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 ...

    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 ...

    Control basat en lògica difusa per sistemes de fangs activats. Disseny, implementació i validació en EDAR reals 

    Fiter i Cirera, Mireia (Date of defense: 2006-03-24)

    En aquesta tesi es presenten dues propostes de Sistemes de Control basats en Lògica Difusa (SCLD), des del seu disseny fins a la seva implementació i validació en dues instal·lacions: l'EDAR Granollers i l'EDAR Taradell.<br/>El ...

    Coordinated management of urban wastewater systems by means of advanced environmental decision support systems 

    Murlà Tuyls, Damián (Date of defense: 2013-05-17)

    In the last decades and due to the Water Framework Directive implementation, the urban wastewater cycle management has become more complex. The concept of integrated urban wastewater system management is introduced, and ...

    Desenvolupament d'un sistema de suport a la decisió ambiental per a la gestió de les infraestructures hidràuliques, amb l'objectiu de garantir la qualitat de l'aigua a la Conca del Besòs 

    Devesa i Peiró, Francesc (Date of defense: 2006-03-24)

    Aquesta tesi presenta un projecte de gestió integral d'infraestructures hidràuliques de sanejament a la Conca del riu Besòs. S'han considerat dos sistemes de sanejament (La Garriga i Granollers) amb les seves respectives ...

    Development of an air-scour control system for membrane bioreactors 

    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 ...

    Development of an environmental decision support system for the selection and integrated assessment of process flow diagrams in wastewater treatment 

    Garrido Baserba, Manel (Date of defense: 2013-03-04)

    The wastewater treatment plays an important role in the maintenance of natural water resources. However, regardless of the technology used or the level of treatment required, the treatment plants of the XXI century are ...

    Diagnosis, assessment and optimisation of the design and operation of municipal MBRs 

    Gabarrón Fernández, Sara (Date of defense: 2014-05-16)

    This thesis is based on diagnosing, assessing and optimising the design and operation of membrane bioreactors (MBR) used for treating municipal wastewater. Specifically, this thesis has been carried out within the framework ...

    Effects of operational conditions on the performance of a partial nitritation SBR treating high nitrogen loads 

    Gabarró i Bartual, Jordi (Date of defense: 2014-07-18)

    The biological treatment of industrial wastewater containing high nitrogen concentrations (>1000 mg N L-1) and low biodegradable organic matter (bCOD) such as landfill leachate is nowadays challenging. Conventional ...

    Eliminación de compuestos causantes de olores mediante adsorbentes/catalizadores obtenidos a partir de lodos de depuradora 

    Ros Sans, Anna (Date of defense: 2006-12-16)

    El aumento de la cantidad de lodos y las dificultades inherentes a su aplicación agrícola y/o disposición en vertederos, hace necesario encontrar nuevas alternativas para su gestión. A nivel europeo, hoy en día se tiende ...

    Integrating computational fluid dynamics and biological model to assess wastewater reactor design 

    Vilà-Rovira, Albert (Date of defense: 2017-10-20)

    This doctoral thesis has integrated biological models (activated sludge models “ASM”) with simulation tools of computational fluid dynamics “CFD”, and has applied them to the design of two advanced technologies for wastewater ...

    Management of industrial wastewater discharges in river basins through agents'argumentation 

    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 ...

    Minimisation and abatement of volatile sulphur compounds in sewage sludge processing 

    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 ...

    Multi-scale investigation of occurrence, fate, removal and biodegradation of pharmaceutical contamination in wastewater treatment and river systems 

    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 ...

    Procesos secuenciales de adsorción/oxidación con H2O2 para la eliminación de compuestos orgánicos volátiles 

    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 ...

    SBR technology for wastewater treatment: suitable operational conditions for a nutrient removal 

    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 ...

    Sistema d'ajut a la decisió per la selecció de sistemes de sanejament 

    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 ...