Departament d'Enginyeria Química: Enviaments recents
Ara es mostren els items 1-12 de 221
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Preparation and characterisation of bimetallic catalysts for the steam reforming of methane
(Universitat Politècnica de Catalunya, 2024-01-25)
Tesi
Accés obert(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
(Universitat Politècnica de Catalunya, 2023-12-15)
Tesi
Accés obert(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 ... -
Investigación en nuevas técnicas de microencapsulación biodegradables de fragancias para el sector de detergencia que eviten la liberación de microplásticos al medio ambiente
(Universitat Politècnica de Catalunya, 2023-12-20)
Tesi
Accés restringit per acord de confidencialitat(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 ... -
Obtaining micro- and nanotextured functional surfaces on thermoplastics via injection moulding techniques using laser textured metallic inserts and NIL (nano-imprint lithography) -textured polymeric films
(Universitat Politècnica de Catalunya, 2023-10-06)
Tesi
Accés obert(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 ... -
Partial oxidation of methane into syngas at low temperature
(Universitat Politècnica de Catalunya, 2023-10-27)
Tesi
Accés obert(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
(Universitat Politècnica de Catalunya, 2023-09-20)
Tesi
Accés restringit per acord de confidencialitat(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
(Universitat Politècnica de Catalunya, 2023-07-12)
Tesi
Accés restringit per acord de confidencialitat(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
(Universitat Politècnica de Catalunya, 2023-05-19)
Tesi
Accés restringit per acord de confidencialitat(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
(Universitat Politècnica de Catalunya, 2023-07-20)
Tesi
Accés obert(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
(Universitat Politècnica de Catalunya, 2023-01-19)
Tesi
Accés obert(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. ... -
Titanium dioxide and nanoshaped ceria for solar hydrogen production
(Universitat Politècnica de Catalunya, 2022-04-21)
Tesi
Accés obertThis work facuses on the study of these processes on Ti02 and Ce02, respectively. Although the development of photocatalytic research with the use of semiconductor photocatalysts does not last longer than about 40 years, ... -
Del mur romànic al museu. La tècnica de la pintura mural romànica i del seu traspàs amb morters de caseïna
(Universitat Politècnica de Catalunya, 2022-11-17)
Tesi
Accés obert(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 ...