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The partial oxidation of methane to syngas over the nickel-modified hexaaluminate catalysts BaNiyAl12-yO19-delta
Chu, WL; Yang, WS; Lin, LW
关键词Hexaaluminate Baniyal12-yo19--delta Catalyst Partial Oxidation Of Methane Synthesis Gas
刊名APPLIED CATALYSIS A-GENERAL
2002-08-30
235期:1-2页:39-45
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine
类目[WOS]Chemistry, Physical ; Environmental Sciences
研究领域[WOS]Chemistry ; Environmental Sciences & Ecology
关键词[WOS]SYNTHESIS GAS ; CARBON-DIOXIDE ; ALUMINATE CATALYSTS ; DEACTIVATION ; CONVERSION ; MONOLITHS
英文摘要A series of Ni-modified hexaaluminates BaNiyAl12-yO19-delta (y = 0.3, 0.6, 0.9, and 1.0) were prepared by decomposition of nitrates and calcination at high temperature. The crystalline structure and catalytic properties for partial oxidation of methane to synthesis gas were investigated by using X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), temperature-programmed reduction (TPR) and TG techniques. Over all compositions of the systems, the reduced Ni-modified hexaaluminates BaNiyAl12-yO19-delta exhibit significant catalytic activity and stability for the partial oxidation of methane to syngas, with 92% of CH4 conversion and 95% CO selectivity at 850degreesC. After 100h of time on stream, no loss of nickel was detected and carbon deposition is nearly negligible. Both advantageous results were attributed to the strong interaction between nickel and its neighboring atoms in hexaaluminates. (C) 2002 Published by Elsevier Science B.V.
语种英语
WOS记录号WOS:000178021100005
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被引频次:35[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/321008/139123
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Chu, WL,Yang, WS,Lin, LW. The partial oxidation of methane to syngas over the nickel-modified hexaaluminate catalysts BaNiyAl12-yO19-delta[J]. APPLIED CATALYSIS A-GENERAL,2002,235(1-2):39-45.
APA Chu, WL,Yang, WS,&Lin, LW.(2002).The partial oxidation of methane to syngas over the nickel-modified hexaaluminate catalysts BaNiyAl12-yO19-delta.APPLIED CATALYSIS A-GENERAL,235(1-2),39-45.
MLA Chu, WL,et al."The partial oxidation of methane to syngas over the nickel-modified hexaaluminate catalysts BaNiyAl12-yO19-delta".APPLIED CATALYSIS A-GENERAL 235.1-2(2002):39-45.
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