{"id":112892,"date":"2018-03-11T10:40:04","date_gmt":"2018-03-11T10:40:04","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/biodegradacion-de-fenol-en-un-reactor-en-regimen-de-spouted-bed-con-parta%c2%adculas-de-ss-ciclodextrina\/"},"modified":"2018-03-11T10:40:04","modified_gmt":"2018-03-11T10:40:04","slug":"biodegradacion-de-fenol-en-un-reactor-en-regimen-de-spouted-bed-con-parta%c2%adculas-de-ss-ciclodextrina","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica-industrial\/biodegradacion-de-fenol-en-un-reactor-en-regimen-de-spouted-bed-con-parta%c2%adculas-de-ss-ciclodextrina\/","title":{"rendered":"Biodegradaci\u00f3n de fenol en un reactor en r\u00e9gimen de spouted bed con part\u00edculas de ss-ciclodextrina"},"content":{"rendered":"<h2>Tesis doctoral de <strong> B\u00e1rbara Safont Resardi <\/strong><\/h2>\n<p>Biodegradation of phenol in a spouted bed reactor with cyclodextrin particles b\u00e1rbara safont department of chemistry and soil science, university of navarra, (spain), 2012. a draft-tube spouted bed bioreactor with different types of aeration was developed to study the aerobic microbial degradation of aqueous phenol using a cyclodextrin-based support material. Since oxygen is a key in aerobic bioprocesses, the influence of different types of aeration on the volumetric mass transfer coefficient, kla, was investigated. The values of kla increased with gas spatial velocity, and decreased with increasing solid load, air flow distribution (spout to total flow ratio) and medium viscosity (carboxymethylcellulose solutions). The proposed correlations for kla predicted the experimental data satisfactorily. Bacteria from activated sludge were acclimated to phenol in a continuous stirred tank bioreactor, and then immobilized onto the hydrogel particles within the spouted bed bioreactor. Microorganisms from cultures obtained in both bioreactors were isolated and characterized. Microbial population distribution in bioreactors was not only affected by phenol concentration, but also by oxygen and nitrogen availability, the system configuration and the presence of intermediates formed during phenol metabolization. A maximum elimination capacity of 6.63 kg-phenol\/m3d was achieved in the spouted bed bioreactor, with burkholderia cepacia being the dominant strain during high degradation periods. Batch experiments were carried out to evaluate the biodegradation of phenol by isolated dominant strains. Higher phenol concentrations inhibited the biomass and reduced the biodegradation rate. The modeling of batch phenol biodegradation indicated that the haldane inhibitory model provided a good fit to the experimental data. Results showed that acinetobacter baumannii and burkholderia cepacia yielded the maximum specific growth rates.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Biodegradaci\u00f3n de fenol en un reactor en r\u00e9gimen de spouted bed con part\u00edculas de ss-ciclodextrina<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Biodegradaci\u00f3n de fenol en un reactor en r\u00e9gimen de spouted bed con part\u00edculas de ss-ciclodextrina <\/li>\n<li><strong>Autor:<\/strong>\u00a0 B\u00e1rbara Safont Resardi <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 28\/06\/2012<\/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 Javier Pe\u00f1as Esteban<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda  jose San Jos\u00e9 alvarez <\/li>\n<li>Mar\u00eda isabel Garc\u00eda jal\u00f3n de la lama (vocal)<\/li>\n<li>francesc Prenafeta bold\u00fa (vocal)<\/li>\n<li>Ana El\u00edas saenz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de B\u00e1rbara Safont Resardi Biodegradation of phenol in a spouted bed reactor with cyclodextrin particles b\u00e1rbara safont department [&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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