Now showing items 50-69 of 74
Aulinas Masó, Montse (Date of defense: 2009-10-14)
La gestió de l'aigua residual és una tasca complexa. Hi ha moltes substàncies contaminants conegudes però encara moltes per conèixer, i el seu efecte individual o col·lgectiu és difícil de predir. La identificació i avaluació ...
Vega Martínez, Esther (Date of defense: 2014-07-30)
Environmental pollution related to odour emission has become in the last years an important public concern. Closeness of odour-causing facilities such as waste water treatment plants (WWTPs) to urban areas further aggravates ...
Collado Alsina, Neus (Date of defense: 2013-07-19)
Human and veterinary pharmaceuticals have been recognized as ubiquitous water microcontaminants with potential subtle detrimental effects on aquatic organisms. The majority of pharmaceutical compounds, after being consumed ...
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 ...
Muñoz Quintero, William (Date of defense: 2024-06-07)
There are approximately 608 million farms in the world, of which 84% are small farms and produce 35% of the world's food. Various training programs have been promoted by different organizations to achieve a more sustainable ...
Canals Tuca, Joan (Date of defense: 2024-05-21)
This doctoral thesis focuses on the High Rate Activated Sludge (HRAS) process, which emerges as an alternative to the primary clarifier in activated sludge systems (CAS) to reduce energy consumption, analysing its effects ...
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 ...
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 ...
Pastor Saberi, Roser (Date of defense: 2017-02-24)
Border landscapes often constitute geographical unities which have experimented distinct landscapes dynamics in each side of the border. This fact occurs because these border landscapes belong to different countries. The ...
Torres Bagur, Maria (Date of defense: 2020-09-25)
This thesis analyses the perception of climate change and problems with water perceived by lodging industry. 33 in-depth interviews to owners or managers of hotels, campsites and rural lodgings of the Muga river basin have ...
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, ...
Roura i Pascual, Núria (Date of defense: 2006-12-12)
La formiga argentina (Linepithema humile) es troba entre les espècies més invasores: originària d'Amèrica del Sud, actualment ha envaït nombroses àrees arreu del món. Aquesta tesi doctoral intenta fer una primera anàlisi ...
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 ...
Ortiz Durà, Jesús (Date of defense: 2005-06-30)
Vam monitoritzar paràmetres físics i químics, macroinvertebrats bentònics, clorofil·la a, productors primaris i matèria orgànica durant un any (2001-2002) per examinar els efectes d'una font puntual sobre la composició ...
Rovira Alsina, Laura (Date of defense: 2022-12-02)
Carbon dioxide (CO2) is largely emitted in the ignition of fossil fuels for transport, electricity generation or other industrial processes. CO2 is an inorganic compound that exists naturally on Earth, but its concentration ...
Vives Fàbregas, M. Teresa (Date of defense: 2004-11-29)
Actualment, la legislació ambiental ha esdevingut més restrictiva pel que fa a la descàrrega d'aigües residuals amb nutrients, especialment en les anomenades àrees sensibles o zones vulnerables. Arran d'aquest fet, s'ha ...
Cabrera-Codony, Alba (Date of defense: 2016-07-27)
The thesis deals with removal of organosilicon compounds in the energy recovery of biogas. Alternative adsorbents for the siloxane removal were studied, and the physical and chemical mechanisms involved in the siloxane ...
Castillo Llorens, Alba (Date of defense: 2017-03-17)
The selection of the most appropriate wastewater treatment involves a complex decision making process. For that reason, some tools have been developed in recent years in order to deal with this complexity, as Novedar_EDSS ...
Blasco Gómez, Ramiro (Date of defense: 2020-07-22)
Microbial Electrochemical Technologies (METs) are a promising alternative for capturing and in-situ reducing CO2 through the use of renewable electricity. Microorganisms grown in autotrophic conditions use CO2 as an electron ...
Johansson, Sara (Date of defense: 2019-04-29)
Increasing awareness on the limited nature of the raw materials for the production of inorganic fertilizer is pushing for a shift from removal to recovery of nutrients from waste streams. In municipal wastewater treatment ...