{"id":114102,"date":"2018-03-11T10:41:59","date_gmt":"2018-03-11T10:41:59","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/proceso-catala%c2%adtico-de-interconversion-de-olefinas-con-intensificacion-de-propileno-catalytic-process-for-propylene-intensification-by-interconverting-olefins\/"},"modified":"2018-03-11T10:41:59","modified_gmt":"2018-03-11T10:41:59","slug":"proceso-catala%c2%adtico-de-interconversion-de-olefinas-con-intensificacion-de-propileno-catalytic-process-for-propylene-intensification-by-interconverting-olefins","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/procesos-quimicos\/proceso-catala%c2%adtico-de-interconversion-de-olefinas-con-intensificacion-de-propileno-catalytic-process-for-propylene-intensification-by-interconverting-olefins\/","title":{"rendered":"Proceso catal\u00edtico de interconversi\u00f3n de olefinas con intensificaci\u00f3n de propileno\/catalytic process for propylene intensification by interconverting olefins"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Eva Epelde Bejarano <\/strong><\/h2>\n<p>La obtenci\u00f3n selectiva de propileno mediante la interconversi\u00f3n de olefinas ligeras (1-buteno y etileno) se presenta como una alternativa interesante para satisfacer la creciente demanda de propileno, materia prima de polipropileno y de otros derivados con creciente demanda en la industria petroqu\u00edmica.El proceso transcurre sobre catalizadores \u00e1cidos en los que la adecuaci\u00f3n de la acidez y la selectividad de forma son claves para intensificar la producci\u00f3n de propileno. Se han considerado zeolitas hzsm-5 con diferente relaci\u00f3n sio2\/al2o3, tanto originales como modificadas (mediante tratamiento in situ con vapor y por incorporaci\u00f3n de diferentes promotores (k y p) para moderar la acidez), as\u00ed como catalizadores con mayor severidad de la selectividad de forma, como el sapo-18 y sapo-34.Los ensayos cin\u00e9ticos, de hasta 5 h de duraci\u00f3n, se han llevado a cabo en un reactor de lecho fijo, en el intervalo entre 400-600 \u00c2\u00bac, tiempo espacial hasta 3.2 gcatalizadorh(molch2)-1 y presi\u00f3n parcial de reactantes entre 0.375 y 1.35 bar. Con el catalizador que ha presentado el mejor compromiso entre conversi\u00f3n- selectividad y rendimiento de propileno-desactivaci\u00f3n por coque se ha llevado a cabo el modelado cin\u00e9tico de la transformaci\u00f3n de 1-buteno a tiempo cero (discriminando entre diferentes esquemas cin\u00e9ticos propuestos, basados en lumps o agrupaciones de componentes), as\u00ed como de la desactivaci\u00f3n por coque. A su vez, se ha realizado una exhaustiva caracterizaci\u00f3n del coque mediante diversas t\u00e9cnicas espectrosc\u00f3picas para determinar su naturaleza y composici\u00f3n que ha contribuido a un mejor entendimiento del origen de su deposici\u00f3n y a la propuesta de posibles modelos cin\u00e9ticos de desactivaci\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Proceso catal\u00edtico de interconversi\u00f3n de olefinas con intensificaci\u00f3n de propileno\/catalytic process for propylene intensification by interconverting olefins<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Proceso catal\u00edtico de interconversi\u00f3n de olefinas con intensificaci\u00f3n de propileno\/catalytic process for propylene intensification by interconverting olefins <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Eva Epelde Bejarano <\/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 26\/04\/2013<\/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>Ana Guadalupe Gayubo Cazorla<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: inmaculada Ortiz uribe <\/li>\n<li>Javier Ruiz mart\u00ednez (vocal)<\/li>\n<li>Miguel angel Gilarranz redondo (vocal)<\/li>\n<li>Javier Bilbao elorriaga (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Eva Epelde Bejarano La obtenci\u00f3n selectiva de propileno mediante la interconversi\u00f3n de olefinas ligeras (1-buteno y etileno) [&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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