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题名: XRD, SEM and EDAX studies of the preparation process of novel Raney-Ni catalyst
作者: Lei, H;  Song, Z;  Tan, DL;  Bao, XH;  Mu, XH;  Zong, BN;  Min, EZ
关键词: Raney-Ni ;  melt-quenching ;  activation ;  Ni2Al3
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2002-11-01
卷: 23, 期:11, 页:2121-2124
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The preparation of the novel Raney-Ni by leaching Ni-Al starting alloys which prepared by melt-quenching and pretreatment was studied by XRD, SEM and EDAX. The existence of particles with the smaller size of crystallite and more contents of Ni2Al3 phase in the melt-quenched starting alloys result in the structure in which more Ni2Al3 phase exist in the bulk and less NiAl3 on the top layer, thus the migration of Al component from bulk to top layer become the rate-controlling step in the leaching process., leaving more Ni2Al3 residue and making the active nickel disperse on the residual Ni2Al3 uniformly.
关键词[WOS]: NICKEL-CATALYST ;  ALLOY
语种: 英语
WOS记录号: WOS:000179416200027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139219
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Res Inst Petr Proc, Beijing 100083, Peoples R China

Recommended Citation:
Lei, H,Song, Z,Tan, DL,et al. XRD, SEM and EDAX studies of the preparation process of novel Raney-Ni catalyst[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2002,23(11):2121-2124.
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