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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
Source PublicationCATALYSIS TODAY
Volume298Pages:89-98
AbstractCatalytic 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.
SubtypeArticle
KeywordLignin Hdo Beta-o-4 Linkage Catalytic Depolymerization Zno-al2o3 Composite
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.cattod.2017.05.048
WOS KeywordLIGNOCELLULOSIC BIOMASS ; NI/AL2O3 CATALYST ; REACTION NETWORK ; FORMIC-ACID ; ARYL ETHERS ; CONVERSION ; NI ; HYDRODEOXYGENATION ; DEPOLYMERIZATION ; HYDROGENATION
Indexed BySCI ; ISTP
Language英语
WOS Research AreaChemistry ; Engineering
Funding OrganizationNational Natural Science Foundation of China(21276263 ; 21761132006 ; U1162203 ; 21676287)
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS IDWOS:000412315000013
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/9604
Collection多相催化转化研究组
Affiliation1.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
Recommended Citation
GB/T 7714
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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