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Alkali-treatment of template-containing MCM-22 zeolite and its application in alkylation and transalkylation reactions
Liu, Kefeng1,2; Xie, Sujuan1; Wei, Huijuan1,2; Li, Xiujie1; Liu, Shenglin1; Xu, Longya1
关键词Mcm-22 Zeolite Alkali-treatment Benzene Alkylation Transalkylation
刊名APPLIED CATALYSIS A-GENERAL
2013-11-05
DOI10.1016/j.apcata.2013.09.009
468页:288-295
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
关键词[WOS]LIQUID-PHASE ALKYLATION ; MESOPOROSITY DEVELOPMENT ; ZSM-5 ZEOLITES ; PORE SYSTEMS ; CATALYTIC PERFORMANCES ; MFI ZEOLITES ; N-BUTANE ; P-XYLENE ; DESILICATION ; BENZENE
英文摘要The effects of alkali-treatment on the compositions, acidities, texture properties and pore structures of template-containing MCM-22 zeolite were studied by Py-IR, N-2 adsorption-desorption, o-xylene adsorption, XRD and Si-29 NMR. When template-containing MCM-22 zeolite was alkali-treated, desilication mainly occurred in the Al-poor regions, which broke the crystal sheets into smaller ones. The alkali-treatment process under the moderate conditions had little influence on the microporous properties and crystal structures of MCM-22 zeolite, but improved the diffusion conditions for aromatics mainly by reducing the crystal size. With the preserved framework Al species, the alkali-treated template-containing MCM-22 samples had higher ratio of Bronsted to Lewis acid sites, and exhibited improved catalytic performances in alkylation and transalkylation processes. (C) 2013 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000327804200033
引用统计
被引频次:19[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/321008/137501
专题中国科学院大连化学物理研究所
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 Univ, Beijing 100049, Peoples R China
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Liu, Kefeng,Xie, Sujuan,Wei, Huijuan,et al. Alkali-treatment of template-containing MCM-22 zeolite and its application in alkylation and transalkylation reactions[J]. APPLIED CATALYSIS A-GENERAL,2013,468:288-295.
APA Liu, Kefeng,Xie, Sujuan,Wei, Huijuan,Li, Xiujie,Liu, Shenglin,&Xu, Longya.(2013).Alkali-treatment of template-containing MCM-22 zeolite and its application in alkylation and transalkylation reactions.APPLIED CATALYSIS A-GENERAL,468,288-295.
MLA Liu, Kefeng,et al."Alkali-treatment of template-containing MCM-22 zeolite and its application in alkylation and transalkylation reactions".APPLIED CATALYSIS A-GENERAL 468(2013):288-295.
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