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题名: Synthesis and catalytic reactivity of MCM-22/ZSM-35 composites for olefin aromatization
作者: Niu, XL;  Song, YQ;  Xie, SJ;  Liu, SL;  Wang, QX;  Xu, LY
通讯作者: 徐龙伢
关键词: MCM-22/ZSM-35 composites ;  synthesis ;  aromatization ;  olefin
刊名: CATALYSIS LETTERS
发表日期: 2005-10-01
DOI: 10.1007/s10562-005-7156-4
卷: 103, 期:3-4, 页:211-218
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 804
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: A series of MCM-22/ZSM-35 composites has been hydrothermally synthesized and characterized by XRD, SEM, particle size distribution analysis, N-2 adsorption and NH3-TPD techniques. Pulse and continuous flow reactions were carried out to evaluate the catalytic performances of these composites in aromatization of olefins, respectively. It was found that MCM-22/ZSM-35 composites could be rapidly crystallized at 174 degrees C with an optimal gel composition of SiO2/Al2O3=25, Na2O/SiO2=0.11, HMI/SiO2=0.35, and H2O/SiO2=45 (molar ratio), of which the weight ratio of ZSM-35 zeolite in the composite relied on the crystallization time. The coexistence of MCM-22 and ZSM-35 in the composite (MCM-22/ZSM-35=45/55 wt/wt) was observed to exert a notable synergistic effect on the aromatization ability for butene conversion and FCC gasoline updating, possibly due to the intergrowth of some MCM-22 and ZSM-35 layers.
关键词[WOS]: SKELETAL ISOMERIZATION ;  ZEOLITE MCM-22 ;  SHAPE SELECTIVITY ;  ZSM-5 ;  PRECURSORS ;  ACIDITY
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000232030200008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/93131
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

Recommended Citation:
Niu, XL,Song, YQ,Xie, SJ,et al. Synthesis and catalytic reactivity of MCM-22/ZSM-35 composites for olefin aromatization[J]. CATALYSIS LETTERS,2005,103(3-4):211-218.
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