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Título: | Influence of Density on Microwave Pyrolysis of Cellulose |
Autor: | Fan, J.; Shuttleworth, Peter S. CSIC ORCID ; Gronnow, Mark; Breeden, S. W.; Clark, James H.; Macquarrie, Duncan J.; Budarin, Vitaliy L. CSIC | Palabras clave: | Microwave Pyrolysis Cellulose Heating rate Biorefinery Sample density |
Fecha de publicación: | 2018 | Editor: | American Chemical Society | Citación: | ACS Sustainable Chemistry and Engineering 6: 2916-2920 (2018) | Resumen: | Herein we present the influence of sample density on the microwave induced pyrolysis of crystalline cellulose, with heating rate, biochar and bio-oil yields investigated. This Letter demonstrates that sample density is a fundamental parameter influencing microwave-assisted biomass pyrolysis, with a direct impact on heating rate, the speed of volatiles diffusion through the sample matrix and distribution of products. Of significant interest was that the maximum heating rate and bio-oil yield corresponded to an optimum sample density as a result of heat and mass transfer effects. Increase in density above this value stimulated a rise in biochar yield. The increased understanding of the mechanisms influenced by sample density in a microwave field gives increased ability for users to produce bio-oil or biochar, giving rise to improved microwave-based biorefineries for future energy and chemical needs. | Versión del editor: | http://dx.doi.org/10.1021/acssuschemeng.8b00280 | URI: | http://hdl.handle.net/10261/167855 | DOI: | 10.1021/acssuschemeng.8b00280 | Identificadores: | doi: 10.1021/acssuschemeng.8b00280 issn: 2168-0485 |
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