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XRD and XPS studies on the ultra-uniform Raney-Ni catalyst prepared from the melt-quenching alloy; XRD and XPS studies on the ultra-uniform Raney-Ni catalyst prepared from the melt-quenching alloy
Lei, H; Song, Z; Bao, XH; Mu, XH; Zong, BN; Min, EZ
关键词Xrd Xrd Xps Xps Raney-ni Raney-ni Melt-quenching Melt-quenching Hydrogen Pretreatment Hydrogen Pretreatment
刊名SURFACE AND INTERFACE ANALYSIS ; SURFACE AND INTERFACE ANALYSIS
2001-08-01 ; 2001-08-01
32期:1页:210-213
收录类别ISTP ; ISTP ; SCI ; SCI
文章类型Article ; Article
部门归属5018 ; 5018
项目归属502 ; 502
WOS标题词Science & Technology ; Science & Technology ; Physical Sciences ; Physical Sciences
类目[WOS]Chemistry, Physical ; Chemistry, Physical
研究领域[WOS]Chemistry ; Chemistry
关键词[WOS]RAY PHOTOELECTRON-SPECTROSCOPY ; RAY PHOTOELECTRON-SPECTROSCOPY ; HYDROGEN ; HYDROGEN
英文摘要We present a novel method for preparing an ultra-uniform Raney-Ni catalyst, which includes melt-quenching, hydrogen treatment and leaching in an alkali solution. The resultant catalyst shows superior activity in the reaction of cyclohexanone hydrogenation. X-ray diffraction (XRD) and XPS have been employed to characterize the catalysts. As demonstrated, the pretreatment with hydrogen caused a distinct phase transfer of the Ni-Al alloys, forming more of the Ni2Al3 component. In the subsequent leaching process, the Ni2Al3 component shows high activity and the resultant catalyst exhibits high surface areas and small pores. Moreover, metallic Al in the hydrogen-pretreated alloy appeared to be leached more easily and thus the aluminium species remaining on the catalyst surface is aluminium oxide predominantly, which serves as a matrix to stabilize active Ni species on the surface. Copyright (C) 2001 John Wiley & Sons, Ltd.; We present a novel method for preparing an ultra-uniform Raney-Ni catalyst, which includes melt-quenching, hydrogen treatment and leaching in an alkali solution. The resultant catalyst shows superior activity in the reaction of cyclohexanone hydrogenation. X-ray diffraction (XRD) and XPS have been employed to characterize the catalysts. As demonstrated, the pretreatment with hydrogen caused a distinct phase transfer of the Ni-Al alloys, forming more of the Ni2Al3 component. In the subsequent leaching process, the Ni2Al3 component shows high activity and the resultant catalyst exhibits high surface areas and small pores. Moreover, metallic Al in the hydrogen-pretreated alloy appeared to be leached more easily and thus the aluminium species remaining on the catalyst surface is aluminium oxide predominantly, which serves as a matrix to stabilize active Ni species on the surface. Copyright (C) 2001 John Wiley & Sons, Ltd.
语种英语 ; 英语
原文出处查看原文 ; 查看原文
WOS记录号WOS:000170551800046 ; WOS:000170551800046
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/92031
专题中国科学院大连化学物理研究所
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
推荐引用方式
GB/T 7714
Lei, H,Song, Z,Bao, XH,et al. XRD and XPS studies on the ultra-uniform Raney-Ni catalyst prepared from the melt-quenching alloy, XRD and XPS studies on the ultra-uniform Raney-Ni catalyst prepared from the melt-quenching alloy[J]. SURFACE AND INTERFACE ANALYSIS, SURFACE AND INTERFACE ANALYSIS,2001, 2001,32, 32(1):210-213, 210-213.
APA Lei, H,Song, Z,Bao, XH,Mu, XH,Zong, BN,&Min, EZ.(2001).XRD and XPS studies on the ultra-uniform Raney-Ni catalyst prepared from the melt-quenching alloy.SURFACE AND INTERFACE ANALYSIS,32(1),210-213.
MLA Lei, H,et al."XRD and XPS studies on the ultra-uniform Raney-Ni catalyst prepared from the melt-quenching alloy".SURFACE AND INTERFACE ANALYSIS 32.1(2001):210-213.
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