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Issue 77, 2017
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Application of biochar-based catalysts in biomass upgrading: a review

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Abstract

Biochar is a low-cost carbon-rich material derived from the thermochemical degradation of biomass. Due to its unique chemical structure, biochar with a large surface area and tailored surface functional groups can be easily prepared by activation and/or functionalization, and shows great potential to be used as a versatile catalyst and/or catalyst support in many chemical processes. However, the application of biochars as versatile catalysts and/or catalyst supports for biomass upgrading has not been systematically overviewed so far. In this work, the formation of pyrochar and hydrochar is proposed, and the activation and/or functionalization of biochar are also included. Subsequently, the application of biochar-based catalysts in biomass upgrading, including biochar-based solid acids for biomass hydrolysis and dehydration, biochar-based catalysts for biodiesel production, and biochars as catalyst supports for biomass pyrolysis, gasification, and bio-oil upgrading, are discussed in detail.

Graphical abstract: Application of biochar-based catalysts in biomass upgrading: a review

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Article information


Submitted
22 Aug 2017
Accepted
12 Oct 2017
First published
16 Oct 2017

This article is Open Access

RSC Adv., 2017,7, 48793-48805
Article type
Review Article

Application of biochar-based catalysts in biomass upgrading: a review

X. Cao, S. Sun and R. Sun, RSC Adv., 2017, 7, 48793
DOI: 10.1039/C7RA09307A

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    [Original citation] - Published by The Royal Society of Chemistry.

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