Programa de Doctorat en Enginyeria de Processos Químics: Envíos recientes
Mostrando ítems 21-40 de 129
Titanium dioxide and nanoshaped ceria for solar hydrogen production
This 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, ...
Characteristics of bioactive molecules with antioxidant and biological activities of some medicinal and edible plants
The present work has focused on the study of two edible plants, with attributable medicinal values, named Anthyllis vulneraria L. (A.vulneraria) and Azadirachta indica L. (A.indica) collected in Tunisia and India, ...
Estudio de la evaporación de vertidos de disoluciones acuosas de amoníaco
Evaporation from liquid spills is a phenomenon of great importance. This phenomenon has been studied by a number of researchers. However, most of them have focused on the evaporation of pure liquid spills or hydrocarbon ...
Producción de hidrógeno a partir de amoniaco en reactores de paredes catalíticas
Due to the problems associated with the generation and storage of hydrogen in portable applications, the use of ammonia fer the on-site production of hydrogen through its catalytic decomposition has been proposed. This ...
Antioxidant properties and applications of pecan (Carya illinoinensis)
At the present time, the environmental challenges are the second concern on a global level, and the first one in some countries. This is one of the main reasons behind the recent boost of new methods of production within ...
Optimization strategies for efficient dosage of H2O2 in Fenton and photo-Fenton processes
This Thesis work addresses the challenge of designing hydrogen peroxide (H2O2) dosage Strategies for improving Fenton and photo-Fenton applications. The determination of the H2O2 dosage scheme that minimizes hydrogen ...
TiO2-based heterostructure photocatalysts for enhanced hydrogen production
The photocatalytic production of hydrogen from water and biomass derivatives such as ethanol, glycerol and sugars is a highly attractive strategy to generate environmentally benign hydrogen. Ethanol is more easily oxidized ...
A contribution to sustainable management of integrated material/energy networks in process industries
Towards sustainability forces process industries to change their traditional patterns. Therefore, efficient retrofitting has been a significant challenge and raised several issues, motivating the process system engineering ...
Synthesis and characterization of polycarbonates from epoxidized vegetable oils, propylene oxide and carbon dioxide
The current research is primarily focused on the preparation of a polycarbonate using epoxidized linseed oil (ELO) and epoxidized soybean oil (ESO) as feedstocks. The presence of unsaturation in vegetable oil structure ...
A contribution to chemical process operation support: new machine learning and surrogate models based approaches for process optimization, supervision and control
In the chemical process industry, the decision-making hierarchy is inherently model-based. The scale and complexity of the considered models (e.g., enterprise, plant or unit model) depend on the decision-making level (e.g., ...
Study on adsorption behavior of rare earth elements onto magnetic nanocomposites of carboxymethyl chitosan, alginate and novel biodegradable polyamide
Rare Earth Elements (REEs) are known as the remarkable components in many technologies that are driving the modern world. They are widely used in chemical engineering, permanent magnets, fluorescent lighting, sensors, cell ...
Rare earth elements recovery from E-wastes by solvent extraction and supported liquid membrane processes
Nowadays, rare earth elements (REEs) have gained importance due to their indispensable and critical use in many high-tech industries like hybrid cars, fluorescent lamps, flat screen televisions, mobile phones, disc drives ...
Decision support strategies for the efficient implementation of circular economy principles in process systems
Economic growth at any expense is no longer an option. Awareness of the growing human footprint is crucial to face the problems that the impoverishment of ecosystems is causing and will cause in the future. One of the key ...
Infrared image processing tools for automated aerial remote sensing of active wildland fires
Forest fires are natural phenomena essential for ecosystem balance. However, their impact on society is increasing. Emergency managers are facing unprecedented crises producing massive evacuations, numerous casualties and ...
Development of novel techniques of advanced transport characterization of membranes
Optimization of membrane separation processes rely on the accurate determination of some parameters related to membrane structure, chemistry, morphology or transport mechanism. Therefore, membrane characterization is ...
Aplicación de la fermentación láctica como estrategia de transformación y valoración de matrices vegetales
In Colombia, strategies are being promoted to increase fruit and vegetable production, in order to take advantage of agricultural potential. However, there are also high food losses, low consumption and low transformation. ...
Resines acríliques modificades com a nous productes de readobament i/o adobament sense formol ni fenol
The leather manufacturing process consists of a sequence of complex chemical reactions and mechanical processes that allow turning skin, a putrefiable by-product of alimentary industry, into leather, a stable high-value-added ...
Towards the recovery of rare earth elements from end-of-life products : hydrometallurgical routes and mathematical modelling of extraction systems
The rare earth elements (REEs) are essential ingredients for the development of modern industry and the transition to a more sustainable economy model. The unique physicochemical features of these elements, such as their ...
Advanced oxidation process models for optimisation and decision making support in water management
The objective of this thesis is contributing to the development of a systematic modelling approach for a more efficient and sustainable water management. The main aim is introducing Chemical and Process System Engineering ...
Validation of CFD codes for risk analysis of accidental hydrocarbon fires
Accidental releases of flammable hydrocarbons in chemical process industries can trigger severe hazards: explosions, fires, and dispersion of toxic vapour clouds. Explosions and toxic releases may injure people within large ...
