Now showing items 41-60 of 81
Canals Batlle, Carla (Date of defense: 2012-11-30)
This thesis is focused on two environmental issues. The first one is the recovery of different wastes, such as sewage sludge and fly ashes, and the second one is related to the removal of odour causing compounds which are ...
Lara San Martín, Alejandro (Date of defense: 2012-12-11)
This research aims to understand the perception of civil society both organized and unorganized, regarding the problem of floods and their management. This is based on a case study of the following municipalities; Calonge, ...
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 ...
Monclús Sales, Hèctor (Date of defense: 2011-11-08)
The work presented in this PhD thesis includes various partial studies aimed at developing a decision support system for membrane bioreactor integrated control. The decision support systems (DSS) have as a main goal to ...
Ruscalleda Beylier, Maël (Date of defense: 2012-02-17)
This thesis results from the collaborative projects between the LEQUIA-UdG group and Cespa (a company in charge of several landfill sites in Spain). The aim of the work was the development of a suitable alternative treatment ...
Anfruns Bagaria, Alba (Date of defense: 2011-11-25)
Volatile Organic Compounds (VOCs) are one of the main groups of odour causing compounds in Waste Water Treatment Plants (WWTP). Adsorption technology is already established, in recent years the interest for the optimization ...
Gil Unday, Zuleiqui (Date of defense: 2005-10-19)
This work was carried out to study the environmental impacts produced by power generation from biomass (bagasse) in sugar mills in Cuba. For this purpose, with the collaboration of the Center for Energy and Industrial ...
Agüera Cabo, Mercè (Date of defense: 2011-07-08)
In the second half of the twentieth century we saw the environmental debate escalate into one of the most challenging and complex issues that authorities at international, national, regional and municipal levels have to ...
Ferrero, Giuliana (Date of defense: 2011-07-01)
The thesis involves the development and implementation of a new and robust control system based on permeability trends but at the same time capable of reducing aeration proportionally to permeate flux. Permeability was ...
Valdunciel i Coll, Julio (Date of defense: 2011-06-14)
This doctoral thesis offers a quantitative and qualitative analysis of the changes in the urban shape and landscape of the Girona Counties between 1979 and 2006. The theoretical part of the research lies within the framework ...
Coma Bech, Marta (Date of defense: 2011-05-11)
Biological nutrient removal has been studied and applied for decades in order to remove nitrogen and phosphorus from wastewater. However, more anthropogenic uses and the continued demand for water have forced the facilities ...
Wilbrand, Stephanie (Date of defense: 2011-03-01)
En aquesta tesi doctoral es pretén estudiar les diferents polítiques de paisatge a Europa, centrant-se en l’estudi a fons del Conveni Europeu del Paisatge, únic instrument dedicat exclusivament al paisatge. Mitjançant ...
Heras Mena, Sandra (Date of defense: 2010-07-13)
Sovint, la sistemàtica, basada principalment en caràcters morfològics, no es correspon amb els processos evolutius relacionats amb l'aparició dels grups d'organismes. En l'actualitat, la utilització de les dades moleculars ...
Martínez Lozano, Sergio (Date of defense: 2009-04-21)
El objetivo principal es la evaluación de la biomasa como recurso energético renovable en Cataluña. Su alcance requiere el estudio de diversas temáticas, desarrolladas en los doce capítulos que componen el documento.El ...
López Castillo, Helio (Date of defense: 2008-12-01)
La eliminación biológica de nitrógeno amoniacal se ha llevado a cabo, habitualmente, a través del proceso convencional de nitrificación-desnitrificación. Sin embargo, los lixiviados generados en los depósitos controlados ...
Berrocal Vargas, Milena (Date of defense: 2008-09-04)
El Volcán Arenal es un joven estratovolcán (7ka) localizado en el noroeste de Costa Rica. Inicio su presente ciclo eruptivo el 29 de Julio de 1968 con una gran explosión lateral que mató alrededor de 90 personas. <br/><br/>En ...
Soler i Ortega, Marianna (Date of defense: 2008-06-13)
Aquesta tesi permet adquirir una millor comprensió de la dinàmica dels plomalls hidrotèrmics en l'estany de Banyoles i correlacionar la meteorologia amb els processos de fluïdització que s'hi produeixen. S'han trobat els ...
Llausàs i Pascual, Albert (Date of defense: 2008-06-19)
La tesi doctoral és un estudi de l'evolució del paisatge de les closes de l'Alt Empordà entre els anys 1957 i 2001. Dins el marc teòric s'hi explora el concepte de paisatge cultural agrari tradicional, es fa una introducció ...
Varga, Diego (Date of defense: 2007-11-28)
The methodology is focused on the use of digital air photos to monitor changes in land covers and to study its dynamics and its patterns in the last 50 years. The dissertation also take into account the relationship between ...
Pavón, David (Date of defense: 2007-09-28)
La tesi aborda, des d'una perspectiva territorial i històrica, el paper que han jugat les grans infraestructures hidràuliques en dues conques fluvials mediterrànies catalanes: la Muga i el Fluvià (província de Girona). ...