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Phenolics Production through Catalytic Depolymerization of Alkali Lignin with Metal Chlorides
Zhang, Xinghua; Zhang, Qi; Long, Jinxing; Xu, Ying; Wang, Tiejun; Ma, Longlong; Li, Yuping
2014
发表期刊BIORESOURCES
卷号9期号:2页码:3347-3360
摘要Lignin is an important renewable source of phenolic products. In this study, alkali lignin was depolymerized to produce phenolic compounds. The effects of catalyst, solvent, reaction time, and reaction temperature on the yields of liquid products and volatile fractions were investigated in detail. Compared with the solvents water and octane, alcohols can significantly promote depolymerization of lignin due to the excellent solubility of the degradation products and intermediates. Under the conditions of 300 degrees C for 2 h in the solvent ethanol, the highest yields of liquid products (75.8 wt%) and volatile fraction (38.1 wt%) were obtained over a ZnCl2 catalyst. Gas chromatograph-mass spectroscopy analysis demonstrated that the volatile fraction was composed of guaiacols (15.09 wt%), phenols (15.79 wt%), and syringols (2.28 wt%). Furthermore, the mechanism for lignin depolymerization is discussed.
文章类型Article
关键词Alkali Lignin Catalytic Depolymerization Metal Chlorides Phenolic Compounds
WOS标题词Science & Technology ; Technology
研究领域[WOS]Materials Science
关键词[WOS]HOT-COMPRESSED WATER ; ACID CATALYSTS ; WOOD LIGNIN ; PYROLYSIS ; ETHANOL ; HYDRODEOXYGENATION ; DEGRADATION ; CONVERSION ; HYDROGENOLYSIS ; HEMICELLULOSE
收录类别SCI
语种英语
WOS类目Materials Science, Paper & Wood
WOS记录号WOS:000336960700122
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10609
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
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GB/T 7714
Zhang, Xinghua,Zhang, Qi,Long, Jinxing,et al. Phenolics Production through Catalytic Depolymerization of Alkali Lignin with Metal Chlorides[J]. BIORESOURCES,2014,9(2):3347-3360.
APA Zhang, Xinghua.,Zhang, Qi.,Long, Jinxing.,Xu, Ying.,Wang, Tiejun.,...&Li, Yuping.(2014).Phenolics Production through Catalytic Depolymerization of Alkali Lignin with Metal Chlorides.BIORESOURCES,9(2),3347-3360.
MLA Zhang, Xinghua,et al."Phenolics Production through Catalytic Depolymerization of Alkali Lignin with Metal Chlorides".BIORESOURCES 9.2(2014):3347-3360.
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