Institut de Tècniques Energètiques: Enviaments recents
Ara mostrant els elements 1-20 de 30
PyMCGPU-IR: a new tool for patient dose monitoring in interventional radiology procedures
(English) Interventional radiology procedures are associated with potentially high radiation doses to the skin. The 2013/59/EURATOM Directive establishes that the equipment used for interventional radiology must have a ...
Carbon capture, utilization, and storage (CCUS) and how to accelerate the development and commercialization of carbon capture technologies and carbon-based products in the European and United States markets
The main theme of this work revolves around the CO2 molecule, a stable waste gas of low value, low energy and often available in large quantities in different places. This work examines some viable avenues for capturing, ...
Local optics corrections in the HL-LHC
In order to increase the performance of particle colliders, it is crucial to make the beam sizes at the collision points as small as possible. This causes an increase of the beam size in the region surrounding the collision ...
Valorization of low concentration sugar side-stream from dissolving pulp production
Among the platform chemicals that can be produced from lignocellulosic biomass, furfural (FUR) constitutes a promising intermediate that can be processed into a variety of advanced end products. In this thesis, the ...
Island-based polygeneration systems : feasibility of bBiomass-driven distributed concepts
The colossal risks and challenges posed by climate change require innovative solutions that must fulfil energy service demands sustainably. The concept of small-scale, biomass-based polygeneration (SBP) is one such ...
Solar fuels via two-step thermochemical redox cycles for power and fuel production
With the issue of the rise of anthropogenic CO2, global warming and rise of the primary energy demand, strong measures for the energy transition and the diversification with renewables and existing fossil-based infrastructure ...
Neutron capture cross section measurement of the heaviest s-process branching 204Tl and of 203Tl at CERN n_TOF
Neutron capture cross sections are fundamental in the study of the slow neutron capture process of nucleosynthesis, also known as the s-process, which produces half of the observed solar system abundances of elements heavier ...
Study of a Compton camera based on CsI(Tl) scintillator bars for radiological environmental imaging
Compton cameras are used for radiological imaging, which can be useful in environmental applications and especially in determining the position of hidden sources. Current Compton cameras are based on pixelated detectors ...
Enhancement of methane production from the anaerobic digestion of chemical pulp and paper mill effluents
Sustainability of resources such as energy, water and waste have become important drivers in our current economy. For large industries that are water and energy intensive like pulp and paper (P&P) mills, this is a specifically ...
Levels and behaviour of radionuclides in water treatment plants : the case of the Barcelona metropolitan area urban water cycle
The Barcelona metropolitan area (BMA; 3.2 M inhabitants) has an integrated urban water cycle management. Different type of treatment plants are located along the drinking, sewerage and reuse networks where specific treatments ...
Advanced carbon capture and storage technologies
In this work two research topics are presented: investigation of carbonation reactions of high – calcium waste materials and CO2 storage in coal. Firstly, sorption capacity of CO2 and CH4 of hard coal and associated ...
Development and assessment of estimate methods for internal dosimetry using PET/CT
The aim of this thesis was to assess and develop internal dose calculations methods in diagnostic and therapeutic nuclear medicine procedures to patients undergone PET/CT explorations. Towards this objective, the accuracy ...
Contributions to new challenges in radiotherapy : from small field dosimetry to stereotactic body radiation therapy
The use of small Fields has substantially increased in radiotherapy during recent years mainly due to expansion in the use of modulated techniques which are also used at some institutions for Stereotactic Body Radiotherapy ...
Producción fotocatalítica de H2 con microrreactores y cristales fotónicos
The depletion of fossil fuels and increase of global warming lead to a high demand for alternative energy sources that should be cheap and renewable to fulfill the future energy demand. The photocatalytic generation of H2 ...
Improvement of early warning monitoring using gamma spectrometry
The present thesis is focused on the improvement of radiological surveillance networks using gamma spectrometry. Tipically they are equipped with gamma dose rate monitors, while they do not have gamma spectrometry monitors. ...
Quantification of dopaminergic neurotransmission SPECT studies with 123 l-labelled radioligands
Dopaminergic neurotransmission SPECT studies with 123I-labelled radioligands can help in the diagnosis of neurological and psychiatric disorders such as Parkinson¿s disease and schizophrenia. Nowadays, interpretation of ...
On-site pure hydrogen production in a catalytic membrane reactor by ethanol steam reforming
Hydrogen is considered as a clean energy carrier that can be converted to electricity by fuel cell with high efficiency. To be economically feasible and comparable, hydrogen needs to be liquefied, compressed, or adsorbed ...
Aerogels catalítics de Co-Si sobre monòlits ceràmics per a produir hidrogen mitjançant la reformació d'etanol
Hydrogen is an energy vector; it is not a direct energy source. It is an energy carrier. Hydrogen can be used to feed fuel cells (an electrochemical device), thus increasing the efficency of energy transfer as the amount ...
Automation of the Monte Carlo simulation of medical linear accelerators
The main result of this thesis is a software system, called PRIMO, which simulates clinical linear accelerators and the subsequent dose distributions using the Monte Carlo method. PRIMO has the following features: (i) it ...
Catalytic hydrogen production over RhPd/CeO2 catalysts and CO purification over Au/TiO2 catalysts
This Thesis focuses on the study of the catalytic production of hydrogen from a biofuel, namely the bioethanol. It also studies the subsequent purification of pre-cleaned reformate streams. The end use of the hydrogen ...
