{"id":86028,"date":"2018-03-10T00:10:33","date_gmt":"2018-03-10T00:10:33","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/sa%c2%adntesis-de-cordierita-por-reaccion-en-estado-solido-y-optimizacion-del-proceso-de-extrusion-en-estructuras-monoliticas\/"},"modified":"2018-03-10T00:10:33","modified_gmt":"2018-03-10T00:10:33","slug":"sa%c2%adntesis-de-cordierita-por-reaccion-en-estado-solido-y-optimizacion-del-proceso-de-extrusion-en-estructuras-monoliticas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ingenieria-y-tecnologia-quimicas\/sa%c2%adntesis-de-cordierita-por-reaccion-en-estado-solido-y-optimizacion-del-proceso-de-extrusion-en-estructuras-monoliticas\/","title":{"rendered":"S\u00edntesis de cordierita por reacci\u00f3n en estado s\u00f3lido y optimizaci\u00f3n del proceso de extrusi\u00f3n en estructuras monoliticas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Raquel Ferret Poza <\/strong><\/h2>\n<p>Esta tesis doctoral describe la preparaci\u00f3n de un soporte monol\u00edtico tipo \u00abpanal de abeja\u00bb conformado de una cer\u00e1mica como es la cordierita y cual es su comportamiento cuando se emplea como soporte para catalizadores de control de emisiones gaseosas.  la preparaci\u00f3n de este tipo de soportes tiene dos aspectos fundamentales a controlar, tal y como se refleja en la memoria de la tesis. Por un lado, la optimizaci\u00f3n del proecso de extrusi\u00f3n, que debe permitir que a partir de \u00f3xidos precursores en forma de polvo, se obtenga una pasta homog\u00e9nea mezcl\u00e1ndolos con agua y un plastificante.Esta pasta ha de pasar a trav\u00e9s de una boquilla que le proprocione la forma deseada de monolito y debe ser sometida a las etapas de tratamiento t\u00e9rmico sin que la estructura \u00abpanal de abeja\u00bb se deteriore.Se han estudiado cuales son las condiciones \u00f3ptimas se permiten que cada una de las etapas tenga lugar con \u00e9xito.  por otro lado, hay que controlar la reacci\u00f3n en estado s\u00f3lido a partir de los \u00f3xidos constituyentes que tiene lugar en la \u00faltima etapa de tratamiento t\u00e9rmico del proceso de extrusi\u00f3n. Se determinan las variables tiempo y temperatura que permiten obtener un monolito \u00abpanal de abeja\u00bb conformado de cordierita pseudohexagonal, estructura intermedia entre los polimorfos ortorr\u00f3mbico y hexagonal.  el soporte experimental se emplea para la preparaci\u00f3n de un catalizador para el control de emisiones gaseosas, evaluando su comportamiento en la etapas de impregnaci\u00f3n del \u00abwashcoat\u00bb, y posteriormente comprobando cual es su comportamiento en condiciones de reacci\u00f3n caracter\u00edsticas de los escapes de un autom\u00f3vil.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>S\u00edntesis de cordierita por reacci\u00f3n en estado s\u00f3lido y optimizaci\u00f3n del proceso de extrusi\u00f3n en estructuras monoliticas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 S\u00edntesis de cordierita por reacci\u00f3n en estado s\u00f3lido y optimizaci\u00f3n del proceso de extrusi\u00f3n en estructuras monoliticas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Raquel Ferret Poza <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/07\/2000<\/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>Juan  Ram\u00f3n Gonz\u00e1lez Velasco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: arturo Romero salvador <\/li>\n<li>Jos\u00e9 Aguado alonso (vocal)<\/li>\n<li>Jes\u00fas Blanco alvarez (vocal)<\/li>\n<li>jon i\u00f1aki Alvarez uriarte (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Raquel Ferret Poza Esta tesis doctoral describe la preparaci\u00f3n de un soporte monol\u00edtico tipo \u00abpanal de abeja\u00bb [&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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