{"id":3008,"date":"2025-09-25T07:17:12","date_gmt":"2025-09-25T07:17:12","guid":{"rendered":"https:\/\/cpxzx.com\/?post_type=product&#038;p=3008"},"modified":"2025-09-25T07:17:12","modified_gmt":"2025-09-25T07:17:12","slug":"setaccio-molecolare-3a","status":"publish","type":"product","link":"https:\/\/cpxzx.com\/it\/prodotto\/setaccio-molecolare-3a\/","title":{"rendered":"3A Setaccio molecolare"},"content":{"rendered":"<p><strong>Setaccio molecolare 3A<\/strong>, noto anche come setaccio molecolare a base di potassio, \u00e8 un adsorbente cristallino di alluminosilicato di metalli alcalini con micropori uniformi di circa 3 angstrom (0,3 nm).<br \/>\nViene prodotto scambiando parzialmente gli ioni sodio del setaccio molecolare 4A con ioni potassio. Grazie alla sua precisa distribuzione delle dimensioni dei pori, il setaccio molecolare 3A adsorbe selettivamente le molecole<br \/>\npi\u00f9 piccoli di 3 \u00c5 (in particolare l'acqua), mentre esclude le molecole pi\u00f9 grandi. Questa disidratazione selettiva lo rende ideale per le applicazioni di essiccazione in cui l'acqua deve essere rimossa senza adsorbire<br \/>\nidrocarburi o molecole organiche pi\u00f9 grandi.<\/p>\n<h2>Caratteristiche<\/h2>\n<ul>\n<li>Dimensione dei pori circa 3 \u00c5, selettivi solo per le molecole d'acqua.<\/li>\n<li>Elevata capacit\u00e0 di adsorbimento e rapida cinetica di adsorbimento.<\/li>\n<li>Eccellente rigenerabilit\u00e0 con bassi requisiti energetici.<\/li>\n<li>Buona stabilit\u00e0 chimica e termica.<\/li>\n<li>L'elevata selettivit\u00e0 impedisce il coassorbimento di idrocarburi e molecole pi\u00f9 grandi.<\/li>\n<\/ul>\n<h2>Specifiche (propriet\u00e0 tipiche)<\/h2>\n<table class=\"spec-table\" border=\"1\" cellspacing=\"0\" cellpadding=\"6\">\n<thead>\n<tr>\n<th>Propriet\u00e0<\/th>\n<th>Valore tipico<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Diametro dei pori<\/td>\n<td>3 \u00c5<\/td>\n<\/tr>\n<tr>\n<td>Rapporto SiO\u2082\/Al\u2082O\u2083<\/td>\n<td>\u2248 2.0<\/td>\n<\/tr>\n<tr>\n<td>Densit\u00e0 di massa<\/td>\n<td>0,60 - 0,68 g\/mL<\/td>\n<\/tr>\n<tr>\n<td>Resistenza allo schiacciamento<\/td>\n<td>\u2265 80 N\/pezzo (per 1,6-2,5 mm)<\/td>\n<\/tr>\n<tr>\n<td>Perdita all'accensione<\/td>\n<td>\u2264 1.5%<\/td>\n<\/tr>\n<tr>\n<td>Adsorbimento statico dell'acqua<\/td>\n<td>\u2265 20% (25\u00b0C, RH 75%)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Vantaggi<\/h2>\n<ul>\n<li>L'adsorbimento altamente selettivo dell'acqua garantisce un'efficace disidratazione.<\/li>\n<li>Impedisce la polimerizzazione o la degradazione degli idrocarburi insaturi durante l'essiccazione.<\/li>\n<li>Lunga durata con molti cicli di rigenerazione.<\/li>\n<li>Ampia applicabilit\u00e0 nei settori petrolchimico, della lavorazione del gas e della chimica fine.<\/li>\n<li>Essiccante conveniente rispetto a molti altri agenti essiccanti alternativi.<\/li>\n<\/ul>\n<h2>Applicazioni<\/h2>\n<ul>\n<li>Essiccazione di idrocarburi insaturi come etilene, propilene e butadiene.<\/li>\n<li>Disidratazione di solventi polari, compresi metanolo ed etanolo.<\/li>\n<li>Disidratazione del gas naturale e dei gas di raffineria.<\/li>\n<li>Essiccazione di refrigeranti (ad esempio, R22, R134a).<\/li>\n<li>Fasi di disidratazione nella produzione farmaceutica e di chimica fine.<\/li>\n<\/ul>\n<h2>Imballaggio<\/h2>\n<ul>\n<li>25 kg sacco sigillato\/cartone<\/li>\n<li>Fusto di ferro da 150 kg<\/li>\n<li>500-1000 kg jumbo bag (FIBC)<\/li>\n<li>Imballaggio personalizzato disponibile su richiesta<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>I setacci molecolari 3A sono caratterizzati da un'elevata capacit\u00e0 di adsorbimento, da una rapida velocit\u00e0 di adsorbimento e da eccellenti prestazioni di rigenerazione. Possono essere rigenerati ripetutamente mediante riscaldamento o spurgo con gas secco, assicurando efficienza a lungo termine e risparmi nelle applicazioni industriali.<\/p>","protected":false},"featured_media":3095,"parent":0,"template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"pcategory":[28],"ptag":[],"class_list":["post-3008","product","type-product","status-publish","has-post-thumbnail","hentry","pcategory-molecular-sieves"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>3A Molecular Sieve<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cpxzx.com\/it\/prodotto\/setaccio-molecolare-3a\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3A Molecular Sieve\" \/>\n<meta property=\"og:description\" content=\"3A molecular sieves feature high adsorption capacity, fast adsorption rate, and excellent regeneration performance. 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