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题名: Synthesis of metallic Ni-Co/graphene catalysts with enhanced hydrodesulfurization activity via a low-temperature plasma approach
作者: Wang, Xuzhen1, 2, 3;  Xu, Wenya1;  Liu, Ning1;  Yu, Zhengfa2, 3;  Li, Yong4;  Qiu, Jieshan2, 3
关键词: Ni-Co bimetal ;  Graphene ;  Low temperature plasma ;  Hydrodesulfurization ;  Carbonyl sulfide
刊名: CATALYSIS TODAY
发表日期: 2015-11-01
DOI: 10.1016/j.cattod.2015.04.026
卷: 256, 页:203-208
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Graphene sheets (GS) supported monometal (Ni, Co) or bimetal (Ni-Co) nanoparticle composites have been conveniently prepared with the assistance of dielectric barrier discharge (DBD) plasma at low temperature. Both graphene oxide and the metal ions (Ni2+, Co2+) can be simultaneously reduced during the DBD plasma treatment in H-2 atmosphere, which gives rise to the uniformly distributed metal nanopartides on the surface of GS. The graphene-based catalysts are used in the catalytic hydrodesulfurization (HDS) of carbonyl sulfide (COS). It is revealed that the bimetallic Ni-Co/GS catalyst exhibits outstanding performance for higher COS conversion compared with the monometal catalysts, suggesting the synergetic effect between Ni and Co active species in the HDS reaction. The presented strategy demonstrates a new pathway for the preparation of graphene-based catalysts with high HDS catalytic performance. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: BIMETALLIC CATALYSTS ;  CARBONYL SULFIDE ;  GRAPHENE ;  HYDROGEN ;  NANOPARTICLES ;  NANOMATERIALS ;  STABILITY ;  REMOVAL ;  SUPPORT ;  NICKEL
语种: 英语
WOS记录号: WOS:000360085300027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146471
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, Sch Chem, Fac Chem Environm & Biol Sci & Technol, Dalian, Peoples R China
2.Dalian Univ Technol, Carbon Res Inst, Liaoning Key Lab Energy Mat & Chem Engn, Fac Chem Environm & Biol Sci & Technol, Dalian, Peoples R China
3.Dalian Univ Technol, State Key Lab Fine Chem, Fac Chem Environm & Biol Sci & Technol, Dalian, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian, Peoples R China

Recommended Citation:
Wang, Xuzhen,Xu, Wenya,Liu, Ning,et al. Synthesis of metallic Ni-Co/graphene catalysts with enhanced hydrodesulfurization activity via a low-temperature plasma approach[J]. CATALYSIS TODAY,2015,256:203-208.
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