期刊
BIORESOURCE TECHNOLOGY
卷 256, 期 -, 页码 466-477出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2018.02.061
关键词
Biomass; Intermolecular linkages; Catalyst; Solvent; Process control
资金
- National Natural Science Foundation of China [21536007]
- 111 project [B17030]
The abundant intermolecular linkages among cellulose, hemicellulose and lignin significantly limit the utilization of the most promising renewable biomass. Process control with solvents, catalysts and temperature is of significant importance providing ways to break the above linkages, and benefiting to the further conversion of the main biomass components to small molecular products. This article discusses the effect of catalyst under hydrothermal and organosolv treatment emphasizing the cleavage of the intermolecular linkage. Acidic catalysts show good performance on cleaving the linkages between carbohydrates and lignin. Basic catalysts promoted the dissolution of lignin component. Hydrogenolysis assisted conversion of lignin can efficiently break the intermolecular linkages to yield lignin-derived bio-oil, especially in co-solvent reaction system. Besides, the effects of single solvent and co-solvent systems, as well as the cleavage of the intramolecular linkages to yield target chemicals are also included. Several further study strategies are proposed.
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