Tungsten-Based Bimetallic Catalysts for Selective Cleavage of Lignin C-O Bonds

doi:10.1002/cctc.201701240

	Tungsten-Based Bimetallic Catalysts for Selective Cleavage of Lignin C-O Bonds
	Ji, Jianwei 1,2; Guo, Haiwei 1,3; Li, Changzhi 1; Qi, Zaojuan 1,4; Zhang, Bo 1; Dai, Tao 1,3; Jiang, Min 2; Ren, Chuanqing 2; Wang, Aiqin 1; Zhang, Tao 1
刊名	CHEMCATCHEM
	2018-01-23
卷号	10 期号:2 页码:415-421
关键词	Arenes Biomass Hydrogen Solvent Effects Tungsten
ISSN号	1867-3880
DOI	10.1002/cctc.201701240
文献子类	Article
英文摘要	Tungsten-based bimetallic catalysts M-W/AC (M=Ru, Pt, and Pd; AC=activated carbon) exhibited high activity and selectivity in the hydrogenolysis of typical -O-4 model compounds and deconstruction of lignin feedstock for the production of aromatic chemicals. Synergy effect was observed between tungsten and noble-metal species, which on the one hand modulated the hydrogenolysis activity of tungsten and improved the activity of catalyst, and on the other hand suppressed overhydrogenation that avoided the formation of cycloalkanes. The conversion of -O-4 model compounds with different substituents showed that electronic effects play an important role in stabilizing the reaction intermediates, and the electron-donating methoxy group on the aromatic ring accelerated the hydrogenolysis efficiency. Solvent effect was another factor that determined hydrogenolysis efficiency; dipolar aprotic solvents such as n-hexane provided the high yields of target aromatics. In the conversion of realistic lignins, the bimetallic catalyst showed excellent activity not only in -O-4 cleavage but also in the hydrogenolysis of other major linkages such as -O-4 and - between aromatic units, so that a high yield of liquid oil was obtained from lignin.
WOS关键词	RAW WOODY BIOMASS ; BETA-O-4 LINKAGES ; ORGANOSOLV LIGNIN ; MODEL COMPOUNDS ; HYDROGENOLYSIS ; CHEMICALS ; CARBIDE ; SOLVENT ; NICKEL ; FUELS
WOS研究方向	Chemistry
语种	英语
出版者	WILEY-V C H VERLAG GMBH
WOS记录号	WOS:000423197900012
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/168496]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者	Li, Changzhi; Zhang, Tao
作者单位	1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China 2.Shaanxi Univ Technol, Sch Chem & Environm Sci, Shaanxi Key Lab Catalysis, Hanzhong 723001, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Xiangtan Univ, Coll Chem, Xiangtan 411105, Hunan, Peoples R China
推荐引用方式 GB/T 7714	Ji, Jianwei,Guo, Haiwei,Li, Changzhi,et al. Tungsten-Based Bimetallic Catalysts for Selective Cleavage of Lignin C-O Bonds[J]. CHEMCATCHEM,2018,10(2):415-421.
APA	Ji, Jianwei.,Guo, Haiwei.,Li, Changzhi.,Qi, Zaojuan.,Zhang, Bo.,...&Zhang, Tao.(2018).Tungsten-Based Bimetallic Catalysts for Selective Cleavage of Lignin C-O Bonds.CHEMCATCHEM,10(2),415-421.
MLA	Ji, Jianwei,et al."Tungsten-Based Bimetallic Catalysts for Selective Cleavage of Lignin C-O Bonds".CHEMCATCHEM 10.2(2018):415-421.