Now showing items 21-40 of 44

    Development, implementation and evaluation of an activated sludge supervisory system for the Granollers WWTP 

    Comas Matas, Joaquim (Date of defense: 2000-12-14)

    La present tesi pretén recollir l'experiència viscuda en desenvolupar un sistema supervisor intel·ligent per a la millora de la gestió de plantes depuradores d'aigües residuals., implementar-lo en planta real (EDAR Granollers) ...

    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 ...

    Electrochemical control and minimization of hydrogen sulfide formation in anaerobic systems 

    Sergienko, Natalia (Date of defense: 2021-10-13)

    Formation of hydrogen sulfide represents a major challenge in the operation of wastewater collection systems. Hydrogen sulfide is malodourous and toxic gas, which causes corrosion of pipes, wells, and constructions, hence ...

    Eliminació d'ions metàl·lics d'aigües residuals d'una indústria de recobriment de superfícies mitjançant residus vegetals 

    Pujol Oriola, David (Date of defense: 2015-04-09)

    Els ions metàl·lics són contaminants no biodegradables que es poden trobar a les aigües i que poden acumular-se en els organismes vius, causant diverses malalties i trastorns. Un dels metalls més contaminant i àmpliament ...

    Estudi del comportament de sistemes biològics de depuració d'aigües residuals mitjançant models mecanístics, optimitzant la informació disponible de les dades obtingudes en línia 

    Colprim Galceran, Jesús (Date of defense: 1998-07-20)

    The use of simulation as an upgrading tool has been tested on real wastewater treatment plants (WWTP). Currently, the new WWTP have the possibility to monitor some process variables as the flows, oxygen concentrations and, ...

    Estudio de la aplicación de sistemas basados en el conocimiento a la operación de una planta de tratamiento de residuos sólidos urbanos por valorización energética 

    Llauró Fábregas, Xavier (Date of defense: 1999-12-17)

    Una de las actuaciones posibles para la gestión de los residuos sólidos urbanos es la valorización energética, es decir la incineración con recuperación de energía. Sin embargo es muy importante controlar adecuadamente el ...

    Evaluation and comparison of advanced treatment technologies to enhance the removal of pharmaceutical active compounds from wwtp secondary effluent 

    Sbardella, Luca (Date of defense: 2019-05-22)

    The presence of several pharmaceutical active compounds (PhACs) in water bodies has garnered increasing attention and worldwide concern. The effluents from wastewater treatment plants (WWTPs) are one of the main sources ...

    Fugitive green-house gas emissions during biological wastewater treatment: investigating sources and mitigation strategies in laboratory and full-scale systems 

    Rodríguez-Caballero, Adrián (Date of defense: 2015-03-20)

    The exponential increase of the atmospheric concentration of green-house gases due to human activities is responsible for the acceleration of global warming and climate change. Recently, scientific studies have pointed ...

    Greenhouse gas emissions from wastewater treatment processes: identifying triggering factors at laboratory and full-scale systems 

    Ribera Guàrdia, Anna (Date of defense: 2017-12-12)

    This thesis focuses on the study of the global green house gas (GHG) emissions from wastewater systems. Nitrous oxide (N2O) and methane (CH4) are the main GHG directly emitted from wastewater treatment plants (WWTP). In ...

    Identificació de paràmetres cinètics i estequiomètrics del procés de depuració de fangs actius mitjançant tècniques respiromètriques 

    Gutiérrez Garcia-Moreno, Oriol (Date of defense: 2003-10-16)

    El sistema de depuració de tipus Fangs Actius constitueix una de les tècniques més esteses arreu del món pel tractament biològic de les aigües residuals. Els softwares de modelització i simulació permeten adquirir ...

    Implementació d'eines avançades de control per a l'eliminació de nitrogen i optimització dels costos energètics a l'EDAR de la Vall del Ges 

    Pellicer Johera, Neus (Date of defense: 2014-03-31)

    WWTP present two issues: 1) Get adequate depuration performance; 2) Do it with minimal costs. There are many strategies that can be applied to achieve these requirements, but they cannot be applied indiscriminately. In ...

    Integrated assessment of wastewater treatment plants and their receiving river systems in a global change context 

    Aymerich Blazquez, Ignasi (Date of defense: 2019-01-22)

    For a long time, there has been a need and an ambition to better understand the behavior of integrated systems by considering the whole urban water cycle, including wastewater transportation, wastewater treatment and the ...

    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 ...

    Knowledge-based modelling and simulation of operational problems of microbiological origin in wastewater treatment plants 

    Dalmau Solé, Jordi (Date of defense: 2009-11-13)

    The activated sludge and anaerobic digestion processes have been modelled in widely accepted models. Nevertheless, these models still have limitations when describing operational problems of microbiological origin. The aim ...

    Metodologia de disseny conceptual d'estacions depuradores d'aigües residuals que combina el procés de decisió jeràrquic amb l'anàlisi de decisions multicriteri 

    Vidal Roberto, Núria (Date of defense: 2004-03-12)

    La present tesi proposa una metodologia de disseny conceptual d'estacions depuradores d'aigües residuals (EDAR) mitjançant la combinació del procés de decisió jeràrquic i l'anàlisi de decisions multicriteri. El document ...

    Operation and control of SBR processes for enhanced biological nutrient removal from wastewater 

    Puig Broch, Sebastià (Date of defense: 2008-01-15)

    In the last decades, the awareness of environmental issues has increased in society considerably. There is an increasing need to improve the effluent quality of domestic wastewater treatment processes. This thesis describes ...

    Operational strategies towards nitritation-anammox implementation for mainstream municipal wastewater treatment 

    Akaboci, Tiago Rogeiro Vitor (Date of defense: 2019-07-15)

    Anammox-based processes have been commonly applied for the treatment of reject water (high nitrogen content and low C:N ratio), in the sidestream line of urban wastewater tretament plants (WWTP). However, in recent years, ...

    Pharmaceutical and personal care products removal by advanced treatment technologies 

    Chtourou, Mariem (Date of defense: 2018-10-25)

    This thesis evaluates different technologies for treating wastewater with high concentrations of PPCPs. Firstly, a state-of-art revision of advanced treatment technology for removing Triclosan (TCS) from waste water was ...

    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 ...

    Resilience of water resource recovery facilities: a framework for quantitative model-based assessment 

    Juan García, Pau (Date of defense: 2019-02-04)

    The water sector is entering a period of uncertainty, as stressors such as climate change pose unknown risks to its infrastructure. Utilities need to build resilience to handle unpredictable changes, but the field of ...