Mostrando ítems 1-20 de 39
Santos Clotas, Eric (Fecha de defensa: 2019-11-08)
The anaerobic digestion of organic matter causes the formation of biogas that can be used in energy conversion systems for the production of electricity and heat, injection into the gas grid or as a fuel. However, biogas ...
Garau, Enrica (Fecha de defensa: 2022-01-31)
This doctoral thesis aims to identify and characterize the relationships between stakeholders and water resources through the sociocultural and spatial analysis of the water ecosystem services (WES) in the social-ecological ...
Mamo, Julian (Fecha de defensa: 2018-12-11)
The combination of two membrane technologies coupled together in series has become a standard technology when it comes to producing reclaimed water of high quality for potable reclamation or industrial applications. This ...
Batlle Vilanova, Pau (Fecha de defensa: 2016-11-25)
In 2015 the average concentration of CO2 in the atmosphere exceeded 400 ppm. Some technologies, including CO2 capture and storage, are palliative. However, the development of alternatives to burning of fossil fuels focuses ...
Coma Bech, Marta (Fecha de defensa: 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 ...
Romero Vargas, Marilyn (Fecha de defensa: 2005-03-10)
El paisaje, concebido como una unidad espacial y temporalmente pluriescalar caracterizada por unos patrones de distribución - una estructura-, unas funciones y una red de flujos de materia, energía e información (Forman ...
Ventura Pujolar, Montserrat (Fecha de defensa: 2005-05-06)
Conflictes socioterritorials i participació pública en la gestió de l'aigua de la conca del riu Muga (Alt Empordà) és un treball que incideix sobre la conflictivitat en la gestió dels rius mediterranis i prospecta en la ...
Matías González, Alberto (Fecha de defensa: 2006-01-19)
The research subject comes as a result of the need to implement sustainable practices in agriculture, in order to confront the environmental deterioration. The research aspires to explain the relation between peasant ...
Dunjó Denti, Gemma (Fecha de defensa: 2004-03-15)
La desertificació és un problema de degradació de sòls de gran importància en regions àrides, semi-àrides i sub-humides, amb serioses conseqüències ambientals, socials i econòmiques com a resultat de l'impacte d'activitats ...
Monclús Sales, Hèctor (Fecha de defensa: 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 ...
Ferrero, Giuliana (Fecha de defensa: 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 ...
Alemán García, Mercedes (Fecha de defensa: 2005-10-17)
A detailed inventory of GHG based on the year 2002 was developed as part of the initial diagnosis of the emission of greenhouse gases (GHG) in the Province of Matanzas. This inventory was the first of provincial level ...
Mora Crespo, Joan (Fecha de defensa: 2004-10-28)
El present estudi té com a principal objectiu el disseny d'un Sistema d'informació Ambiental<br/>(SIA). El principal instrument utilitzat per obtenir la informació amb aquest sistema d'informació són els indicadors. ...
Turon Planella, Clàudia (Fecha de defensa: 2007-01-19)
Els Sistemes d'Aiguamolls Construïts (SAC) de Flux Subsuperficial Horitzontal (FSH) és una tecnologia apropiada pel sanejament d'aigües residuals procedents de nuclis de població petits. No obstant els SAC de FSH són ...
Bou Manobens, Jordi (Fecha de defensa: 2019-04-11)
The sessile oak Quercus petraea is widespread in Central Europe. The populations in the NE Iberian Peninsula are at the southernmost limit of the species range, in the most Mediterranean-type conditions and at the xeric ...
Ceballos-Escalera Lopez, Alba (Fecha de defensa: 2024-03-20)
Water stands out as the most essential resource currently under serious threat. The combination of water scarcity and increasing pollution of available water poses significant challenges to governance and society. Typically, ...
Mercadal i Corominas, Gabriel (Fecha de defensa: 2019-11-13)
The hay meadows in the Mediterranean region of Catalonia. Geobotanical characterisation, agri-environmental assessment, and study of the phytosociological relationships between hay meadows in Western Europe We locate ...
Gil Unday, Zuleiqui (Fecha de defensa: 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 ...
Martínez Lozano, Sergio (Fecha de defensa: 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 ...
Hoyo Leal, Alberto del (Fecha de defensa: 2006-06-15)
En este trabajo se ha estudiado el género Androcymbium (Colchicaceae) a dos niveles: macro- y micro- evolutivo. A nivel microevolutivo se ha obtenido que para las especies de Sudáfrica oriental la componente interpoblacional ...