Browsing by Author "Larrayoz Iriarte, María Angeles"
Now showing items 1-8 of 8
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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). ... -
Continuous production of biodiesel from vegetable oil using supercritical ethanol/carbon dioxide mixtures
(2012-04)
Article
Restricted access - publisher's policyBiodiesel production is worthy of continued study and optimization of production procedures because of its environmentally beneficial attributes and its renewable nature. Transesterification of triglycerides using supercritical ... -
Crystallization of microparticulate pure polymorphs of active pharmaceutical ingredients using CO 2-expanded solvents
(2012-04-04)
Article
Open AccessThe feasibility of the Depressurization of an Expanded Liquid Organic Solution (DELOS) method to process different active pharmaceutical ingredients (APIs) as finely divided powders with narrow particle size distribution, ... -
Glycerol desorption from ion exchange and adsorbent resin using supercritical fluid technology: An optimization study
(2011-09)
Article
Restricted access - publisher's policyIn this study, glycerol desorption from Purolite® PD206 resin was investigated using conventional and supercritical fluids (SCF) techniques. Untreated biodiesel was purified by dry washing using the resin and, after ... -
Process intensification using CO2 as cosolvent under supercritical conditions applied to the design of biodiesel production
(2014-03-12)
Article
Restricted access - publisher's policyIn this work, a new process for biodiesel production under supercritical conditions in presence of cosolvent (CO2) is designed and simulated using the process simulator Aspen Plus. The model was developed using experimental ... -
Using CFD to estimate external mass transfer coefficients and intra-particle diffusional effects on the supercritical hydrogenation of sunflower oil
(Bentham Science Publishers, 2012-09-02)
Part of book or chapter of book
Restricted access - publisher's policyHydrogenation of vegetable oils is an important process in the food industry because of its widespread application to produce margarines, shortenings, and other food components. Supercritical technology has proven to be ... -
Vegetable oil tansesterification in supercritical conditions using Co-solvent carbon dioxide over solid catalysts: A screening study
(American Chemical Society (ACS), 2014-09-01)
Article
Restricted access - publisher's policyThe transesterification reaction employing supercritical methanol and carbon dioxide used as a co-solvent in the presence of several heterogeneous solid acid catalysts was investigated. The solid acid catalysts were prepared ... -
Wall-to-fluid heat transfer in a catalytic reactor at supercritical conditions
(2015)
Conference report
Open AccessComputational fluid dynamics (CFD) studies can be used for improving the understanding of fluid flow and heat transfer in packed bed systems. The objective of this work was to study the heat effects in packed bed reactor ...
