Now showing items 77-96 of 124

    Identificació de paràmetres cinètics i estequiomètrics del procés de depuració de fangs actius mitjançant tècniques respiromètriques 

    Gutiérrez Garcia-Moreno, Oriol (Date of defense: 2003-10-16)

    El sistema de depuració de tipus Fangs Actius constitueix una de les tècniques més esteses arreu del món pel tractament biològic de les aigües residuals. Els softwares de modelització i simulació permeten adquirir ...

    Implementació d'eines avançades de control per a l'eliminació de nitrogen i optimització dels costos energètics a l'EDAR de la Vall del Ges 

    Pellicer Johera, Neus (Date of defense: 2014-03-31)

    WWTP present two issues: 1) Get adequate depuration performance; 2) Do it with minimal costs. There are many strategies that can be applied to achieve these requirements, but they cannot be applied indiscriminately. In ...

    Importance of hydrogen-mediated mechanisms for microbial electrosynthesis: regulation at the molecular level 

    Perona Vico, Elisabet (Date of defense: 2022-01-28)

    Microbial electrosynthesis (MES) is engineered to use electric power and carbon dioxide (CO2) as the only energy and carbon sources in reductive bioelectrochemical processes for biosynthesis. This technology is conducted ...

    Influence of feeding restriction and dietary phosphorus levels on body tissue composition evaluated in vivo by computed tomography, bone mineralisation and sensory properties of the meat from gilts 

    Luo, Xin (Date of defense: 2019-12-19)

    Feeding strategy is very important for farmers to improve pig productive parameters and keep its competitive advantage in the market. The computed tomography (CT) technology can evaluate the effect of feeding strategy on ...

    Integrated assessment of wastewater treatment plants and their receiving river systems in a global change context 

    Aymerich Blazquez, Ignasi (Date of defense: 2019-01-22)

    For a long time, there has been a need and an ambition to better understand the behavior of integrated systems by considering the whole urban water cycle, including wastewater transportation, wastewater treatment and the ...

    Integrated management of bacterial spot disease of stone fruits caused by Xanthomonas arboricola pv. pruni: development of a disease forecasting system 

    Morales Nicolàs, Gerard (Date of defense: 2018-04-12)

    Bacterial spot disease of stone fruits, caused by Xanthomonas arboricola pv. pruni, is of high economic importance in the major stone-fruit-producing areas worldwide. Disease control is mainly based on preventive measures, ...

    Integrated management of urban wastewater systems: a model-based approach 

    Prat Busquets, Pau (Date of defense: 2012-02-26)

    The main objective pursued in this thesis targets the development and systematization of a methodology that allows addressing management problems in the dynamic operation of Urban Wastewater Systems. The proposed methodology ...

    Integrated operation of membrane bioreactors: simulation and experimental studies 

    Dalmau Figueras, Montserrat (Date of defense: 2014-10-17)

    Membrane bioreactors (MBR) are a combination of common bioreactors and membrane filtration units for biomass retention, presenting unique advantages like high effluent quality and a smaller footprint than the one by ...

    Integrating computational fluid dynamics and biological model to assess wastewater reactor design 

    Vilà-Rovira, Albert (Date of defense: 2017-10-20)

    This doctoral thesis has integrated biological models (activated sludge models “ASM”) with simulation tools of computational fluid dynamics “CFD”, and has applied them to the design of two advanced technologies for wastewater ...

    Interacció Pseudomonas syringae pv. syringae-perera. Factors determinants i activitat de diversos fosfonats en el desenvolupament de la malaltia 

    Moragrega i Garcia, Concepció (Date of defense: 1997-10-24)

    Blast of pear caused by Pseudomonas syringae pv. syringae is one of the bacterial disease that limit pear production throughout the world. Symptoms are characterized by blast of buds and blossoms wich causes significant ...

    Knowledge-based modelling and simulation of operational problems of microbiological origin in wastewater treatment plants 

    Dalmau Solé, Jordi (Date of defense: 2009-11-13)

    The activated sludge and anaerobic digestion processes have been modelled in widely accepted models. Nevertheless, these models still have limitations when describing operational problems of microbiological origin. The aim ...

    Materiales compuestos a partir de filamentos naturales y matriz plástica biobasada, y sus posibles aplicaciones tecnológicas 

    Séculi, Faust (Date of defense: 2023-10-11)

    Nowadays the problem of climate change on planet Earth has aggravated, it has become extremely important to find solutions that considerably reduce or even eliminate its causes. Among the set of solutions that have been ...

    Materiales compuestos de una poliamida de origen renovable y fibras naturales de alto rendimiento: una sólida alternativa a los materiales compuestos de polipropileno reforzados con fibra de vidrio 

    Oliver Ortega, Helena (Date of defense: 2018-07-20)

    The main goal of this thesis is the production and characterization of composites materials from a bio-based polyamide and natural fibres which could be more sustainable alternative to glass fibre reinforced polypropylene. ...

    Mejora de la seguridad alimentaria en productos cárnicos listos para el consumo mediante la aplicación combinada de tecnologías de conservación emergentes 

    Marcos Muntal, Begonya (Date of defense: 2007-06-25)

    La demanda creixent de productes mínimament processats i llestos per al consum planteja un important repte per a la seguretat alimentaria i ha conduit al desenvolupament de tractaments suaus que permetin inhibir el creixement ...

    Metal ions removal from polluted waters by sorption onto exhausted coffee waste. Application to metal finishing industries wastewater treatment 

    Liu, Chang (Date of defense: 2014-10-15)

    A new technology for Cr(VI) and divalent metal ions removal based on metal sorption onto exhausted coffee waste has been developed. Physical and chemical characterization of exhausted coffee waste was explored as well as ...

    Metodologia de disseny conceptual d'estacions depuradores d'aigües residuals que combina el procés de decisió jeràrquic amb l'anàlisi de decisions multicriteri 

    Vidal Roberto, Núria (Date of defense: 2004-03-12)

    La present tesi proposa una metodologia de disseny conceptual d'estacions depuradores d'aigües residuals (EDAR) mitjançant la combinació del procés de decisió jeràrquic i l'anàlisi de decisions multicriteri. El document ...

    Métodos estadísticos para evaluar la calidad del café 

    Salamanca Romero, Claudia Alejandra (Date of defense: 2015-04-13)

    La presente tesis realizó el análisis y evaluación de los métodos estadísticos para valorar la calidad del café. En este sentido, se dio un aporte para tratar de cuantificar y cualificar la calidad del café mediante las ...

    Modificaciones tecnológicas para mejorar la seguridad y calidad del jamón curado 

    Sánchez Molinero, Filiberto (Date of defense: 2004-03-19)

    Se introdujeron varias modificaciones tecnológicas en la elaboración habitual del jamón curado español de cerdo blanco para mejorar su seguridad y calidad, así como para investigar la contribución relativa de los diversos ...

    Modificacions en la dinàmica de processat i en les característiques finals de productes carnis amb contingut reduït de sodi 

    Costa Corredor, Anna (Date of defense: 2010-10-01)

    In recent years, several studies have linked sodium intake to hypertension, and the consequent mortality risk due to vascular diseases. Several UE member states and the WHO recommend reducing the salt intake level to a ...

    Modificació de fibres de jute per l'elaboració de plàstics reforçats reciclables 

    Corrales Barbé, Farners (Date of defense: 2002-07-29)

    El treball que s'ha dut a terme es centra en la recerca d'agents modificants per a fibres cel·lulòsiques capaços de reduir la polaritat de les funcions alcohol de la seva estructura per formació de funcions ester. Les ...