{"id":55545,"date":"2018-03-09T22:43:15","date_gmt":"2018-03-09T22:43:15","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/separacion-de-parafinas-lineales-y-ramificadas-en-fase-la%c2%adquida-mediante-tamices-moleculares\/"},"modified":"2018-03-09T22:43:15","modified_gmt":"2018-03-09T22:43:15","slug":"separacion-de-parafinas-lineales-y-ramificadas-en-fase-la%c2%adquida-mediante-tamices-moleculares","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/separacion-de-parafinas-lineales-y-ramificadas-en-fase-la%c2%adquida-mediante-tamices-moleculares\/","title":{"rendered":"Separaci\u00f3n de parafinas lineales y ramificadas en fase l\u00edquida mediante tamices moleculares"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  G\u00f3mez C\u00edvicos Jos\u00e9 Ignacio <\/strong><\/h2>\n<p>Se estudi\u00f3 la adsorci\u00f3n de distintas mezclas paraf\u00ednicas sobre varios tamices puros e intercambiados, tanto en polvo como aglomerados, con estructuras bea, ael y mfi con el objetivo de seleccionar el absorbente con mayor capacidad y selectividad hacia monometilparafinas, compatible con la exclusi\u00f3n geminales.     primero se realizaron experimentos en tanque agitado a 25\u00c2\u00bac. Consistieron en la adsorci\u00f3n de mezclas diluidas en un disolvente no absorbible (1,3,5 trimetilbenceno) de n-c14, 3m-c5, 2,3 dm-c7 y 2,2,4 tm-c5 en distintas proporciones y\/o una mezcla de parafinas \u00abc13-1\u00bb (producto de una isomerizaci\u00f3n de n-c13, conteniendo fundamentalmente n-c13, mm-c12, dm-11 y otras polimetilparafinas) sobre cantidades especificadas de tamiz. La estructura mfi excluy\u00f3 las parafinas germinales y present\u00f3 las mayores capacidades de adsorci\u00f3n.     los trabajos se continuaron en lecho fijo presurizado, a 155-175\u00c2\u00ba c con una carga de absorbibles \u00abc13-2\u00bb y \u00abc13-3\u00bb, an\u00e1logas a la \u00abc13-1\u00bb pero con distinta proporciones entre parafinas, sobre h-zsm-5 aglomerada. Se determinaron curvas de rotura que sirvieron tanto para la determinaci\u00f3n de datos de equilibrio multicomponente como el estudio de la influencia de las variables fundamentales del proceso (caudal, concentraci\u00f3n y tiempo de contacto) sobre la capacidad y selectividad de adsorci\u00f3n a rotura. Las monometilparafinas \u00abextremas\u00bb (2,3 y 4 m-c12) presentaron tiempos de rotura comparables a las \u00abcentrales\u00bb, sufriendo desplazamiento posteriormente. La afinidad por el absorbente en el equilibrio sigui\u00f3 el orden 6 m-c12 mayor 5 m-c12 mayor n-c13 mayor 4 m-c12 mayor 3 m-c12 &#8211; 2m-c12-0. se ajustaron tres modelos de isoterma multicomponente a los datos obtenidos. La variables con mayor influencia sobre la capacidad y la selectividad fue la concentraci\u00f3n de monometilparafinas. Tambi\u00e9n se realizaron experimentos de adsorci\u00f3n hasta rotura\/lavado\/desorci\u00f3n. Se consiguieron altas recuperaciones de monometilparafinas en el<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Separaci\u00f3n de parafinas lineales y ramificadas en fase l\u00edquida mediante tamices moleculares<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Separaci\u00f3n de parafinas lineales y ramificadas en fase l\u00edquida mediante tamices moleculares <\/li>\n<li><strong>Autor:<\/strong>\u00a0  G\u00f3mez C\u00edvicos Jos\u00e9 Ignacio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/11\/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>Mar\u00eda De Los \u00e1ngeles Uguina Zamorano<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Gabriel Ovejero Escudero <\/li>\n<li>Ramon Alcantara Pedreira (vocal)<\/li>\n<li>Jes\u00fas Alberto Pajares Somoano (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de G\u00f3mez C\u00edvicos Jos\u00e9 Ignacio Se estudi\u00f3 la adsorci\u00f3n de distintas mezclas paraf\u00ednicas sobre varios tamices puros e [&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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