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题名: TPD AND IR STUDIES ON THE DECOMPOSITION OF FORMIC ACID ADSORBED ON ZrO2
作者: Xu Boqing1;  Liang Juan1;  Zheng Lubin1;  Tsutomu, Yamaguchi2;  Kozo, Tanabe2
关键词: Zirconium dioxide ;  Formic acid ;  TPD ;  IR ;  Adsoprtion
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 1991
DOI: 10.3866/PKU.WHXB19910615
卷: 7, 期:6, 页:712-715
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: Decomposition of formic acid adsorbed on ZrO2 catalyst was studied by means of TPD and IR spectroscopy. Two peaks of H2O were observed at about 423 and 623 K in the TPD process. Between the two peaks of H2O, evolution of CO appeared and gave a peak at about 563 K. IR study showed that the adsorption of formic acid led to the formation of a formate(I)and a dimer species(II)of the acid on the surface. At 373-473 K, II was decomposed to H2O which produced the first H2O peak and some new surface formate species (I). At temperature higher than 473 K, the formated species (I), either formed in the initial adsorption of formic acid or produced from II, were decomposed further to CO and surface hydroxyl groups. The main part of the surface hydroxyl groups were eliminated at above 573 K, which produced the second H2O peak.
语种: 英语
WOS记录号: WOS:000207573800015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140455
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, Dalian 116023, Peoples R China
2.Hokkaido Univ, Fac Sci, Dept Chem, Sapporo, Hokkaido 060, Japan

Recommended Citation:
Xu Boqing,Liang Juan,Zheng Lubin,et al. TPD AND IR STUDIES ON THE DECOMPOSITION OF FORMIC ACID ADSORBED ON ZrO2[J]. ACTA PHYSICO-CHIMICA SINICA,1991,7(6):712-715.
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