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Study of WO3 Supported on Different Carrier by TPS
Ji Chunxin; Wei Zhaoxin; Xin Qin
关键词Wo3 Gamma-al2o3 Tio2-al2o3 Carbon Tps
刊名ACTA PHYSICO-CHIMICA SINICA
1994
DOI10.3866/PKU.WHXB19941003
10期:10页:874-881
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
英文摘要The sulfiding procedures of WO3 supported on gamma-Al2O3, TiO2-Al2O3 and carbon were examined by TPS (Temperature-programmed- sulfiding) method. Results show that the number of sulfiding peaks of WO3 increases when the loading of WO3 is raised, it can be elucidated that there exist simulatenously various W spieces on the three different carriers when the loading of WO3 becames higher. Comparing the sulfiding temperature of WO3/TiO2-Al2O3 with that of WO3/gamma-Al2O3, it is found that the presence of TiO3 covered on Al2O3 surface can make WO3 sulfided at lower temperature when WO3 loading is below one monolayer. When carbon is taken as the carrier, the sulfiding temperature of WO3 is greatly decreased, and the phenomenon of carbon carrier being gasified is observed when temperature is higher than 700K during our experiment. In addition, a structure model of WO3 carried on TiO2 Al2O3 is suggested in this issue.
语种英语
WOS记录号WOS:000207589700003
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被引频次:1[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/321008/139443
专题中国科学院大连化学物理研究所
作者单位Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Ji Chunxin,Wei Zhaoxin,Xin Qin. Study of WO3 Supported on Different Carrier by TPS[J]. ACTA PHYSICO-CHIMICA SINICA,1994,10(10):874-881.
APA Ji Chunxin,Wei Zhaoxin,&Xin Qin.(1994).Study of WO3 Supported on Different Carrier by TPS.ACTA PHYSICO-CHIMICA SINICA,10(10),874-881.
MLA Ji Chunxin,et al."Study of WO3 Supported on Different Carrier by TPS".ACTA PHYSICO-CHIMICA SINICA 10.10(1994):874-881.
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