A dynamic knowledge-based decision support system to handle solids separation problems in activated sludge systems: development and validation 

    Martínez i Puentes, Montse (Date of defense: 2006-02-03)

    El sistema de fangs activats és el tractament biològic més àmpliament utilitzat arreu del món per la depuració d'aigües residuals. El seu funcionament depèn de la correcta operació tant del reactor biològic com del decantador ...

    Abatement of siloxanes in sewage biogas: coupling adsorption and biological treatments 

    Santos Clotas, Eric (Date of defense: 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 ...

    Adsorbentes preparados a partir de residuos y su aplicación en la eliminación de compuestos causantes de olores (NH3 y H2S) 

    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 ...

    Adsorbents a partir de fangs biològics excedents de depuradora mitjançant l'aplicació de microones: estudi d'obtenció, caracterització i aplicació en fase líquida 

    Serra Bigas, Elvira (Date of defense: 2004-03-04)

    El fang biològic es produeix en les plantes de tractament d'aigües residuals urbanes i industrials. El tractament i la gestió dels fangs és un dels problemes més importants en el camp del tractament de les aigües residuals. ...

    Analysis, occurrence, fate and behaviour of emerging micropollutants in wastewater and the receiving environment 

    Gusmaroli, Lucia (Date of defense: 2020-05-25)

    The presence of xenobiotics - such as pharmaceutically active compounds, endocrine disrupting compounds and pesticides - in the aquatic environment has risen great environmental concern due to their high toxicity even at ...

    Analytical methodology based on a silicone rod (SR) micro extraction combined with HPLC-DAD method for the determination of pharmaceuticals and antibacterial products in effluent wastewaters: characterization of the sorption removal processes by cork 

    Mallek, Maryam (Date of defense: 2018-10-25)

    Solid-phase microextraction (SPME) allow the achievement of high enrichment levels by using small volumes of solvents, enabling the low detection limits required for the determination of ketoprofen, naproxen, carbamazepine, ...

    Assessment of struvite and K-struvite recovery from digested manure 

    Tarragó Abella, Elena (Date of defense: 2018-03-09)

    Human population has had an impact on the natural phosphorus’ cycle, a limited resource, and the predictions show that this resource could be exhausted in 100-250 years. Therefore, the actions for the coming 10-25 years ...

    Avaluació del paradigma d'agents en la gestió d'un sistema complex d'aigües residuals 

    Verdaguer Planas, Marta (Date of defense: 2012-12-21)

    The thesis presents and evaluates the application of the paradigm of agents to the management of the urban wastewater system. The system is conceptualised as a multi-agent system from the development of the models of ...

    Bioelectrochemical systems for ammonium removal in contaminated water 

    Osset Álvarez, Miguel (Date of defense: 2023-03-08)

    Summary Nowadays, ammonium (NH4+) is a pollutant present in all kinds of water bodies, leading to multiple environmental and health issues. The current NH4+-removing technologies are very expensive, as they require a lot ...

    Biological nutrient removal in SBR technology: from floccular to granular sludge 

    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 ...

    Bioremediation of nitrate-polluted groundwater using bioelectrochemical systems 

    Pous Rodríguez, Narcís (Date of defense: 2015-05-28)

    The presence of nitrates (NO3-) in groundwater is a worldwide concern. The high energy demand and environmental impact of available technologies requires investigating new technologies. This thesis was focused on investigating ...

    Canvis recents en el consum i la gestió de l'aigua en espais turístics. El cas de la Costa Brava (Girona) 

    Gabarda Mallorquí, Ariadna (Date of defense: 2017-02-13)

    Tourism has become one of the most important economic sectors in the Mediterranean coast. Despite the economic benefits generated by tourism at local and regional level, the environmental impacts related to water consumption ...

    Caracterització del suro i subproductes de la indústria surera. Valoració d'aquests com a biosorbents d'hidrocarburs aromàtics policíclics en aigües d'escorrentia 

    Jové Martín, Patricia (Date of defense: 2016-01-20)

    The main objective of this thesis is to characterize and evaluate the capacity of cork and by-products of the cork industry (collectively called as cork samples) as biosorbents of aqueous polycyclic aromatic hydrocarbons ...

    Carbon and nitrogen treatment in industrial wastewaters using bioelectrochemical systems 

    Vilajeliu Pons, Anna (Date of defense: 2017-05-26)

    The doctoral thesis has focused on the simultaneous removal of carbon and nitrogen in BES for future application in the treatment of industrial wastewater as swine manure. The bacteria that use the electrode as electron ...

    Characterization of adsorption processes for the removal of metal ions from waste effluents using biosorbents and graphene-based sorbents. Studies in Batch and in fixed-bed column 

    Ben Amar, Marwa (Date of defense: 2021-10-22)

    Wastewater discharged from industrial and agricultural activities contains relatively large amounts of toxic metal ions, especially including Cd(II), Cu(II), Pb (II), and Cr(VI). The removal of these pollutants is of ...

    Characterization of dissolved organic matter in wastewater using liquid chromatography-high resolution mass spectrometry 

    Verkh, Yaroslav (Date of defense: 2019-01-28)

    Individual hazardous chemicals and substance mixtures with synergistic toxicity ef-fects occur in the dissolved organic matter (DOM) of wastewater and negatively im-pact human health. Yet a large number of chemicals and ...

    Chemometric methods to process online spectrometry for quality monitoring of different water matrices 

    Plà Castellana, Mireia (Date of defense: 2023-02-24)

    Water quality monitoring during the purification and sanitation processes in Drinking Water Treatment Plants (DWTP), Wastewater Treatment Plants (WWTP) and Water Reclamation Plants (ERA) is a necessary step to obtain a ...

    Combining forward osmosis and anaerobic membrane bioreactor technologies for raw municipal wastewater treatment 

    Ferrari, Federico (Date of defense: 2020-10-14)

    In this thesis, different studies were performed to investigate the combination of FO for the pre-concentration of municipal WW with an anaerobic membrane bioreactor (AnMBR) for the production of biogas. Firstly, a ...

    Comprehensive inventories for Life Cycle Assessment in urban wastewater systems 

    Morera Carbonell, Sadurní (Date of defense: 2016-02-19)

    This thesis represents an important contribution to facilitate the efficient creation of detailed inventories to carry out Life Cycle Assessment (LCA) studies of urban wastewater systems. Specifically, this thesis provides ...

    Conceptual design of wastewater treatment plants using multiple objectives 

    Flores Alsina, Xavier (Date of defense: 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 tecnologies per tractar ...