{"id":105046,"date":"2018-03-11T10:28:27","date_gmt":"2018-03-11T10:28:27","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-a-multiescala-de-la-interaccion-entre-polimorfos-de-ca-c03-calcita-y-aragonito-y-soluciones-acuosas-con-metales-contaminantes-cd-mn-cu\/"},"modified":"2018-03-11T10:28:27","modified_gmt":"2018-03-11T10:28:27","slug":"estudio-a-multiescala-de-la-interaccion-entre-polimorfos-de-ca-c03-calcita-y-aragonito-y-soluciones-acuosas-con-metales-contaminantes-cd-mn-cu","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/estudio-a-multiescala-de-la-interaccion-entre-polimorfos-de-ca-c03-calcita-y-aragonito-y-soluciones-acuosas-con-metales-contaminantes-cd-mn-cu\/","title":{"rendered":"Estudio a multiescala de la interacci\u00f3n entre polimorfos de ca c03 (calcita y aragonito) y soluciones acuosas con metales contaminantes (cd, mn, cu)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Carlos Perez Garrido <\/strong><\/h2>\n<p>En este trabajo se ha realizado un estudio desde escalas de observaci\u00f3n microsc\u00f3picas (sem, xrf, drx, eds) hasta escalas de observaci\u00f3n nanosc\u00f3picas (afm) de la interacci\u00f3n de calcita y aragonito con soluciones de cdcl2, mncl2 y cucl2. La interacci\u00f3n  de los substratos de caco3 muestran una fuerte interacci\u00f3n con los diferentes metales divalentes, llevando a la formaci\u00f3n de diferentes tipos de precipitados sobre sus superficies. As\u00ed los precipitados formados al utilizar soluciones de cdcl2 corres ponden a t\u00e9rminos ricos en cadmio de la soluci\u00f3n s\u00f3lida cdxca1-xco3. Al utilizar soluciones de mncl2 se produce la precipitaci\u00f3n de t\u00e9rminos pr\u00f3ximos a la rodocrosita (mnco3) de la soluci\u00f3n s\u00f3lida mnxca1-xco3, as\u00ed como la formaci\u00f3n bajo determinadas niveles de sobresaturaci\u00f3n de precipitados de composici\u00f3n mn(oh)2. La interacci\u00f3n de estos substratos con soluciones de cucl2 llevan a la formaci\u00f3n de diferentes fases ricas en cobre, las cuales dependen de la proporci\u00f3n [cl-]:[co32-] en la soluci\u00f3n acuosa, observ\u00e1ndose precipitados de cu2cl(oh)3 (botallackita, clinoatacamita, paratacamita) cuando la esta proporci\u00f3n es mayor a 7 y precipitados de cu2co3(oh)2 (malaquita) cuando [cl-]:[co32-] \u00ed\u00a7 2. La efectividad de eliminaci\u00f3n de metales contamina ntes en soluci\u00f3n de los polimorfos de caco3 est\u00e1 relacionada con la existencia de relaciones epitaxiales entre los precipitados y el substrato, los cuales pueden impedir la interacci\u00f3n del substrato con la soluci\u00f3n, lo que determinar\u00eda una reducci\u00f3n de la efectividad.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio a multiescala de la interacci\u00f3n entre polimorfos de ca c03 (calcita y aragonito) y soluciones acuosas con metales contaminantes (cd, mn, cu)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio a multiescala de la interacci\u00f3n entre polimorfos de ca c03 (calcita y aragonito) y soluciones acuosas con metales contaminantes (cd, mn, cu) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Carlos Perez Garrido <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/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>Manuel Prieto Rubio<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: magdalena Rodas gonz\u00e1lez <\/li>\n<li>amalia Jimenez bautista (vocal)<\/li>\n<li>ingo Sethmann (vocal)<\/li>\n<li>concepcion Jimenez lopez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Carlos Perez Garrido En este trabajo se ha realizado un estudio desde escalas de observaci\u00f3n microsc\u00f3picas (sem, [&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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