{"id":82937,"date":"2018-03-10T00:06:59","date_gmt":"2018-03-10T00:06:59","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/influencia-de-la-mineralogia-quimismo-y-textura-en-las-aplicaciones-basicas-industriales-de-la-sepiolita\/"},"modified":"2018-03-10T00:06:59","modified_gmt":"2018-03-10T00:06:59","slug":"influencia-de-la-mineralogia-quimismo-y-textura-en-las-aplicaciones-basicas-industriales-de-la-sepiolita","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/influencia-de-la-mineralogia-quimismo-y-textura-en-las-aplicaciones-basicas-industriales-de-la-sepiolita\/","title":{"rendered":"Influencia de la mineralogia, quimismo y textura en las aplicaciones basicas industriales de la sepiolita."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Africa Yebra Rodriguez <\/strong><\/h2>\n<p>En el potencial uso industrial de la sepiolita entra en juego no s\u00f3lo la composici\u00f3n qu\u00edmica de la misma, sino, sobre todo, la estructura cristalina y textura, es decir, los par\u00e1metros que definen le \u00e1rea espec\u00edfica, tama\u00f1o de part\u00edcula y la macro y microporosidad de esta especie mineral. Esta memoria de tesis doctorla recoge el estudio de 22 muestras de spiolita seleccionadas entre los nivels m\u00e1s ricos en esta arcilla procedentes de distinas cuencas te rciarias espa\u00f1olas. Para su estudio han sido empleadas distintas te\u00c2\u00bfcnicas anal\u00edticas: difracci\u00f3nde rayos x, an\u00e1lisis qu\u00edmicos espec\u00edficos, an\u00e1lisis granulom\u00e9trico (donde se incluye la puesta a punto de la t\u00e9cnica de an\u00e1lisis de im\u00e1genes para el etudio textural de part\u00edculas con morfolog\u00eda fibrosa), colorimetr\u00eda, porosimetr\u00eda, microscop\u00eda, electr\u00f3nica de transmisi\u00f3n y de barrido, tratamiento \u00e1cido sobre la estructura cristalina de la sepiolita, y absorci\u00f3n de paranitrofenol.  desde el punto de vista de su posible empleo en alimentaci\u00f3n animal y\/o productos farmac\u00e9uticos, s\u00f3lo algunas muestras contienen un porcentaje de cuarzo m\u00e1s \u00f3palo superiro al 10%, por lo que debe evitarse su uso como excipientes farmac\u00e9uticos, principios activos o alimentaci\u00f3n animal. De los resultados de longitudes de figras obtenidos mediante las dos t\u00e9cnicas aplicadas (gramulometr\u00eda l\u00e1ser y an\u00e1lisis digital de im\u00e1genes) se ha puesto de manifiesto que este \u00faltimo es la herramienta m\u00e1s eficaz cuando se trata de medir part\u00edculas anisotr\u00f3pas en cuanto a su forma, dado que el analizador l\u00e1ser mide indiscriminadamente todas las fases minerales y tiende a homogeneizar el tama\u00f1o de las mismas. Adem\u00e1s el an\u00e1lisis de im\u00e1genes es posible direnciar poblaciones de part\u00edculas dentro de las mismas muestras. Las coordenadas de comoaticidad obtenidas para las muestras las sit\u00faan en todos los casos en la zona de los blancos del lugar espectral, conalguna tendencia al amarillo. las<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Influencia de la mineralogia, quimismo y textura en las aplicaciones basicas industriales de la sepiolita.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Influencia de la mineralogia, quimismo y textura en las aplicaciones basicas industriales de la sepiolita. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Africa Yebra Rodriguez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Granada<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/01\/2000<\/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>Alberto L\u00f3pez Galindo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: manuel Rodr\u00edguez gallego <\/li>\n<li>massimo Setti (vocal)<\/li>\n<li>Francisco Garcia huertas (vocal)<\/li>\n<li>Emilio Galan huertos (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Africa Yebra Rodriguez En el potencial uso industrial de la sepiolita entra en juego no s\u00f3lo la [&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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