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A review of catalytic hydrodeoxygenation of lignin-derived phenols from biomass pyrolysis
► First review of the catalytic hydrodeoxygenation (HDO) of lignin-derived phenols. ► Review of the applied HDO catalysts. ► Review of reaction mechanism of HDO of lignin-derived phenols. ► Review of the kinetics of HDO of different lignin-derived model compounds. ► HDO-prospects and required furthe...
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Published in: | Bioresource technology 2012-11, Vol.124, p.470-477 |
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Main Authors: | , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | ► First review of the catalytic hydrodeoxygenation (HDO) of lignin-derived phenols. ► Review of the applied HDO catalysts. ► Review of reaction mechanism of HDO of lignin-derived phenols. ► Review of the kinetics of HDO of different lignin-derived model compounds. ► HDO-prospects and required further research and developments are discussed.
Catalytic hydrodeoxygenation (HDO) of lignin-derived phenols which are the lowest reactive chemical compounds in biomass pyrolysis oils has been reviewed. The hydrodeoxygenation (HDO) catalysts have been discussed including traditional HDO catalysts such as CoMo/Al2O3 and NiMo/Al2O3 catalysts and transition metal catalysts (noble metals). The mechanism of HDO of lignin-derived phenols was analyzed on the basis of different model compounds. The kinetics of HDO of different lignin-derived model compounds has been investigated. The diversity of bio-oils leads to the complexities of HDO kinetics. The techno-economic analysis indicates that a series of major technical and economical efforts still have to be investigated in details before scaling up the HDO of lignin-derived phenols in existed refinery infrastructure. Examples of future investigation of HDO include significant challenges of improving catalysts and optimum operation conditions, further understanding of kinetics of complex bio-oils, and the availability of sustainable and cost-effective hydrogen source. |
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ISSN: | 0960-8524 1873-2976 |
DOI: | 10.1016/j.biortech.2012.08.089 |