One-pot catalytic hydrolysis/hydrogenation of cellobiose into hexitols over Ru/Al-MCM-48 A. Romero, J.A. Díaz, A. Nieto-Márquez, N. Essayem, E. Alonso, C. Pinel Microporous and Mesoporous Materials Volume 271, 15 November 2018, Pages 186–195 Access to full-text (free available before July 25, 2018): https://authors.elsevier.com/c/1XArD4xQ95owkV Abstract The simultaneous catalytic hydrolysis and hydrogenation of cellobiose, as a model constituent […]
Category: kinetics
NEW RESEARCH ARTICLE. PRETREATMENT EFFECT ON THE THERMAL DEGRADATION OF A FEEDSTOCK WITH LOW HEMICELLULOSE CONTENT: BRAZILIAN GINSENG
[:en]Pyrolysis is a well-known process for biomass upgrading, and a great deal of works are available about it. However, they focus on conventional lignocellulosic samples, and the information about any other less common samples, while still valuable, is very difficult to find. For instance, Brazilian ginseng (Pfaffia glomerata) is a feedstock without hemicellulose and a […]
Fundación del Centro de Supercomputación de Castilla y León colabora con el Grupo de Procesos a Presión
Dentro del marco del proyecto europeo SHYMAN el Grupo de Procesos a Presión ha colaborado con la Fundación del Centro de Supercomputación de Castilla y León situado en el CRAI-TIC (Centro TIC de Recursos para el Aprendizaje y la Investigación) del Campus de la Universidad de León. Para más detalles de la colaboración se puede […]
CATHYCEL – Ganador Greenweekend Valladolid 2017
El proyecto CATHYCEL, catalizadores para hidrogenación de celulosa y productos lignocelulósicos ha sido presentado por nuestro investigador Alberto Romero y ha ganado la Greenweekend Valladolid 2017. El vídeo explica este concepto de biorrefinería. https://youtu.be/lePesznZO4M
Kinetics analysis of solubilized biomass from a hydrolysis process by supercritical and subcritical water
A suitable technique to upgrade biomass is an essential point in order to make it possible to develop a sustainable economy based on biomass sources. One likely and green option to extract chemicals from biomass is hydrothermal processing. A process that only requires water, high temperature and pressure to fractionate biomass. In the same way, […]
[Thesis]: Innovative Strategies to Enhance Properties of Solid Hydrogen Storage Materials Based on Hydrides
Dr. Miriam Rueda defended her thesis on Friday 18th November 2016 at the University of Valladolid (international PhD by University of Pavia). Nowadays, the development of renewable energy resources is attracting much more attention in order to reduce economic and environmental problems associated to the use of fossil fuels. However, their production is variable during time […]
[Course]: Dynamics of Chemical Reaction Systems
For November 7th to November 10th, Prof. Antonio Alvarez Alonso, from (Bio)Process Engineering Group at IMM-CSIC (Vigo, Spain), will teach the course “Dynamics of Chemical Reaction Systems“. The course will be held at classroom 3 at the department of Systems Engineer (Alfonso VIII). First session will start at 16:00, schedule will be fix subsequently. The objective of this course […]
Kinetic model for hydrothermal fractionation of lignocellulosic biomass in a lab-scale biorefinery
A novel physico-chemical model for hydrothermal fractionation of lignocellulosic biomass in a packed bed reactor is proposed in this work. The objective of this work is to reproduce the experimental behaviour with this model, including the effect of temperature, water flow and biomass properties. To do so, a novel reaction pathway based on two types […]
[Paper]: Adsorption of nickelocene and ruthenocene on mesoporous silica MCM-48 and activated carbon supports in supercritical carbon dioxide
New Research paper: Adsorption of nickelocene and ruthenocene on mesoporous silica MCM-48 and activated carbon supports in supercritical carbon dioxide Álvaro Sastre, Ángel Martín, Esther Alonso / J. Supercritical Fluids 117 (2016) 138-146 Available online until 24 September 2016 http://authors.elsevier.com/a/1TUxC3BwpenVpg
[Paper] The use of modelling to understand the mechanism of hydrogen peroxide direct synthesis from batch, semibatch and continuous reactor points of view
Hydrogen peroxide direct synthesis was experimentally studied in three different reactors, namely the batch, semibatch and trickle bed reactors (TBR), using a new promising catalyst based on Pd/K2621. Excellent results were obtained from the experimental point of view, achieving high H2O2 selectivities, around 90% for a short contact time in the batch reactor, 60% in […]
