{"id":52780,"date":"2018-03-09T22:40:26","date_gmt":"2018-03-09T22:40:26","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/preparation-characterization-and-modeling-of-zeolite-naa-membranes-for-the-pervaporation-dehydration-of-alcohol-mixtures\/"},"modified":"2018-03-09T22:40:26","modified_gmt":"2018-03-09T22:40:26","slug":"preparation-characterization-and-modeling-of-zeolite-naa-membranes-for-the-pervaporation-dehydration-of-alcohol-mixtures","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/procesos-quimicos\/preparation-characterization-and-modeling-of-zeolite-naa-membranes-for-the-pervaporation-dehydration-of-alcohol-mixtures\/","title":{"rendered":"Preparation, characterization and modeling of zeolite naa membranes for the pervaporation dehydration of alcohol mixtures"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Marc Pera Titus <\/strong><\/h2>\n<p>En el campo de las membranas microporosas, las membranas zeol\u00edticas constituyen una tecnolog\u00eda prometedora no solamente para llevar a cabo procesos de separaci\u00f3n y en reactores de membrana catal\u00edtica, sino tambi\u00e9n en campos m\u00e1s incipientes como los microreactores, sensores, dispositivos optoelectr\u00f3nicos, y \u00f3rganos artificiales. Estos procesos, se fundamentan en el uso de las propiedades \u00fanicas de las zeolitas (estructura cristalina altamente ordenada, poros de tama\u00f1o molecular, y estabilidad t\u00e9rmica y ataque microbiol\u00f3gico) en una configuraci\u00f3n de capa. Estas caracter\u00edsticas convierten las membranas zeol\u00edticas en alternativas potenciales para llevar a cabo separaciones de especies que presentan diferencias de tama\u00f1o molecular y de propiedades de adsorci\u00f3n, pero que son dif\u00edciles de realizar mediante membranas polim\u00e9ricas o mediante otros procesos de separaci\u00f3n convencionales (p.Ej.Destilaci\u00f3n). en los \u00faltimos 15 a\u00f1os se ha producido un desarrollo intenso en el campo de las membranas zeol\u00edticas, tal como se pone de manifiesto en el aumento del n\u00famero de patentes y publicaciones cient\u00edficas relacionadas con este campo.  dentro de las membranas zeol\u00edticas sintetizadas a escala de laboratorio, aqu\u00e9llas que presentan relaciones al2o2\/sio2 elevadas (zeolita naa, mordenita, i zeolitas nax y nay) han centrado gran inter\u00e9s, puesto que presentan una elevada capacita para deshidratar mezclas org\u00e1nicas mediante pervaporaci\u00f3n (pv). en particular, la s\u00edntesis de membrana se zeolita naa ha recibido especial atenci\u00f3n, puesto que \u00e9stas presentan selectividades elevadas (de hasta 40000) y flujos elevados para la deshidrataci\u00f3n de mezclas alcohol\/agua. En al actualidad ya se presentan aplicaciones industriales de m\u00f3dulos de pv comerciales basados en membranas de zeolita naa para llevar a cabo la deshidrataci\u00f3n de una gran variedad de disolventes de forma rutinaria. en este contexto, el objetivo fundamental de la presente tesis doctoral se ha ce<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Preparation, characterization and modeling of zeolite naa membranes for the pervaporation dehydration of alcohol mixtures<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Preparation, characterization and modeling of zeolite naa membranes for the pervaporation dehydration of alcohol mixtures <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Marc Pera Titus <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 29\/05\/2006<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Fidel Cunill Garc\u00eda<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: francesc Sagues mestre <\/li>\n<li>sylvain Miachon (vocal)<\/li>\n<li>reyes Mallada viana (vocal)<\/li>\n<li>Carlos enrique Alem\u00e1n llans\u00f3 (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Marc Pera Titus En el campo de las membranas microporosas, las membranas zeol\u00edticas constituyen una tecnolog\u00eda prometedora [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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