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Effect of steam on the acid strength of H3PW12O40/SiO2 center dot nH(2)O and its application in skeletal isomerization of n-butane
He, SB; Liu, XP; Xie, SJ; Wang, QX; Xu, YD; Xu, LY
关键词Hpw/sio2 Nh(2)o Acid Strength Addition Of Steam Skeletal Isomerization Of N-butane
刊名CATALYSIS COMMUNICATIONS
2003-11-01
DOI10.1016/j.catcom.2003.09.001
4期:11页:585-590
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
关键词[WOS]HETEROPOLY COMPOUNDS ; CATALYSTS
英文摘要The effect of steam on the acid strength of H3PW12O40 (HPW)/SiO2 . nH(2)O was determined by the Hammett indicators. When the steam content in N-2 was 1.6%, the acidity (H-0 > -13.7) of HPW/SiO2 . nH(2)O could be kept for over 10 h at 300 degreesC, but for only 2 h when steam was lacking. When it was used as a catalyst for skeletal isomerization of n-butane to isobutane at 300 degreesC, the HPW/SiO2 . nH(2)O showed stability in the presence of steam (1.6% in feed) better than that without steam, due to a suppression of the loss of crystalline water. (C) 2003 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000186654500006
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139273
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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He, SB,Liu, XP,Xie, SJ,et al. Effect of steam on the acid strength of H3PW12O40/SiO2 center dot nH(2)O and its application in skeletal isomerization of n-butane[J]. CATALYSIS COMMUNICATIONS,2003,4(11):585-590.
APA He, SB,Liu, XP,Xie, SJ,Wang, QX,Xu, YD,&Xu, LY.(2003).Effect of steam on the acid strength of H3PW12O40/SiO2 center dot nH(2)O and its application in skeletal isomerization of n-butane.CATALYSIS COMMUNICATIONS,4(11),585-590.
MLA He, SB,et al."Effect of steam on the acid strength of H3PW12O40/SiO2 center dot nH(2)O and its application in skeletal isomerization of n-butane".CATALYSIS COMMUNICATIONS 4.11(2003):585-590.
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