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The suppression of coke deposition by the modification of Mn on Fe/silicalite-2 catalyst in dehydrogenation of C(2)H(6) with CO(2)
Xu, LY; Liu, JX; Xu, YD; Yang, H; Wang, QX; Lin, LW
关键词c(2)h(6) Co(2) Fe/silicalite-2 Catalyst Coking Reaction Kinetics
刊名APPLIED CATALYSIS A-GENERAL
2000-02-28
193期:1-2页:95-101
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
英文摘要For the dehydrogenation of C(2)H(6) with CO(2) to C(2)H(4), a silicalite-2 zeolite supported Fe-Mn catalyst has been developed, with an achievement of 93% of C(2)H(4) selectivity and 66% of C(2)H(6) conversion. The promotion of Mn to the Fe/Si-2 catalyst lies not only in increasing C(2)H(4) selectivity but also in improving the catalytic stability greatly. A thermo-balance was employed to investigate the behavior of coke deposition on Fe/silicalite-2 and Fe-Mn/silicalite-2 catalysts during C(2)H(6) dehydrogenation. By studying the effects of reaction temperature and partial pressures of C(2)H(6) and CO(2) on coke deposition, the kinetic parameters of the coking reaction were satisfied and the corresponding coking reaction kinetics equations were thus established. The rate of coke deposition on Fe-Mn/silicalite-2 is much less than that on Fe/silicalite-2, due to the modification of Mn to the Fe/silicalite-2 catalyst. The promotion of Mn to the improvement of the catalytic stability of the Fe/silicalite-2 catalyst results from the great prohibition of coke formation on Fe-Mn/silicalite-2 catalyst surfaces. (C) 2000 Elsevier Science B.V. All rights reserved.
语种英语
WOS记录号WOS:000085291300010
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被引频次:11[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/321008/138737
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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Xu, LY,Liu, JX,Xu, YD,et al. The suppression of coke deposition by the modification of Mn on Fe/silicalite-2 catalyst in dehydrogenation of C(2)H(6) with CO(2)[J]. APPLIED CATALYSIS A-GENERAL,2000,193(1-2):95-101.
APA Xu, LY,Liu, JX,Xu, YD,Yang, H,Wang, QX,&Lin, LW.(2000).The suppression of coke deposition by the modification of Mn on Fe/silicalite-2 catalyst in dehydrogenation of C(2)H(6) with CO(2).APPLIED CATALYSIS A-GENERAL,193(1-2),95-101.
MLA Xu, LY,et al."The suppression of coke deposition by the modification of Mn on Fe/silicalite-2 catalyst in dehydrogenation of C(2)H(6) with CO(2)".APPLIED CATALYSIS A-GENERAL 193.1-2(2000):95-101.
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