Mostrando ítems 61-70 de 97
Boada Cahueñas, Ellana (Fecha de defensa: 2020-07-20)
Biogas is a highly recognized alternative to fossil fuels towards a sustainable energy production. Massive use of biogas depends on the removal of contaminants that may affect performance of processing ...
Tuulaikhuu, Baigal-Amar (Fecha de defensa: 2016-06-10)
The main aims of this thesis are: i) to evaluate arsenic toxicity in two major, interacting components of the freshwater ecosystem, biofilm and fish, to provide information on environmentally realistic ...
Rubio Gracia, Francesc (Fecha de defensa: 2021-10-27)
This thesis aimed to assess the responses of stream biota to flow alterations, in terms of water velocity increments and reductions of discharge, and to metal pollution. The investigations performed ...
Čelić, Mira (Fecha de defensa: 2020-12-15)
The main objective of this thesis is to evaluate the impact of wastewater discharges on receiving riverine and coastal ecosystems by studying the occurrence and fate of emerging contaminants (ECs). Since ...
Corominas Tabares, Lluís (Fecha de defensa: 2006-05-19)
En aquesta tesis s'ha desenvolupat un sistema de control capaç d'optimitzar el funcionament dels Reactors Discontinus Seqüencials dins el camp de l'eliminació de matèria orgànica i nitrogen de les aigües ...
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. ...
Corcoll i Cornet, Natàlia (Fecha de defensa: 2012-02-20)
Metal pollution in rivers is in great concern with human activities in the fluvial watershed. This thesis aims to investigate the potential use of chl-a fluorescence parameters as biomarkers of metal ...
Flores Alsina, Xavier (Fecha de defensa: 2008-04-28)
La implementació de la Directiva Europea 91/271/CEE referent a tractament d'aigües residuals urbanes va promoure la construcció de noves instal·lacions al mateix temps que la introducció de noves ...
Ortiz Álvarez, Rüdiger (Fecha de defensa: 2018-05-18)
The microbial metacommunity of the Pyrenees mountain range has never been studied at the regional level. In this PhD thesis, the main goal is to describe the taxonomic diversity and reveal the ecological ...
Santamaría Pérez, Jorge (Fecha de defensa: 2021-09-27)
Biological invasions have become one of the most pervasive threats to native ecosystems worldwide, causing species extinctions, disrupting the functioning of ecosystems, altering the provision of critical ...