{"id":31793,"date":"1997-01-01T00:00:00","date_gmt":"1997-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/analisi-i-control-de-cianurs-i-productes-relacionats-presents-en-aigues-residuals-i-dissolucions-de-processos-industrials-mitjancant-electroforesi-capil-lar\/"},"modified":"1997-01-01T00:00:00","modified_gmt":"1997-01-01T00:00:00","slug":"analisi-i-control-de-cianurs-i-productes-relacionats-presents-en-aigues-residuals-i-dissolucions-de-processos-industrials-mitjancant-electroforesi-capil-lar","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/analisi-i-control-de-cianurs-i-productes-relacionats-presents-en-aigues-residuals-i-dissolucions-de-processos-industrials-mitjancant-electroforesi-capil-lar\/","title":{"rendered":"Analisi i control de cianurs i productes relacionats presents en aigues residuals i dissolucions de processos industrials mitjancant electroforesi capil.lar."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Vicen\u00c1\u00a7 Mart\u00ed Gregorio <\/strong><\/h2>\n<p>Esta tesis consiste en la aplicacion de la electroforesis capilar (ce) a la separacion y cuantificacion de especies cianuradas y al estudio del comportamiento de estas especies y de su destino final.Como material de estudio se han seleccionado distintos procesos industriales (lixiviacion de minerales y arenas auriferas, disoluciones de proceso en industrias de recubrimientos electroliticos, lixiviacion intensiva en autoclave de convertidores de automovil) donde los cianuros tienen aplicacion.En la primera parte de la tesis se ha realizado un estudio detallado de las caracteristicas de la tecnica ce, y posteriormente se ha optimizado una metodolog\u00eda para aplicarla a los distintos problemas que se recogen en el resto de la memoria.La segunda parte de la tesis se ha dedicado a la aplicacion de la ce al estudio de la lixiviacion con nacn de los metales preciosos y estrategicos presentes en minerales auriferos (au, ag) y en convertidores de automoviles (pt, pd, rh), obteniendo finalmente un metodo analitico capaz de ser utilizado para el seguimiento de este tipo de procesos.En la tercera parte de la tesis se ha realizado la determinacion del cianuro libre, del debilmente ligado y del total en aguas procedentes de la industria de los recubrimientos electroliticos y en disoluciones de cianuros oxidadas con hipoclorito, que es el metodo mas extendido para tratar las aguas industriales.Para analizar estas formas de cianuros, se han planteado dos soluciones, basadas en la deteccion indirecta y en la derivatizacion.  la problematica de la deteccion del cianuro libre (cn- i hcn(aq)) y de especies relacionadas (cno-, scn-, no3, ci-, so42- i cio-) resuelto con la utilizacion de la fluorescencia indirecta con un detector prototipo con fuente laser.  la determinacion de cianuros en muestras reales de disoluciones de recubrimientos electroliticos se ha conseguido mediante su derivatizacion a ni(cn)42- utilizando una disolucion de ni(ii)-nh3, co<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Analisi i control de cianurs i productes relacionats presents en aigues residuals i dissolucions de processos industrials mitjancant electroforesi capil.lar.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Analisi i control de cianurs i productes relacionats presents en aigues residuals i dissolucions de processos industrials mitjancant electroforesi capil.lar. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Vicen\u00c1\u00a7 Mart\u00ed Gregorio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1997<\/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>Adriana Farran Marsa<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Joan De Pablo Ribas <\/li>\n<li>Eduard Figuerola Perez (vocal)<\/li>\n<li>Ram\u00f3n Oliver Pujol (vocal)<\/li>\n<li>Damia Barcelo Culleres (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Vicen\u00c1\u00a7 Mart\u00ed Gregorio Esta tesis consiste en la aplicacion de la electroforesis capilar (ce) a la separacion [&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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