Mostrando ítems 1-20 de 129

    Management strategies of Meloidogyne-resistant plant germplasm to avoid virulence selection 

    Fullana Pons, Aïda Magdalena (Fecha de defensa: 2025-02-04)

    (Català) Durant el desenvolupament de la tesi doctoral es van realitzar diversos estudis a fi de conèixer el potencial de la resistència vegetal per a la gestió de Meloidogyne en cultius hortícoles sense afavorir la selecció ...

    Recovery of critical raw materials from saltworks by integration of sorption processes 

    Vallés Nebot, Víctor (Fecha de defensa: 2024-07-24)

    (English) Nowadays, the increasing demand for raw materials caused by population growth and industrialisation moved the European Union (EU) to improve resource efficiency and as result the Critical Raw Materials/Strategic ...

    Mathematical modeling of advanced oxidation processes for the efficient wastewater treatment: integrated management of advanced oxidation processes and conventional bio-processes for the removal of recalcitrant components 

    Nasr Esfahani, Kourosh (Fecha de defensa: 2024-07-02)

    (English) The objective of this thesis is to contribute to the development of mathematical modeling of Advanced Oxidation Processes (AOPs) aimed at the competent treatment of recalcitrant organic compounds in wastewater. ...

    Liquid-Liquid membrane contactors for sustainable ammonia recovery and valorization: experimental insights, novel approaches and applications 

    Aguilar Moreno, Miguel (Fecha de defensa: 2024-07-05)

    (English) This comprehensive research represents a significant stride in the exploration of innovative strategies aimed at enhancing ammonia recovery within diverse wastewater streams. The study is structured into distinct ...

    Recovery of phenolic compounds from olive mill and winery wastes: evaluation of extraction and membrane processing technologies 

    Tapia Quirós, Paulina (Fecha de defensa: 2021-11-10)

    (English) Olive oil and wine production are two major agri-food economic activities in Spain; and generate large amounts of solid and liquid wastes that represent an important environmental problem. In this context, the ...

    Integration of advanced wastewater treatment and reclamation technologies for organic micropollutants removal and promote water reuse 

    Echevarría Díez-Canedo, Carlos (Fecha de defensa: 2022-07-14)

    (English) Climate change and overpopulation are responsible for more frequent droughts, and the imbalance in the water resources management leads to a greater competition in the exploitation of freshwater sources. The ...

    Gadolinia-doped UO2 reactivity and redox-sensitive radionuclides mobility: implications for long-term safety of deep geological repositories 

    García Gómez, Sonia (Fecha de defensa: 2024-03-08)

    (English) High-level radioactive waste, such as spent nuclear fuel (SNF) from nuclear power plants, remains dangerous for hundreds of thousands of years. To manage them properly and avoid harm to human health and the ...

    Sustainable evaluation of Boron recovery for seawater desalination brines valorisation: integration of membrane processes and ion exchange resins 

    Figueira Alves, Mariana (Fecha de defensa: 2023-12-19)

    (English) According to the European Green Deal, the European Union (EU) must become climate-neutral by 2050. However, many raw materials needed for this green transition are supplied by non-EU countries. To ensure the ...

    Nitrogen recovery from wastewater treatment effluents by liquid-liquid membrane contactor for fertilizers production 

    Sheikh, Mahdi (Fecha de defensa: 2023-11-27)

    (English) Changing wastewater treatment plants into wastewater and resource recovery facilities represents a paradigm shift in wastewater management. Resources such as water, energy, and nutrients are becoming scarcer, ...

    Nano-enabled screen-printed electrodes for the determination of trace elements in aqueous environmental samples 

    Torres Rivero Andrade, Karina Victoria Alejandra (Fecha de defensa: 2023-07-12)

    (English) Acid mine drainage (AMD) is a wastewater originated from complex oxidation processes that has become one of the most challenges facing the global mining industry due to its acidity, high content of SO42- and other ...

    Preparation and characterisation of bimetallic catalysts for the steam reforming of methane 

    Braga, Andrea (Fecha de defensa: 2024-01-25)

    (English) Heterogeneous catalysis is one of the most important chemical technologies available today to produce most chemicals at the basis of industrial production. The transition to a greener energy production demands ...

    Evaluation of nutrient recovery from urban wastewater for sustainable fertilizer production 

    Mayor Pillado, Álvaro (Fecha de defensa: 2023-12-15)

    (English) The 20th-century introduction of the Haber-Bosch nitrogen fixation process significantly disrupted the nitrogen cycle in ecosystems, contributing to environmental issues and nutrient loss. The heavy reliance on ...

    Partial oxidation of methane into syngas at low temperature 

    Fazlikeshteli, Shiva (Fecha de defensa: 2023-10-27)

    (English) Syngas (a mixture of H2 and CO) is a versatile feedstock that can be used to produce a wide range of chemicals and fuels. For that reason, there is a great interest to optimize and explore new routes for its ...

    Risk analysis of jet fires thermal effects 

    Foroughi, Vahid (Fecha de defensa: 2023-09-20)

    (English) The historical analysis performed has shown that jet fires have been the origin of a high number of domino effect accidents, both in the process industry and in the transportation of flammable fluids by pipelines ...

    Lignocellulosic wastes and chitosan composites applied to recover rare earth elements by liquid-solid separation 

    Lapo Calderón, Byron Gonzalo (Fecha de defensa: 2023-07-12)

    (English) Rare earths elements (REE) are crucial elements to the future of technology, particularly to the power generation and road transport. One of the most sustainable processes to recover rare earths is biosorption. ...

    Mechanochemical preparation of TiO2-based photocatalysts for hydrogen production 

    Chen, Yufen (Fecha de defensa: 2023-05-19)

    (English) Metal clusters and single atoms have been considered as effective cocatalysts for the enhancement of photocatalytic hydrogen production dueto their singular geometric structures, electronic properties and unique ...

    Fire risk analysis framework at the wildland-urban interface 

    Vacca, Pascale (Fecha de defensa: 2023-07-20)

    (English) Wildfires that reach the border between the wildland and urban areas, defined as the Wildland-Urban Interface (WUI), have rapidly expanded in frequency and severity over the past few decades, and the number of ...

    Simulación y desarrollo de reactores catalíticos de membrana para la tecnología del hidrógeno 

    Cifuentes López, Alejandro (Fecha de defensa: 2023-01-19)

    (English) This thesis focuses on the study of the catalytic production of hydrogen from methanol and water. Catalytic production is carried out in a catalytic membrane reactor which manages to produce and purify hydrogen. ...

    In situ studies of catalytic processes by Near Ambient X-ray Photoelectron Spectroscopy 

    García de Andrés, Xènia (Fecha de defensa: 2022-10-25)

    (English) Labels misplacement in the bottles are currently causing problems in wine cellar's labelling lines. According to data provided by Codorníu and Torres cellars, 1 % of the bottles present this issue. Once the wine ...

    Recovery of polyphenols by extraction and purification technologies from orange and spinach processing residues 

    Montenegro Landivar, María Fernanda (Fecha de defensa: 2022-09-21)

    The residues resulting from orange and spinach processing, composed mainly by peels and seeds; and leaves, respectively, contain relevant amounts of polyphenols, so they can be used as raw material for recovery natural ...