Departament d'Enginyeria Química: Recent submissions
Now showing items 41-60 of 234
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 ...
Ultrasound micromolding technique and real-time X-ray diffraction using synchrotron radiation : applications to porous scaffolds for biomedical devices and study of thermal-induced transitions
Current market trend is moving to miniaturized specimens, especially in the biomedical field seeking high effective and less invasive treatrnent. Ultrasound (US) micromolding is a new technique developed to the aim of ...
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 ...
A study of epoxy composites for high thermal conductivty applications
Nowadays. both electronic and microelectronic circuits have great relevance and wide application in our daily lives and are increasingly being used with higher powers and frequencies. One of the main problems faced by their ...
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 crystallinity, properties and degradability of poly-4-hidroxybutyrate and related polyesters
In the last decades, polymeric biomaterials, due to their advanced physical and mechanical properties, have been used in a vast variety of surgical and pharmaceutical applications. In this thesis, a study on crystallinity, ...
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 ...
Use of mathematical methods in the resolution of chemical engineering problems
This thesis consists of a compendium of five works that illustrate the utilization of selected mathematical methods to solve specific chemical engineering problems. Hence, the thesis is intended to cover both, a review of ...
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. ...
Hydroxyapatite-based materials for smart antitumor drug delivery systems, endocytic pathways and endosomal trafficking : polymers and biopolymers
Development of new drug molecule is expensive and time consuming. Improving safety efficacy ratio of “old” drugs has been attempted using different methods such as individualizing drug therapy, dose titration, and therapeutic ...
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 ...
Concepts, perspectives and implications of a hybrid system made of nucleic acids biopolymers and hydroxyapatite mineral
The origin of building blocks of life and how life thrived on Earth remains a topic of high interest for researchers of the Origin of Life. In this thesis, we deal with concepts, perspectives and implications of the system ...
