期刊
APPLIED ENERGY
卷 117, 期 -, 页码 142-148出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2013.12.002
关键词
Microwave irradiation; Microcrystalline cellulose; Particle size; Crystalline index; Biomass bioconversion
资金
- National Basic Research Program of China (973 Program) [2011CB707401]
- National High Technology Research and Development Program of China (863 Program) [2012AA022301]
- 100 Talents Program of the Chinese Academy of Sciences
- Youth Fund from National Key Laboratory of Biochemical Engineering
The process of microwave irradiation (MWI) pretreatment on microcrystalline cellulose (MCC) with different sizes with/without NaOH was investigated on the variation of the ratio of degradated solid residue (R-DS), particle size, crystallinity index (CrI), crystallite size (Sc) and specific surface area (SSA). High concentration of alkali or high temperature was necessary in dissolving or decomposing the cellulose. Appropriate pretreatment severity eliminated the effects of structural diversities in feedstocks, which led to convergence in the ethanol fermentation. After the reaction proceeded to 120 h, the samples could be converted to glucose completely and the highest ethanol yield of the theoretical was 58.91% for all the samples pretreated by the combined treatment of MWI and NaOH. In addition, the statistical analysis implied that when reaction time got to 24 h, particle size and pretreatment condition affected much more significant than other factors. (C) 2013 Elsevier Ltd. All rights reserved.
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