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Synthesis, characterization, and catalytic performance of hierarchical ZSM-11 zeolite synthesized via dual-template route
Liu, Hui1,2; Zhang, Shuang1; Xie, Sujuan1; Zhang, Wanshuo1,3; Xin, Wenjie1; Liu, Shenglin1; Xu, Longya1
KeywordHierarchical Material Zsm-11 Dual-template Cetyltrimethylammonium Bromide Alkylation Of Benzene
Source PublicationCHINESE JOURNAL OF CATALYSIS
2018-01-18
ISSN1872-2067
DOI10.1016/S1872-2067(17)62984-X
Volume39Issue:1Pages:167-180
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordMESOPOROUS ZEOLITES ; DIMETHYL ETHER ; CETYLTRIMETHYLAMMONIUM BROMIDE ; MESOGENOUS TEMPLATES ; LIQUID ALKYLATION ; LAMELLAR ZEOLITE ; DIRECT AMINATION ; MOLECULAR-SIEVE ; SINGLE-CRYSTALS ; TERT-BUTYLAMINE
AbstractHierarchical zeolite materials were prepared via one-pot synthesis of ZSM-11 zeolites with different molar ratios (R) of a mesoporogen, i.e., cetyltrimethylammonium bromide template (CTAB), to a microporogen, i.e., tetra-n-butylammonium bromide (TBABr). The structures, morphologies, and textural properties of the resultant materials were investigated. Initially, with increasing R, the crystal size of the synthesized product decreased, the number of intercrystalline mesopores increased, and a pure ZSM-11 zeolite phase was present Then an MCM-41-like phase was produced and embedded in the ZSM-11 zeolite phase. Finally, an MCM-41-like phase was obtained. The alkalinity had important effects on the physicochemical and textural properties of the prepared samples. A possible mechanism of formation of the hierarchical ZSM-11 zeolite was proposed on the basis of a combination of various characterization results. The role of CTAB varied depending on the R value, and it showed a capping effect, micellar effect, and template effect These effects of CTAB were synergetic in ZSM-11 synthesis, but they were competitive with the structure-directing effect of TBABr. In addition, the impact of the acidic properties and porosities of the hierarchical ZSM-11 catalysts on their performances in the alkylation of benzene with dimethyl ether was investigated. (C) 2018, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000428822100020
PublisherSCIENCE PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/168963
Collection中国科学院大连化学物理研究所
Corresponding AuthorLiu, Hui; Xu, Longya
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
2.Sinochem Quanzhou Petrochem Co Ltd, Ctr Res & Dev, Quanzhou 362103, Fujian, Peoples R China
3.Harbin Normal Univ, Coll Chem & Chem Engn, Harbin 150025, Heilongjiang, Peoples R China
Recommended Citation
GB/T 7714
Liu, Hui,Zhang, Shuang,Xie, Sujuan,et al. Synthesis, characterization, and catalytic performance of hierarchical ZSM-11 zeolite synthesized via dual-template route[J]. CHINESE JOURNAL OF CATALYSIS,2018,39(1):167-180.
APA Liu, Hui.,Zhang, Shuang.,Xie, Sujuan.,Zhang, Wanshuo.,Xin, Wenjie.,...&Xu, Longya.(2018).Synthesis, characterization, and catalytic performance of hierarchical ZSM-11 zeolite synthesized via dual-template route.CHINESE JOURNAL OF CATALYSIS,39(1),167-180.
MLA Liu, Hui,et al."Synthesis, characterization, and catalytic performance of hierarchical ZSM-11 zeolite synthesized via dual-template route".CHINESE JOURNAL OF CATALYSIS 39.1(2018):167-180.
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