Mostrando ítems 1-20 de 227
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 ...
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 ...
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, ...
Sans Milà, Jordi (Fecha de defensa: 2022-04-08)
(English) Permanently polarized hydroxyapatite (p-HAp) has been recently proposed as a novel green catalyst. p-HAp is obtained by applying an electrical and thermal stimulation polarization process (TSP), which consists ...
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 ...
Morena Gatius, Ángela Gala (Fecha de defensa: 2023-03-10)
(English) Lignocellulosic biomass is an abundant renewable resource considered a suitable carbon raw material for the synthesis of chemicals and as an alternative to fossil fuels energy supply source. Cellulose, hemicellulose, ...
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 ...
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 ...
López Hernández, Arianne (Fecha de defensa: 2023-12-20)
(English) Getting to give added value in the different products that are nowadays in the market has not been easy. Since many years ago we have worked on the addition of fragrances in different articles. This added value ...
Sáez Comet, Carlos (Fecha de defensa: 2023-10-06)
(English) Surfaces with special functionalities owed to their surface topographies or textures are present all around us in nature. Millions of living organisms around us profit from those special functionalities thanks ...
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 ...
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 ...
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. ...
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 ...
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 ...
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. ...
Oriols Pladevall, Núria (Fecha de defensa: 2022-11-17)
(English) An important collection of Romanesque wall paintings, detached from their original places at the beginning of the 20th century, is now preserved and exhibited in the Museu Nacional d'Art de Catalunya. To define ...
Hodásová, L'udmila (Fecha de defensa: 2022-11-09)
(English) Zirconia ceramic is widely used in numerous fields, such as electronics, machinery, and biomedical applications, due to its excellent properties as chemical resistance, thermal stability, electrical resistance, ...
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 ...
Lacruz Cruz, Amado (Fecha de defensa: 2022-07-18)
Fluorinated chemicals, commonly known as per- and polyfluoroalkyt substances (PFASs), are widely used to obtain water-, oil- and stain-repellent texUles. The constant development and optimization of fluorochemicals for ...