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Investigation on the cleavage of beta-O-4 linkage in dimeric lignin model compound over nickel catalysts supported on ZnO-Al2O3 composite oxides with varying Zn/Al ratios
Xu, Chen1,2; Tang, Si-Fu1; Sun, Xianyong3; Sun, Yuanyuan1; Li, Guangci1; Qi, Jingbo1,2; Li, Xiaoyu1,2; Li, Xuebing1
2017-12-01
发表期刊CATALYSIS TODAY
卷号298页码:89-98
摘要Catalytic depolymerization of lignin is still a challenge due to its low conversion and repolymerization of the reactive intermediates. Reductive depolymerization over supported nickel catalysts with probable surface acidic and basic properties is a very promising process. It is therefore very important to investigate the effect of acidity and basicity of the supports on catalytic reactivity. In this paper, we synthesized a series of nickel based catalysts supported on ZnO-Al2O3 composites with varying Zn/Al atom ratios (Zn/Al = 2, 3, 5, 8) and tested their catalytic performances over a model compound 2-phenoxy-1-phenylethanone containing beta-O-4 bond. All these catalysts showed 100% conversion by reacting at 250 degrees C for 2 h under 2 MPa of H-2. Higher selectivity towards ethylcyclohexane could be obtained over the catalyst Ni/ZnO-Al2O3-5. The possible cleavage pathways of selective oxidized beta-O-4 ether linkage have been proposed.
文章类型Article
关键词Lignin Hdo Beta-o-4 Linkage Catalytic Depolymerization Zno-al2o3 Composite
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.cattod.2017.05.048
关键词[WOS]LIGNOCELLULOSIC BIOMASS ; NI/AL2O3 CATALYST ; REACTION NETWORK ; FORMIC-ACID ; ARYL ETHERS ; CONVERSION ; NI ; HYDRODEOXYGENATION ; DEPOLYMERIZATION ; HYDROGENATION
收录类别SCI ; ISTP
语种英语
WOS研究方向Chemistry ; Engineering
项目资助者National Natural Science Foundation of China(21276263 ; 21761132006 ; U1162203 ; 21676287)
WOS类目Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS记录号WOS:000412315000013
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/9604
专题多相催化转化团队
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biofuels, Qingdao 266101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Natl Inst Clean & Low Carbon Energy NICE, Beijing 102211, Peoples R China
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Xu, Chen,Tang, Si-Fu,Sun, Xianyong,et al. Investigation on the cleavage of beta-O-4 linkage in dimeric lignin model compound over nickel catalysts supported on ZnO-Al2O3 composite oxides with varying Zn/Al ratios[J]. CATALYSIS TODAY,2017,298:89-98.
APA Xu, Chen.,Tang, Si-Fu.,Sun, Xianyong.,Sun, Yuanyuan.,Li, Guangci.,...&Li, Xuebing.(2017).Investigation on the cleavage of beta-O-4 linkage in dimeric lignin model compound over nickel catalysts supported on ZnO-Al2O3 composite oxides with varying Zn/Al ratios.CATALYSIS TODAY,298,89-98.
MLA Xu, Chen,et al."Investigation on the cleavage of beta-O-4 linkage in dimeric lignin model compound over nickel catalysts supported on ZnO-Al2O3 composite oxides with varying Zn/Al ratios".CATALYSIS TODAY 298(2017):89-98.
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