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Development of hierarchical MCM-49 zeolite with intracrystalline mesopores and improved catalytic performance in liquid alkylation of benzene with ethylene
Gao, Ningning1; Xie, Sujuan1; Liu, Shenglin1; Xin, Wenjie1; Gao, Yang1; Li, Xiujie1; Wei, Huijuan1,2; Liu, Hui1,2; Xu, Longya1,3
关键词Hierarchical Porosity Intracrystalline Mesopores Mww Desilication Alkylation
刊名MICROPOROUS AND MESOPOROUS MATERIALS
2015-08-01
DOI10.1016/j.micromeso.2015.03.009
212页:1-7
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Science & Technology - Other Topics ; Materials Science
关键词[WOS]DIFFERENT ALUMINUM CONTENT ; HIGH-SILICA ZEOLITES ; ALKALINE-SOLUTIONS ; ZSM-5 ZEOLITE ; DESILICATION ; MECHANISM ; DISPROPORTIONATION ; DISSOLUTION ; MORDENITE
英文摘要Hierarchical MCM-49 zeolite with intracrystalline mesopores was prepared through post-treating the conventional MCM-49 zeolite in hexadecyltrimethylammonium bromide (CTAB) and NaOH mixed solution. N-2 adsorption and desorption, XRD, TEM, XRF, ICP and Py-IR techniques were applied to characterize the obtained samples. It was found that uniform intracrystalline mesopores were distributed in the MCM-49 crystals, and the intracrystalline meso-porosity could be modified by changing the post-treatment conditions such as CTAB concentration, NaOH concentration, temperature and time. Based on the characterization results upon the hierarchical MCM-49 zeolite samples obtained by post-treating different time, the formation of intracrystalline mesopores in MCM-49 zeolite was proposed, which followed a CTAB micelle directed desilication mechanism. By virtue of the intracrystalline mesopores, the hierarchical MCM-49 zeolite prepared under proper post-treatment condition exhibited superior stability than the conventional MCM-49 zeolite in liquid alkylation of benzene with ethylene. (C) 2015 Elsevier Inc. All rights reserved.
语种英语
WOS记录号WOS:000355037800001
引用统计
被引频次:8[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/321008/146238
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, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Gao, Ningning,Xie, Sujuan,Liu, Shenglin,et al. Development of hierarchical MCM-49 zeolite with intracrystalline mesopores and improved catalytic performance in liquid alkylation of benzene with ethylene[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2015,212:1-7.
APA Gao, Ningning.,Xie, Sujuan.,Liu, Shenglin.,Xin, Wenjie.,Gao, Yang.,...&Xu, Longya.(2015).Development of hierarchical MCM-49 zeolite with intracrystalline mesopores and improved catalytic performance in liquid alkylation of benzene with ethylene.MICROPOROUS AND MESOPOROUS MATERIALS,212,1-7.
MLA Gao, Ningning,et al."Development of hierarchical MCM-49 zeolite with intracrystalline mesopores and improved catalytic performance in liquid alkylation of benzene with ethylene".MICROPOROUS AND MESOPOROUS MATERIALS 212(2015):1-7.
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