Now showing items 41-60 of 138

    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 ...

    Assessment and optimisation of the operation of integrated membrane system for wastewater reclamation 

    Mamo, Julian (Date of defense: 2018-12-11)

    The combination of two membrane technologies coupled together in series has become a standard technology when it comes to producing reclaimed water of high quality for potable reclamation or industrial applications. This ...

    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 ...

    Taking advantage of autotrophic nitrogen removal: potassium and phosphorus recovery from municipal wastewater 

    Johansson, Sara (Date of defense: 2019-04-29)

    Increasing awareness on the limited nature of the raw materials for the production of inorganic fertilizer is pushing for a shift from removal to recovery of nutrients from waste streams. In municipal wastewater treatment ...

    Aplicación de la transglutaminasa microbiana en quesos frescos de coagulación ácida y de coagulación enzimática 

    Cadavid Tobón, Ana Maria (Date of defense: 2019-02-15)

    The aim of this doctoral thesis was to evaluate the application of microbial transglutaminase (MTGase), produced by BDF Natural Ingredients, in the manufacture of acid and enzymatic coagulation fresh cheeses. In the case ...

    Environmental and socio-economical assessment of measures for the reduction of pharmaceuticals in rivers 

    Gimeno Melià, Vicent Pau (Date of defense: 2019-01-21)

    Pharmaceuticals are ubiquitous water contaminants that have shown detrimental effects on aquatic organisms at low concentrations. National authorities are starting to plan and implement measures (Wastewater treatment plants ...

    Biological control of quarantine bacterial plant diseases with Lactobacillus plantarum strains. Improvement of fitness and monitoring 

    Daranas Boadella, Núria (Date of defense: 2018-11-29)

    The fruit production is threatened by several bacterial diseases, such as fire blight of apple and pear, bacterial canker of kiwifruit, bacterial spot of stone fruits, and angular leaf spot of strawberry. The conventional ...

    Optimización del diseño de los filtros de arena utilizados en sistemas de riego por goteo 

    Bové Masmiquel, Josep (Date of defense: 2018-04-27)

    To achieve a sand filter design that reduce its pressure loss, computational fluid dynamics (CFD) tecnique was used combined with laboratory tests in a scaled filter using different filter media. The CFD models allowed to ...

    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 ...

    Materiales compuestos de una poliamida de origen renovable y fibras naturales de alto rendimiento: una sólida alternativa a los materiales compuestos de polipropileno reforzados con fibra de vidrio 

    Oliver Ortega, Helena (Date of defense: 2018-07-20)

    The main goal of this thesis is the production and characterization of composites materials from a bio-based polyamide and natural fibres which could be more sustainable alternative to glass fibre reinforced polypropylene. ...

    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 ...

    Integrated management of bacterial spot disease of stone fruits caused by Xanthomonas arboricola pv. pruni: development of a disease forecasting system 

    Morales Nicolàs, Gerard (Date of defense: 2018-04-12)

    Bacterial spot disease of stone fruits, caused by Xanthomonas arboricola pv. pruni, is of high economic importance in the major stone-fruit-producing areas worldwide. Disease control is mainly based on preventive measures, ...

    Decision-support for adaptive and sustainable urban wastewater system management in the face of uncertainty 

    Hadjimichael, Antonia (Date of defense: 2016-12-14)

    With sustainable development as the new overarching goal, urban wastewater system (UWS) managers are now being asked to take all social, economic, technical and environmental facets related to their decisions into account. ...

    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 ...

    Development of new products from aquaculture fish species 

    Lazo Zamalloa, Oxana (Date of defense: 2018-02-13)

    Europeans are regular consumers of fish and aquaculture products. Therefore, five species of potential aquaculture rearing named: Meagre, Pikeperch, Grey Mullet, Greater Amberjack and Wreckfish were selected for new product ...

    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 ...

    Feasibility of incorporating treated lignin and cellulose nanofiber in fiberboards made from corn stalk and rice straw 

    Theng, Dyna (Date of defense: 2017-07-28)

    Agricultural waste is of particularly interest due to abudant, cheap, widely available worldwide and renewable material. It represent a good option for wood sources substitution, containing similar in chemical and physical ...

    Endo-β-1,4-glucanasa para la fabricación de micro/nanocelulosa: propiedades y aplicaciones 

    Tarrés Farrés, Joaquim Agustí (Date of defense: 2017-07-10)

    In the recent years, significant interest on the production, characterization and application of cellulose nanofibers has brought out among scientific and technic authorities. This special attention mainly comes from their ...

    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 ...

    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 ...