Journal
RSC ADVANCES
Volume 7, Issue 77, Pages 48793-48805Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ra09307a
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Funding
- Fundamental Research Funds for the Central Universities [BLX2015-10]
- National Natural Science Foundation of China [31700518]
- State Key Laboratory of Pulp and Paper Engineering [201517, 201612]
- Beijing Key Lab. [Z16110005016041]
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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.
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