Now showing items 21-35 of 35

    Production of carbohydrates and polyhydrohybutyrate by cyanobacteria grown in wastewater 

    Arias, Dulce María (Date of defense: 2018-09-28)

    Cyanobacteria are prokaryotic aerobic photosynthetic microorganisms with the capacity to remove nutrients from wastewater and synthesize a large variety of bioactive compounds and valuable byproducts. Among those valuable ...

    Productos de cuidado personal en el medio ambiente : presencia, destino y efectos 

    Molins Delgado, Daniel (Date of defense: 2017-12-01)

    In this PhD. Thesis the results of eleven studies about the presence, distribution, and effects of personal care products (PCPs) in the environment are presented with the intention of giving a consolidated vision and to ...

    Propuesta metodológica para estimar N2O en inventarios de emisión y evaluaciones de eco-eficiencia en plantas de tratamiento de aguas residuales 

    Ramírez Melgarejo, Monserrat G. (Date of defense: 2021-02-26)

    A wastewater treatment plant (WWTP) is a system that aims to reduce the negative impact to bodies of water where the effluent is discharged. reducing the pollutants discharged. Treatment plants have an impact on the ...

    A reactive barrier to enhance the removal of emerging organic compounds during artificial recharge of aquifers through infiltration basins 

    Valhondo, Cristina (Date of defense: 2017-02-03)

    Artificial recharge of aquifers through infiltration basins (AR) improves water quality and in- creases groundwater resources, which make of it an appropriate technique for the renaturalization of waters affected directly ...

    Recovery of phycobiliproteins and biogas from microalgae treating wastewater 

    Arashiro, Larissa Terumi (Date of defense: 2020-07-02)

    Water is undoubtedly the most essential resource of humanity. However. supplying the human population with clean water has been a major challenge for decades. Contaminants in wastewaters endanger water bodies and the ...

    Selenium and zinc enriched bioproducts generated from wastewater as micronutrient feed supplements and biofertilizers 

    Li, Jun (Date of defense: 2021-05-31)

    This thesis aimed to explore the potential of Se/Zn-enriched bioproducts produced from wastewater treatment processes by eco-technologies (phytoextraction, bioreduction and microalgae-based systems) as Se/Zn feed supplements ...

    Sistemas de Gestión de Residuos Sólidos Urbanos (RSU) : Metodología para el análisis técnico-económico con valoración de las externalidades y casos de estudio 

    Medina Mijangos, Rubí Alejandra (Date of defense: 2021-10-05)

    Currently, there is a serious problem due to the large generation of municipal solid waste (MSW) due to the high consumption rates of the population and the short time of use of the products. Moreover, there is poor waste ...

    Spatio-temporal association of physic characteristics and chemical composition of the atmosphere with human mortality data 

    Sánchez Balseca, Joseph (Date of defense: 2021-11-15)

    Air pollution is an environmental challenge that has an important influence on the life of human beings. Therefore, the development, implementation, and evaluation of new statistical approaches will improve the numerical ...

    Strategies to enhance microalgae anaerobic digestion in wastewater treatment systems : pretreatments and co-digestion 

    Solé Bundó, Maria (Date of defense: 2018-09-20)

    Microalgae-based wastewater treatment systems are promising solutions to shift the paradigm from wastewater treatment to energy and resources recovery. In these systems, microalgae assimilate nutrients and produce oxygen ...

    Study of a hybrid system : Moving Bed Biofilm Reactor-Membrane Bioreactor (MBBR-MBR) in the treatment and reuse of textile industrial effluents 

    Yang, Xuefei (Date of defense: 2021-07-06)

    Textile wastewater often shows high color concentration, containing a large range of organic chemicals, with high chemical oxygen demand as well as hard-degradation materials. Therefore, understanding and developing effective ...

    Subsurface as a bioreactor : interaction between physical heterogeneity and microbial processes 

    Perujo Buxeda, Núria (Date of defense: 2018-07-12)

    Infiltration systems are water treatment technologies where water vertically percolates through porous media while several biogeochemical processes occur. Biofilms are the main responsible for those biogeochemical processes ...

    Support tools for groundwater management in the proximity of a mine site 

    Scheiber Pagès, Laura (Date of defense: 2017-06-09)

    The natural environment in which we live, is subjected, to a greater or lesser extent, to the pressure of human activity, with water being one of the most sensitive elements. For this reason, aware of this situation, from ...

    Sustainability in the post-disaster temporary housing management for urban areas 

    Hosseini, Seyed Mohammad Amin (Date of defense: 2016-09-30)

    Many people lose their homes every year due to natural disasters. One of the major challenges to mollify displaced persons is the provision of adequate post-disaster accommodations, temporary housing (TH) being the most ...

    Syntrophic acetate oxidation in the anaerobic digestion of nitrogen-rich wastes : from microbial interactions to process optimization 

    Ruiz Sánchez, Josep (Date of defense: 2018-11-09)

    The anaerobic digestion (AD) consists of a cascade of syntrophic interactions between several microbial groups that result in the breakdown of biodegradable organic matter in the absence of oxygen, resulting in the production ...

    The use of integrative approaches to characterize new mechanisms of toxicity of pollutants in the aquatic environment 

    Rivetti, Claudia (Date of defense: 2017-05-19)

    Anthropogenic pollution represents a major concern for aquatic ecosystem, which has been affected by a complex cocktail of heterogeneous compounds that may provoke significant toxic effects to the living organisms. Among ...