2024-03-29T11:46:16Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1969692021-12-03T11:46:21Zcom_10261_35com_10261_5col_10261_288
2019-12-18T08:46:40Z
urn:hdl:10261/196969
Ca-based catalysts for the production of high-quality bio-oils from the catalytic co-pyrolysis of grape seeds and waste tyres
Sanahuja-Parejo, Olga
Veses Roda, Alberto
López Sebastián, José Manuel
Murillo Villuendas, Ramón
Callén Romero, Mª Soledad
García Martínez, Tomás
Ministerio de Economía y Competitividad (España)
European Commission
Gobierno de Aragón
Sanahuja-Parejo, Olga [0000-0001-9460-7206]
Veses Roda, Alberto [0000-0002-7589-2643]
López Sebastián, José Manuel [0000-0002-6203-8835]
Murillo Villuendas, Ramón [0000-0002-0299-506X]
Callén Romero, Mª Soledad [0000-0001-6063-7386]
García Martínez, Tomás [0000-0003-4255-5998]
Co-pyrolysis
Biomass
Waste tyres
Bio-oils
Ca-based catalyst
Auger reactor
4 Figuras,7 Tablas.-- Material suplementario disponible en línea en http://www.mdpi.com/2073-4344/9/12/992/s1
The catalytic co-pyrolysis of grape seeds and waste tyres for the production of high-quality bio-oils was studied in a pilot-scale Auger reactor using different low-cost Ca-based catalysts. All the products of the process (solid, liquid, and gas) were comprehensively analysed. The results demonstrate that this upgrading strategy is suitable for the production of better-quality bio-oils with major potential for use as drop-in fuels. Although very good results were obtained regardless of the nature of the Ca-based catalyst, the best results were achieved using a high-purity CaO obtained from the calcination of natural limestone at 900 °C. Specifically, by adding 20 wt% waste tyres and using a feedstock to CaO mass ratio of 2:1, a practically deoxygenated bio-oil (0.5 wt% of oxygen content) was obtained with a significant heating value of 41.7 MJ/kg, confirming its potential for use in energy applications. The total basicity of the catalyst and the presence of a pure CaO crystalline phase with marginal impurities seem to be key parameters facilitating the prevalence of aromatisation and hydrodeoxygenation routes over the de-acidification and deoxygenation of the vapours through ketonisation and esterification reactions, leading to a highly aromatic biofuel. In addition, owing to the CO2-capture effect inherent to these catalysts, a more environmentally friendly gas product was produced, comprising H2 and CH4 as the main components.
2019-12-18T08:46:40Z
2019-12-18T08:46:40Z
2019-11-26
artículo
Catalysts 9(12): 992 (2019)
2073-4344
http://hdl.handle.net/10261/196969
10.3390/catal9120992
2073-4344
http://dx.doi.org/10.13039/501100003329
http://dx.doi.org/10.13039/501100010067
http://dx.doi.org/10.13039/501100000780
eng
Publisher's version
http://dx.doi.org/10.3390/catal9120992
Sí
info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/ENE2015-68320-R
https://creativecommons.org/licenses/by/4.0/
openAccess
Molecular Diversity Preservation International