{"id":58104,"date":"2018-03-09T22:45:58","date_gmt":"2018-03-09T22:45:58","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/modelo-matematico-de-los-reactores-de-digestion-de-lodos-de-e-d-a-r\/"},"modified":"2018-03-09T22:45:58","modified_gmt":"2018-03-09T22:45:58","slug":"modelo-matematico-de-los-reactores-de-digestion-de-lodos-de-e-d-a-r","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/tecnologia-de-aguas-residuales\/modelo-matematico-de-los-reactores-de-digestion-de-lodos-de-e-d-a-r\/","title":{"rendered":"Modelo matem\u00e1tico de los reactores de digesti\u00f3n de lodos de e.d.a.r."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Monica De Gracia Igelmo <\/strong><\/h2>\n<p>Titulo: modelado matem\u00e1tico de los reactores de digesti\u00f3n de lodos de e.D.A.R   la tesis presenta el desarrollo, verificaci\u00f3n experimental y algunos ejemplos de aplicaci\u00f3n de un nuevo modelo matem\u00e1tico para la descripci\u00f3n de los procesos de digesti\u00f3n de los lodos producidos en las estaciones depuradoras de aguas residuales urbanas (edar).  El objetivo global de la tesis es el desarrollo de un modelo matem\u00e1tico capaz de describir los procesos de digesti\u00f3n aerobia y anaerobia de los lodos de edar. La estructura de este modelo debe facilitar su futura conexi\u00f3n con los modelos matem\u00e1ticos que reproducen otros procesos unitarios incluidos en las l\u00edneas de tratamiento de aguas de las edar. Con este fin, se ha utilizado una metodolog\u00eda sistem\u00e1tica de modelado de procesos unitarios que garantiza los balances masicos y de energ\u00eda tanto en las conexiones entre los diferentes procesos como en todas y cada una de las transformaciones que en ellos tienen lugar. Siguiendo estas pautas metodol\u00f3gicas, el modelo desarrollado incluye y reproduce las principales transformaciones biol\u00f3gicas y f\u00edsico-qu\u00edmicas que tienen lugar en los reactores de digesti\u00f3n, considerando su efecto en los compuestos presentes, en la temperatura y en el ph, as\u00ed como el efecto de \u00e9stos \u00faltimos en la din\u00e1mica de las propias transformaciones. Se han determinado los puntos clave de calibraci\u00f3n del modelo y se han desarrollado las herramientas inform\u00e1ticas necesarias para su resoluci\u00f3n num\u00e9rica ante condiciones din\u00e1micas. Para el caso de condiciones estacionarias, se ha desarrollado un m\u00e9todo de resoluci\u00f3n algebraica del modelo que permite simplificar y acelerar la exploraci\u00f3n de la respuesta del digestor ante diferentes condiciones de operaci\u00f3n as\u00ed como utilizar t\u00e9cnicas de optimizaci\u00f3n para seleccionar el dise\u00f1o m\u00e1s apropiado en cada caso de estudio. El modelo de digesti\u00f3n desarrollado ha sido verificado experimentalmente con resultados de digestores a escala real, piloto y de laboratorio en condiciones aerobias y anaerobias con fango procedente de una edar real. Se ha profundizado en los puntos clave para la calibraci\u00f3n del modelo desarrollado, que corresponden a la caracterizaci\u00f3n del fango de alimentaci\u00f3n y a la estimaci\u00f3n de los par\u00e1metros que describen la desintegraci\u00f3n inicial del fango. Tambi\u00e9n se han estimado los par\u00e1metros necesarios para calibrar el modelo en condiciones aerobias term\u00f3filas. Finalmente, se ha realizado un an\u00e1lisis t\u00e9cnico-econ\u00f3mico, mediante simulaci\u00f3n num\u00e9rica con el modelo desarrollado, para determinar la mejor alternativa de tratamiento de fango de edar en un caso de estudio real. this thesis presents the development, the experimental verification and some examples of how to apply of a new mathematical model that describes the digestion processes of waste sludge produced in urban wastewater treatment plants (wwtp). The global objective of this thesis is the development of a mathematical model capable of describing aerobic and anaerobic wwtp sludge digestion processes. The model structure should facilitate its connections to mathematical models that reproduce other unitary processes included in the water treatment line of the wwtp. With this aim, a systematic methodology for the development of unit process models has been used. This methodology guarantees the continuity between the mass and the charge in the connections between different processes as well as in every transformation that takes place within them. Following these methodological guidelines, the model developed includes and reproduces the main biological, physical and chemical transformations occurring in the digestion reactors, considering their effect on the present compounds, on the temperature and on the ph, as well as the effect of the temperature and the ph on the transformation dynamics. The key points of the model calibration have been determined and the software needed for its numerical resolution under dynamic conditions has been developed. For stationary conditions, an algebraic solution method for the model has been developed in order to simplify and speed up the exploration of the digester output under different operational conditions, and also to allow the application of optimisation techniques to select the optimal design for a given case study. The model developed has been experimentally verified with the results obtained from full scale digesters, pilot plants and laboratory reactors in both aerobic and anaerobic conditions, treating the sludge produced in a real wwtp. The key points of the model calibration have been analysed in depth, estimating carefully the inflow sludge characterisation and the parameters that describe the initial sludge disintegration and hydrolysis. The parameters needed to calibrate the model under thermophilic aerobic conditions have also been estimated.  Finally, a technical and economical assessment has been carried out by numeric simulation with the model developed in order to determine the best alternative for the wwtp sludge treatment in a real case study<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Modelo matem\u00e1tico de los reactores de digesti\u00f3n de lodos de e.d.a.r.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Modelo matem\u00e1tico de los reactores de digesti\u00f3n de lodos de e.d.a.r. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Monica De Gracia Igelmo <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/04\/2007<\/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>Eduardo Ayesa Iturralde<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: manuel Fuentes perez <\/li>\n<li>andoni Urruticoechea ribate (vocal)<\/li>\n<li>Juan  Manuel Lema rodicio (vocal)<\/li>\n<li>Juan  Antonio Baeza labat (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Monica De Gracia Igelmo Titulo: modelado matem\u00e1tico de los reactores de digesti\u00f3n de lodos de e.D.A.R 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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