Direct Liquefaction of Corn Stalk in Sub- and Supercritical Methanol

作者:Zhao, W.*; Zong, Z. -M.; Xu, W. -J.; Sheng, C.; Zhang, L. -N.; Wei, X. -Y.
来源:Energy Sources, Part A: Recovery, Utilization, and Environmental Effects , 2010, 32(8): 744-751.
DOI:10.1080/15567030802606152

摘要

Corn stalk was liquefied in methanol under sub/supercritical states and the reaction mixture was extracted with methanol, acetone, and acetone/CS(2) (1:1 vol/vol) mixed solvents equentially. The effects of temperature, time, and the ratio of corn stalk to solvent on the yields of extracts and residue were investigated. The extracts were analyzed with a gas chromatography/mass spectrometer. The results show that corn stalk can be liquefied in sub- and supercritical methanol and over 98% of corn stalk is converted at 300 degrees C and 1.5 h. Benzene-ring-containing compounds, and methyl alkanoates are the dominant constituents of the methanol-extractable fractions from corn stalk liquefied with methanol.