Now showing items 98-117 of 124

    Nanotecnología en el sector papelero: mejoras en calidad y permanencia de las fibras de alto rendimiento y secundarias en una economía circular mediante el uso de nanofibras y el refino enzimático 

    Delgado Aguilar, Marc (Date of defense: 2015-07-31)

    Bio and nano technologies are absent or incipient in papermaking industry and, concretely, in recycling and high-yield pulps sectors. In this sense, the present Thesis uses cellulose nanofibers (CNF), both in bulk and on ...

    Operation and control of SBR processes for enhanced biological nutrient removal from wastewater 

    Puig Broch, Sebastià (Date of defense: 2008-01-15)

    In the last decades, the awareness of environmental issues has increased in society considerably. There is an increasing need to improve the effluent quality of domestic wastewater treatment processes. This thesis describes ...

    Operational strategies towards nitritation-anammox implementation for mainstream municipal wastewater treatment 

    Akaboci, Tiago Rogeiro Vitor (Date of defense: 2019-07-15)

    Anammox-based processes have been commonly applied for the treatment of reject water (high nitrogen content and low C:N ratio), in the sidestream line of urban wastewater tretament plants (WWTP). However, in recent years, ...

    Optimización del diseño de los filtros de arena utilizados en sistemas de riego por goteo 

    Bové Masmiquel, Josep (Date of defense: 2018-04-27)

    To achieve a sand filter design that reduce its pressure loss, computational fluid dynamics (CFD) tecnique was used combined with laboratory tests in a scaled filter using different filter media. The CFD models allowed to ...

    Partial nitritation of landfill leachate in a SBR prior to an anammox reactor : operation and modelling 

    Ganigué Pagès, Ramon (Date of defense: 2010-02-19)

    Els lixiviats d'abocadors urbans són aigües residuals altament contaminades, que es caracteritzen per les elevades concentracions d'amoni i el baix contingut de matèria orgànica biodegradable. El tractament dels lixiviats ...

    Percepción e imagen de los consumidores españoles del pescado salvaje y del pescado de acuicultura 

    Claret Coma, Anna (Date of defense: 2015-04-17)

    La tesi doctoral que es presenta a continuació té com a objectiu estudiar la percepció que tenen els consumidors espanyols del peix d’aqüicultura en comparació amb el peix salvatge, des de vàries perspectives: percepció ...

    Pharmaceutical and personal care products removal by advanced treatment technologies 

    Chtourou, Mariem (Date of defense: 2018-10-25)

    This thesis evaluates different technologies for treating wastewater with high concentrations of PPCPs. Firstly, a state-of-art revision of advanced treatment technology for removing Triclosan (TCS) from waste water was ...

    Preparación y evaluación de formulaciones acrílicas autocurables de baja toxicidad modificadas con polímeros biodegradables para cirugía ortopédica y mínimamente invasiva 

    Franco Marquès, Elena (Date of defense: 2012-07-20)

    In the present work, a study of the preparation of new formulations of acrylic bone cements (ABC) has been carried, to obtain materials with capacity for controlled drug delivery of medicaments useful in the therapeutic ...

    Procesos secuenciales de adsorción/oxidación con H2O2 para la eliminación de compuestos orgánicos volátiles 

    Anfruns Bagaria, Alba (Date of defense: 2011-11-25)

    Volatile Organic Compounds (VOCs) are one of the main groups of odour causing compounds in Waste Water Treatment Plants (WWTP). Adsorption technology is already established, in recent years the interest for the optimization ...

    Procés de destintatge del paper per flotació. Avaluació de l'eficàcia de l'eliminació de tinta 

    Pèlach Serra, Maria Àngels (Date of defense: 1998-02-13)

    La tesi doctoral presentada té com a objectius principals l'estudi de les etapes fonamentals de desintegració i flotació en un procés de destintatge de papers vell de qualitats elevades per a poder millorar l'eficàcia ...

    Producción, caracterización y aplicación de nanofibras procedentes de pulpas de alto rendimiento con elevado contenido de lignina 

    Serra Parareda, Ferran (Date of defense: 2022-06-02)

    Nanocellulose is a sustainable nanomaterial with outstanding physico-mechanical properties, a fact that confers the nanomaterial a huge potential in sectors such as the papermaking, nanocomposites, aerogels for selective ...

    Productos cárnicos fermentado-curados funcionales y seguros. Nueva vía de ingestión de probióticos 

    Rubio Moreno, Raquel (Date of defense: 2014-10-14)

    Fermented meats play an important part in many diets and are very appreciate by the consumer. However, these products are an important source of fat and salt, associated to chronic cardiovascular diseases. Therefore, it ...

    Resilience of water resource recovery facilities: a framework for quantitative model-based assessment 

    Juan García, Pau (Date of defense: 2019-02-04)

    The water sector is entering a period of uncertainty, as stressors such as climate change pose unknown risks to its infrastructure. Utilities need to build resilience to handle unpredictable changes, but the field of ...

    Revaloració de la fracció cel·lular de la sang de porc procedent d'escorxadors industrials 

    Toldrà i Alegret, Mònica (Date of defense: 2002-11-22)

    La sang de porc és un subproducte comestible que es genera als escorxadors industrials durant el procés d'obtenció de la canal. Aquest subproducte es caracteritza per presentar una elevada càrrega contaminant i, degut a ...

    Rice seeds as biofactories of the production of antimicrobial peptides 

    Montesinos Barreda, Laura (Date of defense: 2014-05-16)

    A series of antimicrobial peptides (AMPs) derived from the BP134 peptide (a member of the CECMEL11 library) exhibited potent bactericidal effect and low cytotoxicity, and were selected for expression in transgenic rice. ...

    Roadmap for scaling up thermophilic CO2 bioreduction to acetate : shedding light on using surplus renewable energy and industrial off gases 

    Rovira Alsina, Laura (Date of defense: 2022-12-02)

    Carbon dioxide (CO2) is largely emitted in the ignition of fossil fuels for transport, electricity generation or other industrial processes. CO2 is an inorganic compound that exists naturally on Earth, but its concentration ...

    Siloxane removal in the energy recovery of biogas: sequential adsorption/oxidation processes 

    Cabrera-Codony, Alba (Date of defense: 2016-07-27)

    The thesis deals with removal of organosilicon compounds in the energy recovery of biogas. Alternative adsorbents for the siloxane removal were studied, and the physical and chemical mechanisms involved in the siloxane ...

    Sistema d'ajut a la decisió per la selecció de sistemes de sanejament 

    Castillo Llorens, Alba (Date of defense: 2017-03-17)

    The selection of the most appropriate wastewater treatment involves a complex decision making process. For that reason, some tools have been developed in recent years in order to deal with this complexity, as Novedar_EDSS ...

    Supervisory systems in waste water treatment plants: sistematise their implementation 

    Cortés de la Fuente, Christian (Date of defense: 2002-12-17)

    La implantació de Sistemes de Suport a la presa de Decisions (SSD) en Estacions Depuradores d'Aigües Residuals Urbanes (EDAR) facilita l'aplicació de tècniques més eficients basades en el coneixement per a la gestió del ...

    Synthetic antifungal peptides for controlling brown spot of pear caused by Stemphylium vesicarium. Activity, mode of action and field evaluation 

    Puig Garcia, Mireia (Date of defense: 2015-12-15)

    Brown spot of pear is a fungal disease caused by Stemphylium vesicarium. Currently, the disease control efficacy is limited, due to the characteristics of disease and the reduction of the allowed fungicides. Therefore, ...