Browsing by Subject "Biodièsels"
Now showing items 1-20 of 24
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A molecular simulation study on transport properties of FAMEs in high-pressure conditions
(Elsevier, 2022)
Article
Open AccessTransport property prediction of fatty acid methyl esters (FAMEs) is essential to its utilisation as biodiesel and biolubricant which can work under high-pressure conditions. Equilibrium molecular simulation is performed ... -
Algae biodiesel: latest discoveries and market prospects
(Universitat Politècnica de Catalunya, 2018-01-18)
Bachelor thesis
Open AccessPulsed Electric Fields is an innovative treatment based in the concept of electroporation (or electropermeabilitzation). This, despite not being fully understood, can be briefly described as the permeabilization of a cell ... -
Algas, fuente sostenible de bioenergéticos
(2012-06)
Article
Restricted access - publisher's policy -
Binary interaction parameters from reacting mixture data. Supercritical biodiesel process with CO2 as cosolvent
(2019-01-01)
Article
Open AccessA method is presented for the calculation of binary interaction parameters from reacting mixture data. The process studied is the supercritical methanol transesterification of triolein with CO2 as cosolvent. The reaction ... -
Biodiesel production using supercritical methanol/carbon dioxide mixtures in a continuous reactor
(Elsevier Science Ltd., 2011-03-01)
Article
Restricted access - publisher's policyFatty acid methyl esters (biodiesel) were produced by the transesterification of triglycerides with compressed methanol (critical point at 240 C and 81 bar) in the presence of solid acids as heterogeneous catalyst (SAC-13). ... -
Catalytic performance of bulk and Al2O3-supported molybdenum oxide for the production of biodiesel from oil with high free fatty acids content
(2020-02)
Article
Open AccessNon-edible vegetable oils are characterized by high contents of free fatty acids (FFAs) that prevent from using the conventional basic catalysts for the production of biodiesel. In this work, solid acid catalysts are used ... -
Contribució a la determinació dels esteril glucòsids en el biodièsel
(Universitat Politècnica de Catalunya, 2012-07)
Master thesis (pre-Bologna period)
Open AccessEn aquest treball s’ha fet una contribució a l’anàlisi dels esteril glucòsids en biodièsel. Els esteril glucòsids són aquells compostos formats per un glúcid i per un esterol. L’anàlisi ha consistit en la realització de ... -
Direct liquid-liquid extraction of lipid from municipal sewage sludge for biodiesel production
(2014-12-01)
Article
Open AccessMunicipal sludge from wastewater treatment plants is a promising lipid feedstock for biodiesel production as it contains a significant amount of lipids. However, the energy necessary to remove its high water content is a ... -
Disseny i càlcul de l’estructura d’un procés industrial a Portugal
(Universitat Politècnica de Catalunya, 2024-01)
Master thesis
Restricted access - author's decisionLa transició energètica és essencial per a reduir les emissions de gasos d'efecte d'hivernacle, mitigar el canvi climàtic i garantir un futur sostenible per a les generacions esdevenidores. En passar a fonts d'energia ... -
Effects of pre-treatments on the lipid extraction and biodiesel production from municipal WWTP sludge
(2015-02-01)
Article
Open AccessBiodiesel production is currently limited due to high raw material costs. The potential of using sludge from municipal wastewater treatment plants as an alternative lipid feedstock was investigated. Four different types ... -
Estudi de la viabilitat de l’ús del biodièsel a Catalunya segons les emissions de CO2
(Universitat Politècnica de Catalunya, 2022-08-24)
Bachelor thesis
Open AccessL’augment continu d’emissions de Gasos d’Efecte Hivernacle i específicament el diòxid de carboni C02 ha estat un problema a nivell mundial durant les últimes dècades abraçant àmbits tant polítics i socials com mediambientals ... -
Estudi de viabilitat d’una estació de processament d’oli vegetal usat en la indústria alimentària per a ús com a combustible
(Universitat Politècnica de Catalunya, 2021-07-12)
Bachelor thesis
Restricted access - author's decision
Covenantee: Casa MasÉs possible recuperar i revaloritzar els olis usats d’una industria alimentaria per consumir-los com a combustible i al mateix temps fer l’autogestió d’aquests residus. Fent una sèrie de tractaments a l’oli brut que resta ... -
Estudio del efecto del agua en la producción de biodiesel en condiciones supercríticas
(Universitat Politècnica de Catalunya, 2014-03)
Master thesis
Restricted access - author's decisionEl presente trabajo de fin de máster forma parte de una serie de estudios realizados por el Grupo de Reactores Químicos e Ingeniería de Fluidos, cuyo objetivo es la producción de biodiesel por medio de grasas animales ... -
Estudio y desarrollo de una planta piloto para la obtención de biodiesel
(Universitat Politècnica de Catalunya, 2010-06-17)
Master thesis (pre-Bologna period)
Open AccessL'ús d'energies renovables ha anat en augment a causa de l'excés de contaminació produïda pels combustibles fòssils utilitzats principalment en l'actualitat. A causa de l'escassetat de reserves de combustibles fòssils com ... -
Evaluation of different sludges from WWTP as a potential source for biodiesel production
(2012)
Article
Restricted access - publisher's policyBiodiesel expansion is currently limited due to high raw material costs for its produc tion. The potential of using sludge from municipal wastewater treatment plants as an alternative lipid feedstock for biodiesel ... -
Instalación de una planta de biodiesel
(Universitat Politècnica de Catalunya, 2007-01)
Master thesis (pre-Bologna period)
Restricted access - author's decision -
Pollutant emissions and combustion efficiency assessment of engines using biodiesel
(Multidisciplinary Digital Publishing Institute, 2020-12-03)
Article
Open AccessThis paper evaluates the biodiesel produced by a biodiesel plant located in the Mexican Centre for Cleaner Production (CMP + L by its acronym in Spanish) of the National Polytechnic Institute of Mexico. Pollutant emissions ... -
Producción de biodiesel a partir de aceites vegetales domésticos usados en la provincia de Valparaíso, Chile
(Universitat Politècnica de Catalunya / Universitat de Barcelona, 2012-07)
Master thesis
Restricted access - confidentiality agreement -
Producción de biodiesel mediante destilación reactiva
(Universitat Politècnica de Catalunya, 2012-02)
Master thesis
Restricted access - author's decisionEn el presente proyecto se ha presentado la producción de biodiesel desde un punto de vista generalista para luego centrarse en el objeto de este trabajo. En una primera aproximación se discute el uso del biodiesel ... -
Study and development of a methodology to estimate the CO2 emissions related to the cultivation, production and transport of biodiesel
(Universitat Politècnica de Catalunya, 2019-01-20)
Master thesis
Restricted access - author's decisionThe objective of this master thesis is to develop a methodology to estimate the CO2 emissions related to the cultivation production and transport of a raw material used for the biodiesel composition. This thesis will also ...