Effect of Ethanol on the Morphology and Textual Properties of ZSM-5 Zeolite

被引：11

作者：

Liu, Xiuru ^{[1
]}

Sun, Yiqing ^{[1
]}

机构：

[1] Huadian Elect Power Res Inst Co LTD, Hangzhou 310030, Peoples R China

来源：

CATALYSTS | 2020年 / 10卷 / 02期

关键词：

ethanol; textual property; morphology; chainlike ZSM-5; SUPERCRITICAL CATALYTIC CRACKING; SILICALITE-1; CRYSTALS; NANOSHEET ZEOLITES; MFI ZEOLITE; ACID SITES; N-HEXANE; PERFORMANCE; ADSORPTION; SIZE; FABRICATION;

D O I：

10.3390/catal10020198

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The morphology of ZSM-5 zeolite impacts the adsorption, separation and diffusion of molecules. The morphology and textural properties of ZSM-5 zeolites were adjusted by regulating the content of ethanol in the synthesis gel. When the ratio of ethanol/SiO2 was lower than 2, the obtained crystals were isolated particles. With higher ethanol concentration, the chainlike zeolite was generated due to the condensation of terminal Si-OH groups. The crystals stacked more and more compactly with the increase in ethanol concentration, resulting in decreased specific surface area, total volume and mesoporous volume. The crystal size increased gradually with the increase in the ethanol concentration. Moreover, some other small molecular alcohols could also induce the formation of chainlike morphology of ZSM-5.

引用

页数：13

共 40 条

[1] Polyelectrolyte-mediated synthesis and self-assembly of silicalite nanocrystals into linear chain superstructures [J].

Aoki, K ;

Mann, S .

JOURNAL OF MATERIALS CHEMISTRY, 2005, 15 (01) :111-113

[2] Irreversible Conversion of a Water-Ethanol Solution into an Organized Two-Dimensional Network of Alternating Supramolecular Units in a Hydrophobic Zeolite under Pressure [J].

Arletti, Rossella ;

Fois, Ettore ;

Gigli, Lara ;

Vezzalini, Giovanna ;

Quartieri, Simona ;

Tabacchi, Gloria .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2017, 56 (08) :2105-2109

[3] Engineering Zeolites for Catalytic Cracking to Light Olefins [J].

Blay, Vincent ;

Louis, Benoit ;

Miravalles, Ruben ;

Yokoi, Toshiyuki ;

Peccatiello, Ken A. ;

Clough, Melissa ;

Yilmaz, Bilge .

ACS CATALYSIS, 2017, 7 (10) :6542-6566

[4] Adsorption of crystal violet dye onto a mesoporous ZSM-5 zeolite synthetized using chitin as template [J].

Briao, G. V. ;

Jahn, S. L. ;

Foletto, E. L. ;

Dotto, G. L. .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2017, 508 :313-322

[5] Morphology control of self-stacked silicalite-1 crystals using microwave-assisted solvothemial synthesis [J].

Chen, Xiaoxin ;

Yan, Wenfu ;

Shen, Wanling ;

Yu, Jihong ;

Cao, Xuejing ;

Xu, Ruren .

MICROPOROUS AND MESOPOROUS MATERIALS, 2007, 104 (1-3) :296-304

[6] Quantitative correlation between morphology of silicalite-1 crystals and dielectric constants of solvents [J].

Chen, Xiaoxin ;

Yan, Wenfu ;

Cao, Xuejing ;

Xu, Ruren .

MICROPOROUS AND MESOPOROUS MATERIALS, 2010, 131 (1-3) :45-50

[7] Preparation and characterization of nanosized ZSM-5 zeolites in the absence of organic template [J].

Cheng, Y ;

Wang, LJ ;

Li, JS ;

Yang, YC ;

Sun, XY .

MATERIALS LETTERS, 2005, 59 (27) :3427-3430

[8] Catalytic consequences of hydroxyl group location on the rate and mechanism of parallel dehydration reactions of ethanol over acidic zeolites [J].

Chiang, Hsu ;

Bhan, Aditya .

JOURNAL OF CATALYSIS, 2010, 271 (02) :251-261

[9] The Fabrication of Ga2O3/ZSM-5 Hollow Fibers for Efficient Catalytic Conversion of n-Butane into Light Olefins and Aromatics [J].

Han, Jing ;

Jiang, Guiyuan ;

Han, Shanlei ;

Liu, Jia ;

Zhang, Yaoyuan ;

Liu, Yeming ;

Wang, Ruipu ;

Zhao, Zhen ;

Xu, Chunming ;

Wang, Yajun ;

Duan, Aijun ;

Liu, Jian ;

Wei, Yuechang .

CATALYSTS, 2016, 6 (01)

[10] Effect of alkali metal cations modification on the acid/basic properties and catalytic activity of ZSM-5 in cracking of supercritical n-dodecane [J].

Ji, Yajun ;

Yang, Honghui ;

Yan, Wei .

FUEL, 2019, 243 :155-161

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