{"id":89691,"date":"2001-04-04T00:00:00","date_gmt":"2001-04-04T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/limpieza-de-matrices-solidas-porosas-de-interes-medioambiental-con-fluidos-supercriticos\/"},"modified":"2001-04-04T00:00:00","modified_gmt":"2001-04-04T00:00:00","slug":"limpieza-de-matrices-solidas-porosas-de-interes-medioambiental-con-fluidos-supercriticos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ingenieria-y-tecnologia-quimicas\/limpieza-de-matrices-solidas-porosas-de-interes-medioambiental-con-fluidos-supercriticos\/","title":{"rendered":"Limpieza de matrices s\u00f3lidas porosas de inter\u00e9s medioambiental con fluidos supercriticos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Kamal Abaroudi <\/strong><\/h2>\n<p>En esta tesis, se ha intentado sustituir el uso de los solventes org\u00e1nicos clorados peligrosos con la t\u00e9cnica de la extracci\u00f3n supercritica para la limpieza de piezas met\u00e1licas porosas. Se ha estudiado experimental y te\u00f3ricamente la cin\u00e9tica de extracci\u00f3n de b-naftol impregnado en los poros  de las piezas met\u00e1licas usando co2 supercr\u00edtico puro y modificado variando la temperatura la presi\u00f3n, el caudal, el tama\u00f1o de part\u00edcula, la gravedad y el porcentaje del cosolvente. Como modelo matem\u00e1tico, se ha usado el modelo del n\u00facleo sin reacionar, en este modelo aparecen 4 par\u00e1metros a justar: la solubilidad, el coeficiente de transferencia de materia, la difusividad efectiva y la dispersi\u00f3n axial. Para el caso de la solubilidas, se puede determinar experimentalmente o bine usando m\u00e9todos totalmente predictivos.  como m\u00e9todo experimental, se ha utilizado el m\u00e9todo cuasi equilibrio en el cual se ha trabajado con un caudal bastante bajo que permite que el fluido se sature durante su tiempo de residencia en el extractor y luego se ha verificado la fiabilidad del m\u00e9todo experimental y te\u00f3ricamente estudiando la cin\u00e9tica de extracci\u00f3n del soluto. Para predecir la solubilidad el s\u00f3lio en co2 supercr\u00edtico puro, se ha empleado la teor\u00eda de la esfera r\u00edgida de van der waals con el valor medio de la integral de la energ\u00eda potencial intermolecular (a12) lo cual se ha conseguido a partir del ajuste de una serie de compuestos hidrocarburos de manera que se han encontrado que dicho par\u00e1metro var\u00eda muy poco con la presi\u00f3n, la temperatura y de un soluto a otro. Para predecir la solubilidad del s\u00f3lido en co2 supercritico modificado, se ha utilizado la ecuaci\u00f3n de estado de p-r junto con las reglas de mezcla del fluido \u00fanico de van der waals de manera que se han determinado los par\u00e1metros de interacci\u00f3n binarios (k12, k13, k23) a partir del estudio de los sistemas binarios usando las reglas de mezcla de wong sandler (ws) y la c<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Limpieza de matrices s\u00f3lidas porosas de inter\u00e9s medioambiental con fluidos supercriticos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Limpieza de matrices s\u00f3lidas porosas de inter\u00e9s medioambiental con fluidos supercriticos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Kamal Abaroudi <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 04\/04\/2001<\/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>Francisco Recasens Baxarias<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Mar\u00eda Salla tarrag\u00f3 <\/li>\n<li>josep Mar\u00eda Bayona termens (vocal)<\/li>\n<li> Cocero alonso Mar\u00eda  Jos\u00e9 (vocal)<\/li>\n<li>Mar\u00eda  angeles Larrayoz iriarte (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Kamal Abaroudi En esta tesis, se ha intentado sustituir el uso de los solventes org\u00e1nicos clorados peligrosos [&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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