{"id":38085,"date":"2018-03-09T09:37:29","date_gmt":"2018-03-09T09:37:29","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/utilizacion-de-catalizadores-para-la-obtencion-de-pastas-celulosicas-de-paja-de-trigo-con-disolventes-organicos\/"},"modified":"2018-03-09T09:37:29","modified_gmt":"2018-03-09T09:37:29","slug":"utilizacion-de-catalizadores-para-la-obtencion-de-pastas-celulosicas-de-paja-de-trigo-con-disolventes-organicos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ingenieria-y-tecnologia-quimicas\/utilizacion-de-catalizadores-para-la-obtencion-de-pastas-celulosicas-de-paja-de-trigo-con-disolventes-organicos\/","title":{"rendered":"Utilizaci\u00f3n de catalizadores para la obtenci\u00f3n de pastas celul\u00f3sicas de paja de trigo con disolventes org\u00e1nicos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mar\u00eda  Jes\u00fas De La Torre Molina <\/strong><\/h2>\n<p>En este trabajo se ha procedido a la fabricaci\u00f3n de papel a partir de paja de trigo mediante disolventes org\u00e1nicos, sin y con la presencia de catalizadores.  se compara la paja de trigo con otros residuos agr\u00edcolas, lleg\u00e1ndose a la conclusi\u00f3n de que es una materia prima bastante aceptable desde el punto de vista de su composici\u00f3n y de la longitud de sus fibras.  se ensaya un dise\u00f1o experimental de composici\u00f3n central para el estudio de la influencia de las variables de operaci\u00f3n de los procesos de pasteado sobre el rendimiento y la composici\u00f3n de las pastas y el ph de las lej\u00edas residuales, obteni\u00e9ndose ecuaciones que reproducen los resultados experimentales con errores menores del 10% en la mayor\u00eda de los casos.  utilizando el catalizador \u00e1cido clorhidrico en el proceso al etanol, se requieren menores temperaturas, tiempo y concentraci\u00f3n de etanol que en el proceso sin catalizar, consiguiendo pastas con mayor contenido de alfa-celulosa y menor de lignina. En el proceso a la acetona, al operar con catalizador se necesitan menores temperatura y tiempo, aumentando el rendimiento y el contenido de alfa-celulosa de las pastas y disminuyendo el contenido de lignina.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Utilizaci\u00f3n de catalizadores para la obtenci\u00f3n de pastas celul\u00f3sicas de paja de trigo con disolventes org\u00e1nicos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Utilizaci\u00f3n de catalizadores para la obtenci\u00f3n de pastas celul\u00f3sicas de paja de trigo con disolventes org\u00e1nicos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mar\u00eda  Jes\u00fas De La Torre Molina <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/04\/1998<\/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>Luis Jimenez Alcaide<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: juli\u00e1n Morales palomino <\/li>\n<li>Francisco Hern\u00e1inz berm\u00fadez de castro (vocal)<\/li>\n<li>Antonio Rosell\u00f3 segado (vocal)<\/li>\n<li>Jos\u00e9 Luis Gonzalez fernandez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mar\u00eda Jes\u00fas De La Torre Molina En este trabajo se ha procedido a la fabricaci\u00f3n de papel [&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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