{"id":105014,"date":"2018-03-11T10:28:23","date_gmt":"2018-03-11T10:28:23","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/regeneracion-de-biolubricantes-degradados-por-oxidacion-mediante-adsorcion-en-solidos-microporosos\/"},"modified":"2018-03-11T10:28:23","modified_gmt":"2018-03-11T10:28:23","slug":"regeneracion-de-biolubricantes-degradados-por-oxidacion-mediante-adsorcion-en-solidos-microporosos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/procesos-quimicos\/regeneracion-de-biolubricantes-degradados-por-oxidacion-mediante-adsorcion-en-solidos-microporosos\/","title":{"rendered":"Regeneraci\u00f3n de biolubricantes degradados por oxidaci\u00f3n mediante adsorci\u00f3n en s\u00f3lidos microporosos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alejandro De La Hoz Galindo <\/strong><\/h2>\n<p>En esta tesis se estudia la adsorci\u00f3n en zeolitas de compuestos generados en la oxidaci\u00f3n de aceites lubricantes. El aceite se regenera tras su paso por un lecho adsorbente en el que quedan retenidos los productos de oxidaci\u00f3n. Se emplean lubricantes sint\u00e9ticos basados en trimetilolpropano y biolubricantes formulados a partir de trioleato de glicerol y polialfaolefinas. En primer lugar, se realizan diversos ensayos de oxidaci\u00f3n cuyos productos se analizan por cromatograf\u00eda gaseosa y l\u00edquida. Se identifican as\u00ed los compuestos que se generan durante la oxidaci\u00f3n y se determina la evoluci\u00f3n de su concentraci\u00f3n en funci\u00f3n de las condiciones de reacci\u00f3n y de la presencia o no de antioxidantes en la formulaci\u00f3n del lubricante.   estos compuestos propios de la degradaci\u00f3n se corresponden con los adsorbatos analizados en los experimentos posteriores de adsorci\u00f3n, que se llevan a cabo con lechos fijos de part\u00edculas basadas en zeolitas de los tipos beta, l y x. En ellos se alimenta aceite degradado y se determina la variaci\u00f3n con el tiempo de la concentraci\u00f3n de los adsorbatos representativos de la degradaci\u00f3n a medida que el lecho se satura, a trav\u00e9s de curvas de ruptura. Mediante un modelo te\u00f3rico de ecuaciones diferenciales se obtienen los coeficientes cin\u00e9tico y de equilibrio, con los que se eval\u00faa la capacidad de adsorci\u00f3n y la velocidad de transferencia de materia.  se estudia tambi\u00e9n la reactivaci\u00f3n de los lechos mediante lixiviaci\u00f3n, barrido con gas inerte y combusti\u00f3n con aire y se determinan las cantidades de masa eliminadas en cada una de ellas. Finalmente se realizan experimentos de adsorci\u00f3n con el lecho regenerado para comparar los resultados con los de los experimentos originales.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Regeneraci\u00f3n de biolubricantes degradados por oxidaci\u00f3n mediante adsorci\u00f3n en s\u00f3lidos microporosos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Regeneraci\u00f3n de biolubricantes degradados por oxidaci\u00f3n mediante adsorci\u00f3n en s\u00f3lidos microporosos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alejandro De La Hoz Galindo <\/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 19\/11\/2010<\/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 Tomas Aguayo Urquijo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan Ortega saavedra <\/li>\n<li>bernardo Tormos mart\u00ednez (vocal)<\/li>\n<li>martin Olazar aurrecoechea (vocal)<\/li>\n<li>tomas Cordero alcantara (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alejandro De La Hoz Galindo En esta tesis se estudia la adsorci\u00f3n en zeolitas de compuestos generados [&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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