Mesoporous H-ZSM-5 for the Conversion of Dimethyl Ether to Hydrocarbons

被引：10

作者：

Zimmermann, Michael C. ^{[1
]}

Otto, Thomas N. ^{[1
]}

Wodarz, Simon ^{[1
]}

Zevaco, Thomas A. ^{[1
]}

Pitter, Stephan ^{[1
]}

机构：

[1] KIT, IKFT, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany

来源：

CHEMIE INGENIEUR TECHNIK | 2019年 / 91卷 / 09期

关键词：

Desilication; Dimethyl ether; DRIFTS; Gasoline; Hierarchical H-ZSM-5; Temperature-programmed desorption; TEMPERATURE-PROGRAMMED DESORPTION; LOW-PRESSURE HYSTERESIS; METHANOL CONVERSION; ZEOLITE ZSM-5; CATALYST DEACTIVATION; TRANSPORT-PROPERTIES; ACID SITES; FT-IR; NAOH; DESILICATION;

D O I：

10.1002/cite.201800217

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The potential of hierarchical H-ZSM-5 zeolites was studied for the conversion of DME to fuel-compatible hydrocarbons. For this purpose, hierarchical H-ZSM-5 zeolites have been prepared from commercial H-ZSM-5 by desilication and organosilane-directed hydrothermal synthesis. The zeolites were characterized by X-ray diffraction, NH3-TPD, DRIFTS, and N-2 physisorption measurements. The catalysts have been tested in a tube reactor (1 bar, 648 K). The results indicate important structural changes in framework and acidic sites, which are significant for the synthesis of gasoline-range hydrocarbons.

引用

页码：1302 / 1313

页数：12

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