>En d'autres termes, la z\u00e9olithe est une d\u00e9finition bas\u00e9e sur les propri\u00e9t\u00e9s physiques et chimiques d'une substance, et le tamis mol\u00e9culaire est une d\u00e9finition bas\u00e9e sur la structure et la fonction du mat\u00e9riau. La z\u00e9olithe peut \u00eatre utilis\u00e9e comme tamis mol\u00e9culaire, m\u00eame le plus repr\u00e9sentatif des tamis mol\u00e9culaires, mais \u00e0 proprement parler, la z\u00e9olithe ne peut \u00eatre assimil\u00e9e aux tamis mol\u00e9culaires, bien qu'elle soit souvent confondue.<\/p>\n<p><\/p>\n<h2>\u2161. La diff\u00e9rence entre z\u00e9olithe et tamis mol\u00e9culaire<\/h2>\n<p>1. La composition chimique est diff\u00e9rente. La composition chimique principale est l'aluminosilicate de sodium, tandis que les tamis mol\u00e9culaires sont des silicates cristallins ou des aluminosilicates, qui sont form\u00e9s en reliant des t\u00e9tra\u00e8dres de silicium et d'oxyg\u00e8ne ou des t\u00e9tra\u00e8dres d'alumino\u00efdes et d'oxyg\u00e8ne par des ponts d'oxyg\u00e8ne.<\/p>\n<p><\/p>\n<p>2. Avec des caract\u00e9ristiques diff\u00e9rentes, la z\u00e9olithe a un \u00e9clat vitreux et peut r\u00e9absorber l'eau ou d'autres liquides. Les tamis mol\u00e9culaires pr\u00e9sentent les avantages d'une capacit\u00e9 d'adsorption \u00e9lev\u00e9e et d'une forte stabilit\u00e9 thermique que les autres adsorbants n'ont pas.<\/p>\n<p><\/p>\n<p>3. Le tamis mol\u00e9culaire est un cristal poudreux \u00e0 l'\u00e9clat m\u00e9tallique, d'une duret\u00e9 de 3 \u00e0 5 et d'une densit\u00e9 relative de 2 \u00e0 2,8. La z\u00e9olithe naturelle est color\u00e9e, la z\u00e9olithe synth\u00e9tique est blanche, insoluble dans l'eau, la stabilit\u00e9 thermique et la r\u00e9sistance aux acides augmentent avec l'augmentation de la teneur en SiO<sub>2<\/sub>\/Al<sub>2<\/sub>O<sub>3<\/sub> le rapport de composition.<\/p>\n<p><\/p>\n<p>La principale diff\u00e9rence entre la z\u00e9olithe et le tamis mol\u00e9culaire r\u00e9side dans leur utilisation. La z\u00e9olithe est g\u00e9n\u00e9ralement naturelle et ses pores ont des tailles diff\u00e9rentes. Tant qu'il y a de la cavitation, elle peut emp\u00eacher les chocs. Les fonctions des tamis mol\u00e9culaires sont beaucoup plus avanc\u00e9es, comme le filtrage des mol\u00e9cules, les catalyseurs, les catalyseurs \u00e0 lib\u00e9ration lente, etc., de sorte qu'il existe certaines exigences concernant la taille des pores et qu'ils sont souvent synth\u00e9tis\u00e9s artificiellement.<\/p>\n<\/p><\/div>\n<div class=\"pro_detail\"><\/div>\n<p><\/p>\n<p class=\"linkh2\">\n<p><\/p>\n<div class=\"more_art_list\"><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"other_page\"><\/div>","protected":false},"excerpt":{"rendered":"<p>What is the Difference Between Zeolite and Molecular Sieve? \u2160. What are zeolite and molecular sieve? Zeolite is an aluminosilicate mineral with a water framework structure and was first discovered in 1756. The Swedish mineralogist Cronstedt discovered that there is a type of natural aluminosilicate ore that boils when burned, and named it zeolite. The [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_joinchat":[],"footnotes":""},"categories":[1,54],"tags":[],"class_list":["post-2279","post","type-post","status-publish","format-standard","hentry","category-all","category-blog"],"blocksy_meta":"","featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":"","trp-custom-language-flag":"","woocommerce_thumbnail":"","woocommerce_single":"","woocommerce_gallery_thumbnail":""},"post_excerpt_stackable":"<p>What is the Difference Between Zeolite and Molecular Sieve? \u2160. What are zeolite and molecular sieve? Zeolite is an aluminosilicate mineral with a water framework structure and was first discovered in 1756. The Swedish mineralogist Cronstedt discovered that there is a type of natural aluminosilicate ore that boils when burned, and named it zeolite. The concept of molecular sieve was proposed by McBain in 1932, which means a porous material that can sieve substances at the molecular level. In other words, zeolite is a definition based on the physical and chemical properties of a substance, and molecular sieve is a\u2026<\/p>\n","category_list":"<a href=\"https:\/\/www.laiko.net\/fr\/category\/tous\/\" rel=\"category tag\">All<\/a>, <a href=\"https:\/\/www.laiko.net\/fr\/category\/blog\/\" rel=\"category tag\">Blog<\/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\/2279","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=2279"}],"version-history":[{"count":1,"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/posts\/2279\/revisions"}],"predecessor-version":[{"id":2425,"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/posts\/2279\/revisions\/2425"}],"wp:attachment":[{"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/media?parent=2279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/categories?post=2279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laiko.net\/fr\/wp-json\/wp\/v2\/tags?post=2279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}