{"id":54830,"date":"2018-03-09T22:42:34","date_gmt":"2018-03-09T22:42:34","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/modelo-numerico-bidimensional-de-pirolisis-de-biomasa-lignocelulosica\/"},"modified":"2018-03-09T22:42:34","modified_gmt":"2018-03-09T22:42:34","slug":"modelo-numerico-bidimensional-de-pirolisis-de-biomasa-lignocelulosica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/cinetica-quimica\/modelo-numerico-bidimensional-de-pirolisis-de-biomasa-lignocelulosica\/","title":{"rendered":"Modelo num\u00e9rico bidimensional de pir\u00f3lisis de biomasa lignocelul\u00f3sica"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Arostegui Ordorica Jos\u00e9 Manuel <\/strong><\/h2>\n<p>La presente tesis tiene como planteamiento general la elaboraci\u00f3n de un modelo bidimensional de pir\u00f3lisis de biomasa lignocelul\u00f3sica. Dicho modelo incluye todo el conjunto de fen\u00f3menos f\u00edsico-qu\u00edmicos que se ponen en juego durante el proceso (transferencia de masa, energ\u00eda, momento y cin\u00e9tica qu\u00edmica,..) En un medio poroso cambiante, as\u00ed como la sensibilidad el mismo en diferentes situaciones geom\u00e9tricas, t\u00e9rmicas y de humedad. se propone una transformaci\u00f3n de las cin\u00e9ticas de pir\u00f3lisis establecidas basada en el hecho de suponerse que la generaci\u00f3n de char procede fundamentalmente de la descomposici\u00f3n de la lignina existente. Dicha transformaci\u00f3n introduce un cambio notorio en la cin\u00e9tica puesta en juego durante le proceso de pir\u00f3lisis y hace que el modelo se adapte a las diferentes condiciones de operaci\u00f3n. Las simulaciones llevada a cabo ponen de manifiesto una concordancia entre los resultados del modelo y las diferentes situaciones de pir\u00f3lisis registradas en la pr\u00e1ctica industrial. Resultados que han sido alcanzados en base a una cr\u00edtica a los modelos cin\u00e9ticos existentes en la literatura t\u00e9cnica. La metodolog\u00eda del modelo de resoluci\u00f3n del sistema de ecuaciones del balance de materia y energ\u00eda, unida a un conjunto de ensayos termogravim\u00e9tricos llevados a cabo, ha permitido elaborar un modelo consistente del fen\u00f3meno de pri\u00f3lisis y abrir una serie nuevas formas de tratamiento de la misma en lo referente: al estudio de la cin\u00e9tica qu\u00edmica propia de la pir\u00f3lisis mediante superficies cin\u00e9ticas. El papel de la lignina en el modelo de pir\u00f3lisis. El tratamiento termogravim\u00e9trico de la humedad en el modelo.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Modelo num\u00e9rico bidimensional de pir\u00f3lisis de biomasa lignocelul\u00f3sica<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Modelo num\u00e9rico bidimensional de pir\u00f3lisis de biomasa lignocelul\u00f3sica <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Arostegui Ordorica Jos\u00e9 Manuel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Nacional de educaci\u00f3n a distancia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 29\/09\/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>Andr\u00e9s Cabanillas Cabanillas<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Santiago Aroca lastra <\/li>\n<li>Javier Elorza Francisco (vocal)<\/li>\n<li>Santiago Vicente cuenca (vocal)<\/li>\n<li>f\u00e9lix Mend\u00eda urquiola (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Arostegui Ordorica Jos\u00e9 Manuel La presente tesis tiene como planteamiento general la elaboraci\u00f3n de un modelo bidimensional [&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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