Compostos orgànics volàtils i semivolàtils presents en aigua envasada : extracció i anàlisi mitjançant GC-MS 

    Guadayol Gallego, Marta (Date of defense: 2016-01-27)

    Organoleptic properties of water are the only means whereby a consumer can assess water quality and safety. Among these properties, taste and odour are the most important. The first part of this study displays the water ...

    Computational fluid dynamics techniques for fixed-bed biofilm systems modeling : numerical simulations and experimental characterization 

    Prades Martell, Lledó (Date of defense: 2018-12-13)

    This thesis is focused on the development of one-phase and multiphase models using computational fluid dynamics (CFD) techniques to analyze biosystems behavior at mesoscale. In the first part, the operation of a fixed-bed ...

    Contribution to the hydrogeological knowledge of the high mountain karst aquifer of the Port del Comte (SE, Pyrenees) 

    Herms Canellas, Joan Ignasi (Date of defense: 2022-06-02)

    This thesis has aimed to improve the hydrogeological knowledge of the Port del Comte Massif (PCM), a karstic aquifer system located in the south-eastern sector of the Pyrenees that plays a strategic role in the provision ...

    Diseño, caracterización y aplicación de microelectrodos para el estudio de biopelículas sulfuroxidantes 

    Guimerà Villalba, Xavier (Date of defense: 2016-07-22)

    This thesis is focused on the development of microsensors specially designed for biofilms monitoring and on the application of these devices to study and characterize different biofilms. Using micro-electromechanical ...

    Environmental and occupational characterisation of coals and dust from coal mining 

    Trechera Ruiz, Pedro (Date of defense: 2022-01-13)

    The main objective of this PhD thesis is the study of coal mine dust patterns produced by different types of mining operations and different types of coal. In addition, the potential links between oxidative potential (OP) ...

    Geochemical and metallogenic model of the Santa Fe Sn-Zn-Pb-Ag-(In) deposit in the Central Andean tin belt 

    Jiménez Franco, Ma. Abigail (Date of defense: 2017-10-05)

    The Santa Fe mining district is located in the Central Andean tin belt and contains several Sn-Zn-Pb-Ag deposits. From the economic point of view, the most important deposits of the district are Japo, Santa Fe and Morococala. ...

    In situ groundwater remediation treatments : natural denitrification study and nano zero valent iron production 

    Ribas Fargas, David (Date of defense: 2017-03-14)

    Freshwater is a scarce resource, threatened by an ongoing pollution, global climate change and industrialization. Among other freshwater sources, groundwater is by far the most important source of usable freshwater but due ...

    La contribució de la gestió d'operacions a la sostenibilitat de l'empresa 

    Luján Blanco, Itziar (Date of defense: 2018-02-05)

    During the last decades deep changes have taken place in the competitive environment, which have forced companies to focus on strategies that allow them to differentiate themselves from their competitors and gain consumer ...

    Les metapoblacions de llucareta (Serinus citrinella) del Prepirineus orientals : valoració ecològica i bases per a la seva gestió 

    Borràs, Antoni (Date of defense: 2016-01-26)

    The Citril finch has been considered for a long time as a species linked to forested high mountainous areas. It was considered as non-migratory and with short-range movements, just to avoid bad weather conditions. For a ...

    Metodologies singulars per a l'aprenentatge en l'aprofitament tecnològic dels recursos de la natura 

    Torras Melenchón, Núria (Date of defense: 2017-11-16)

    For years, we are in the middle of a crisis of scientific and technological vocations, which is found year after year in the number of students enrolled in science and technology studies. If that trend continues, there ...

    Modelització mitjançant dinàmica de fluids computacional del Mòdul Hidromètric del segle XIX de la Sèquia de Manresa 

    Vives i Costa, Jordi (Date of defense: 2019-07-15)

    L’objectiu principal de la present Tesi Doctoral és verificar mitjançant tècniques de la Dinàmica de Fluids Computacional (CFD) la hipòtesi de que el Mòdul Hidromètric (MH) de la Sèquia de Manresa, construït durant el segle ...

    Modelling of liberation in Ta- and W-rich minerals 

    Hamid, Sarbast Ahmad (Date of defense: 2019-12-18)

    With the general trend across all commodities towards the treatment of lower grade and medium grade ores, it is becoming increasingly important to develop the proper design for comprehensive mineralogical characterization ...

    Multiple simulation experimental studies of gas emission, distribution and migration rules in mine ventilation system and goaf area 

    Zhang, Haoran (Date of defense: 2015-12-21)

    Gas problems have created severe difficulties for the mining industry around the world, leading to high expenditures and intensity research efforts, and determined attempts to enhance the various ventilation optimization ...

    Some approaches to improve the ventilation system in underground potash mines 

    Bascompta Massanés, Marc (Date of defense: 2016-04-25)

    Mine ventilation is a crucial factor for the sake of underground operations. Not only does it affect efficiency and effectiveness rates, but it also influence the health and safety of the employees. Despite it is a topic ...

    Strategic minerals milling modelling of high pressure grinding rolls and process parameters dependency 

    Anticoi Sudzuki, Hernán (Date of defense: 2019-12-18)

    Comminution is the most energy consuming process in mining industry, where nearly 60 % of the electricity expenditure is due to grinding purposes. In the nature most of the ore minerals are found, finely disseminated and ...

    Study and optimisation of copper bioleaching process for electronic waste valorisation 

    Benzal Montes, Eva (Date of defense: 2021-01-28)

    In the current economical context, the use of waste material with economic potential should be a priority. In this sense, the increasing production of electrical and electronic equipment waste (WEEE) makes these materials ...

    Tractament d'emissions gasoses amb altes càrregues d'amoníac mitjançant tecnologies biològiques avançades 

    Morral Molto, Eloi (Date of defense: 2021-12-03)

    The growth in world population has led to a significant increase in the generation of wastes (solid, liquid and gaseous). Waste gas is probably the major issue in the case of waste treatment, due to the fact that once the ...