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题名: Study of WO3 Supported on Different Carrier by TPS
作者: Ji Chunxin1;  Wei Zhaoxin1;  Xin Qin1
关键词: WO3 ;  gamma-Al2O3 ;  TiO2-Al2O3 ;  Carbon ;  TPS
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 1994
DOI: 10.3866/PKU.WHXB19941003
卷: 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
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139443
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 Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
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.
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