Browsing by Subject "Carbon dioxide"
Now showing items 1-20 of 24
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A prototype reactor for highly selective solar-driven CO2 reduction to synthesis gas using nanosized earth-abundant catalysts and silicon photovoltaics
(2017-10)
Article
Open AccessThe conversion of carbon dioxide (CO2) into value-added chemicals and fuels, preferably using renewable energy and earth-abundant materials, is considered a key priority for future energy research. In this work, a bias-free ... -
Avaluació de l'impacte d'actuacions sobre la mobilitat per reduir les emissions a l'atmosfera
(Universitat Politècnica de Catalunya, 2018-06)
Master thesis
Restricted access - author's decisionAquest treball té com a objectiu l'avaluació de diverses actuacions sobre la mobilitat per tal de quantificar l'impacte que generen en termes de reducció d'emissions a l'atmosfera. Aquest anàlisi es farà mitjançant un model ... -
Balance de CO2 asociada a la biorreceptividad de diferentes morteros
(Universitat Politècnica de Catalunya, 2018-06)
Master thesis
Open AccessEstudio de los balances de CO2 obtenidos en diferentes muestras de mortero de alta biorreceptividad sometidas a crecimiento acelerado de microalgas en condiciones de laboratorio. Se determinarám las cantidades de gas ... -
Carbon dioxide and helium dissolved gases in groundwater at central Tenerife Island, Canary Islands: chemical and isotopic characterization
(2015-10)
Article
Restricted access - publisher's policySeismic-volcanic unrest was detected between 2004 and 2005 in the central and northwest zones of Tenerife Island (Canary Islands, Spain). With the aim of strengthening the program of geochemical and seismic-volcanic ... -
Compact device for CO2 optical sensing using macroporous silicon photonic crystals
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Conference report
Open AccessA photonic crystal based on a macroporous silicon structure has been fabricated and successfully used for the detection of carbon dioxide. In this paper, the device and the measurement results are presented. The sensing ... -
Comparison of computational cost and prediction error of cardiorespiratory models for exercise simulation
(2018)
Conference report
Restricted access - publisher's policyThe modeling and simulation of the cardiorespiratory system has allowed a better understanding of the physiological system behavior to different stimuli and pathologies. Among its main applications stands out the computational ... -
Desarrollo de una herramienta de cálculo para las emisiones de CO2 y consumo en ciclos de conducción real para vehículos pesados
(Universitat Politècnica de Catalunya, 2019-05-20)
Master thesis
Restricted access - author's decision -
Enhanced electrical conductivity in graphene-filled polycarbonate nanocomposites by microcellular foaming with sc-CO2
(2016-01)
Article
Open AccessElectrically conductive polycarbonate (PC) foams containing a low concentration of graphene nanoplatelets (0.5 wt.%) were produced with variable range of expansion ratio by applying a high-pressure batch foaming process ... -
Estudio teórico y experimental de las emisiones de CO2 en vehículos de combustión interna y de posibles soluciones para reducirlas
(Universitat Politècnica de Catalunya, 2010-04)
Master thesis (pre-Bologna period)
Restricted access - author's decisionDebido al efecto provocado por el continuado aumento de las emisiones de gases de efecto invernadero y las graves consecuencias que éstos provocan en la estabilidad del planeta, es necesario un estudio para buscar ... -
Estudio y Modelado de una Bomba de Calor con CO2
(Universitat Politècnica de Catalunya, 2009-05)
Master thesis (pre-Bologna period)
Open AccessCFCs (chlorofluorocarbons) have been abolished and HCFCs (hydrochlorofluorocarbons) are in process of being abolished as working fluids due to their high global warming potential (GWP) and ozone depletion potential (ODP). ... -
How to reduce CO2 gases in a vehicle.
(Universitat Politècnica de Catalunya, 2018-06-21)
Master thesis
Restricted access - confidentiality agreement -
In Situ X-Ray Photoelectron Spectroscopy Gas-Solid Carbonation of Ultramafic Rocks: Implications for Carbon Capture and Storage
(Universitat Politècnica de Catalunya, 2012-07)
Master thesis
Open Access[ANGLÈS] With the increasing carbon dioxide emission in the atmosphere, there has been an interesting interest in CCS (Carbon Capture and Storage). Mineral carbonation was considered as a better option for storage ... -
Integrated rooftop greenhouses and green skyline cities
(2018)
Conference report
Restricted access - publisher's policyThe paper proposes a new strategy against the global warming, which if applied on large scale is able to turn our cities into green oasis, decreasing their actual carbon footprint and increasing their carbon offset. Our ... -
LCA of recycled and conventional concretes designed using the Equivalent Mortar Volume and classic methods
(2015-06)
Article
Open AccessThe objective of this investigation is to environmentally evaluate three concrete design methods through a Life Cycle Assessment using the methodology of the Institute of Environmental Sciences (CML), from Leiden University, ... -
Mitigació d’emissions de CO2 difuses a l’àmbit urbà. El Pacte d’Alcaldes i les seves limitacions
(Escola Politècnica Superior d’Enginyeria de Manresa, 2010-12-02)
Conference lecture
Open Access -
Modelling of a supercritical CO2 power cycle for nuclear fusion reactors using RELAP5-3D
(2014-04-01)
Article
Restricted access - publisher's policyA supercritical recompression CO2 power cycle has been simulated using the system code RELAP5-3D. This code is being developed by INL and has traditionally been used in the simulation of operational and accidental transients ... -
Nodo autónomo para la mesura de CO2
(Universitat Politècnica de Catalunya, 2010-09-20)
Bachelor thesis
Open Access -
Polyetherimide foams filled with low content of graphene nanoplatelets prepared by scCO2 dissolution
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-02-13)
Article
Open AccessPolyetherimide (PEI) foams with graphene nanoplatelets (GnP) were prepared by supercritical carbon dioxide (scCO2) dissolution. Foam precursors were prepared by melt-mixing PEI with variable amounts of ultrasonicated GnP ... -
Role of amospheric boundary layer processes in the diurnal evolution of CO2 concentration
(Universitat Politècnica de Catalunya, 2012-03-08)
Master thesis
Open AccessAtmospheric boundary layer (ABL) is the lower portion of the troposphere that links the biosphere and atmosphere by exchanging heat, moisture, carbon dioxide (CO2) and other constituents between them. Interpretation of ... -
Selecció d’un co-solvent per a la hidrogenació d’olis vegetals en CO2 supercrític: millora de la seguretat del procés
(Universitat Politècnica de Catalunya, 2006-11)
Master thesis (pre-Bologna period)
Open AccessEn aquest projecte i els que el continuïn, es proposa combinar els avantatges del CO2 com a solvent supercrític modificat mitjançant l’addició d’un co-solvent, amb la dinàmica de fluids computacional, en l’estudi de la ...
