CAS OpenIR
Facile Fabrication of Ultrasmall Copper Species Confined in Mesoporous Silica for Chemo-Selective and Stable Hydrogenation Ethylene Carbonate Derived from CO2
Zhang, Chanjuan1,2,3,4; Wang, Liguo1,3,4; Liu, Jiaju1; Yang, Yanmi1; He, Peng1; Cao, Yan1; Chen, Jiaqiang1; Li, Huiquan1,3,4
2018-10-23
Source PublicationCHEMCATCHEM
ISSN1867-3880
Volume10Issue:20Pages:4617-4628
Abstract

The hydrogenation of ethylene carbonate to co-produce commodity methanol and ethylene glycol has attracted growing interests due to the potential chemical utilization of CO2 in large scale. In this work, we report a novel and facile protocol for the preparation of mesoporous Cu@SiO2 catalysts and successfully applied the as-synthesized catalysts in the hydrogenation of ethylene carbonate. The catalysts were characterized in detail by means of N-2 physisorption, N2O titration, XRD, FT-IR, H-2-TPR, TEM and XPS (XAES). This strategy is an effective method for fabricating the unique flower-like mesoporous Cu@SiO2 with sub-2.0nm ultrasmall Cu particles. The results revealed that the involvement of -cyclodextrin improved the Cu dispersion and facilitated exposing more copper active sites, which also indicated that the confined catalyst inhibiting the sintering of copper particles. Meanwhile, the stability of the attained catalyst was superior with the modification of carbon. Importantly, among the catalysts tested in the hydrogenation of ethylene carbonate, 25Cu@SiO2--P with appropriate copper loading as well as moderate Cu+ ratio exhibited superior catalytic performance. Accordingly, the synergistic effect between the Cu+ and metallic Cu-0 species was crucial for obtaining better catalytic activity.

KeywordCarbon Dioxide Ethylene Carbonate Mesoporous Cu@sio2 Methanol Ethylene Glycol
DOI10.1002/cctc.201800828
Language英语
WOS KeywordAmmonia-evaporation Method ; Precipitation-gel Method ; Cu-based Catalyst ; Dimethyl Oxalate ; Cu/sio2 Catalysts ; Heterogeneous Hydrogenation ; Glycerol Hydrogenolysis ; Cyclic Carbonates ; Methanol ; Performance
Funding ProjectNational Natural Science Foundation of China[21576272]
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
Funding OrganizationNational Natural Science Foundation of China
WOS IDWOS:000448790300018
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/26438
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Liguo; Li, Huiquan
Affiliation1.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Tech Univ Denmark, Chem & Biochem Engn, DK-2800 Lyngby, Denmark
3.Univ Chinese Acad Sci, Sinodanish Coll, Beijing 100049, Peoples R China
4.Univ Chinese Acad Sci, Sinodanish Ctr Educ & Res, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Chanjuan,Wang, Liguo,Liu, Jiaju,et al. Facile Fabrication of Ultrasmall Copper Species Confined in Mesoporous Silica for Chemo-Selective and Stable Hydrogenation Ethylene Carbonate Derived from CO2[J]. CHEMCATCHEM,2018,10(20):4617-4628.
APA Zhang, Chanjuan.,Wang, Liguo.,Liu, Jiaju.,Yang, Yanmi.,He, Peng.,...&Li, Huiquan.(2018).Facile Fabrication of Ultrasmall Copper Species Confined in Mesoporous Silica for Chemo-Selective and Stable Hydrogenation Ethylene Carbonate Derived from CO2.CHEMCATCHEM,10(20),4617-4628.
MLA Zhang, Chanjuan,et al."Facile Fabrication of Ultrasmall Copper Species Confined in Mesoporous Silica for Chemo-Selective and Stable Hydrogenation Ethylene Carbonate Derived from CO2".CHEMCATCHEM 10.20(2018):4617-4628.
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