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题名: Post-treatment with ammonium hexafluoro silicate: An effective way to synthesize high silica MCM-22 zeolite
作者: Zhu, XX;  Liu, SL;  Song, YQ;  Xu, LY
关键词: MCM-22 ;  ammonium hexafluorosilicate ;  dealumination ;  butene ;  propene
刊名: CATALYSIS COMMUNICATIONS
发表日期: 2005-11-01
DOI: 10.1016/j.catcom.2005.07.005
卷: 6, 期:11, 页:742-746
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: Ammonium hexafluorosilicate (AHFS) is an effective dealumination reagent for MCM-22 zeolite, and the Si/Al(2) ratio range of MCM-22 was extended largely (SiO(2)/Al(2)O(3) similar to 300) by AHFS treatment. The physicochemical properties of the MCM-22 samples before and after dealumination were characterized by XRD, XRF, N(2) adsorption and pyridine-IR measurements. Also, the samples were used as catalysts in C(4) alkenes catalytic cracking to propene and the results showed that properly dealuminated MCM-22 (Si/ Al(2) ratio 58) exhibited higher activity, better stability and similar product distribution relative to the parent MCM-22 zeolite. (c) 2005 Elsevier B.V. All rights reserved.
关键词[WOS]: ACIDIC CHARACTERISTICS ;  DEALUMINATION METHOD ;  CATALYTIC CRACKING ;  1-BUTENE ;  PROPENE ;  ETHENE ;  XYLENE
语种: 英语
WOS记录号: WOS:000233264700009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139837
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Zhu, XX,Liu, SL,Song, YQ,et al. Post-treatment with ammonium hexafluoro silicate: An effective way to synthesize high silica MCM-22 zeolite[J]. CATALYSIS COMMUNICATIONS,2005,6(11):742-746.
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