Biofilm responses to flow intermittency in Mediterranean rivers 

    Colls Lozano, Miriam (Date of defense: 2020-07-31)

    Currently, global change is promoting the spatiotemporal occurrence of temporary streams, altering fluvial ecosystem function and structure, and the ecosystem services they provide. To effectively protect fluvial ecosystems, ...

    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 ...

    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 ...

    Design of hybrid nano-engineered bioprocesses for wastewater treatment 

    Ponzelli, Michele (Date of defense: 2023-12-11)

    Freshwater scarcity is a growing concern, prompting the exploration of water reuse strategies. Anaerobic wastewater treatment is gaining popularity due to its low energy requirements and the potential for resource recovery. ...

    Effects of land uses and climate variability on the water quality of Mediterranean rivers: towards a regional vision of global change 

    Aguilera Becker, Rosana (Date of defense: 2015-03-10)

    This work investigated the effect of global change phenomena, particularly land use and climatic changes, on water quality patterns in Mediterranean rivers. A hybrid process-based and statistical model (SPARROW) was applied ...

    Flow alteration and wastewater inputs effects on freshwater communities in Mediterranean rivers 

    Mor Roy, Jordi-René (Date of defense: 2019-09-19)

    Mediterranean rivers are characterized by high hydrological variability and heterogeneity of habitats, placing themselves amongst arid and temperate climates, and are associated with high biological diversity. On the ...

    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 ...

    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 ...

    Multiple stressor effects on river biofilm communities: from community composition to ecosystem processes using experimental mesocosms 

    Romero Blanch, Ferran (Date of defense: 2019-12-20)

    Human exploitation of river ecosystems, together with the increasing pressure that represents climate change, is posing rivers worldwide at risk. In rivers, microorganisms are ecologically very important. Most of ...

    Removal of pharmaceuticals in wastewater combining different treatment technologies: suspect screening identification and risk assessment of transformation products 

    Jaén Gil, Adrián (Date of defense: 2021-05-28)

    The low efficiency of wastewater treatment plants to achieve the complete removal of micropollutants, including pharmaceuticals, has motivated the development of alternative water technologies to improve their efficiency, ...

    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 ...

    Stream biofilm responses to flow intermittency 

    Timoner Amer, Xisca (Date of defense: 2014-05-05)

    Streams experiencing a recurrent non-flow phase (i.e., flow intermittency) are characteristic of world regions with arid and semi-arid climates, where Mediterranean regions are part of. During non-flow streambed sediments, ...

    Target analysis and suspect screening of wastewater derived contaminants in receiving riverine and coastal areas and assessment of environmental risks 

    Čelić, Mira (Date of defense: 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 there is a myriad ...

    Transport, distribution and fate of emerging contaminants in wastewater-receiving rivers under multiple stress conditions 

    Mandarić, Ladislav (Date of defense: 2018-10-24)

    The main aim of this thesis was to establish a link between the urban origin of chemical contamination (e.g. PhACs) and other stressors, particularly associated to water scarcity (Chapter 1, 2, and 3). Research has been ...