Flame-made Cu/ZnO/Al2O3 catalyst for dimethyl ether production

被引：26

作者：

Ahmad, Ruaa ^{[1
]}

Hellinger, Melanie ^{[1
,2
]}

Buchholz, Maria ^{[3
]}

Sezen, Hikmet ^{[3
]}

Gharnati, Loubna ^{[1
,2
]}

Woell, Christof ^{[3
]}

Sauer, Joerg ^{[1
]}

Doering, Manfred ^{[4
]}

Grunwaldt, Jan-Dierk ^{[1
,2
]}

Arnold, Ulrich ^{[1
]}

机构：

[1] Karlsruhe Inst Technol, Inst Catalysis Res & Technol, D-76344 Eggenstein Leopoldshafen, Germany

[2] Karlsruhe Inst Technol, Inst Chem Technol & Polymer Chem, D-76128 Karlsruhe, Germany

[3] Karlsruhe Inst Technol, Inst Funct Interfaces, D-76344 Eggenstein Leopoldshafen, Germany

[4] Fraunhofer Inst Struct Durabil & Syst Reliabil LB, D-64289 Darmstadt, Germany

来源：

CATALYSIS COMMUNICATIONS | 2014年 / 43卷

关键词：

Dimethyl ether; Flame-spray pyrolysis; Methanol; Synthesis gas; METHANOL-SYNTHESIS CATALYSTS; WATER-GAS SHIFT; COPPER SURFACE-AREA; OXIDE; OXIDATION; ALUMINA; FUEL; DME;

D O I：

10.1016/j.catcom.2013.08.020

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：

For the single step synthesis of dimethyl ether (DME) from synthesis gas a Cu/ZnO/Al2O3-catalyst has been prepared using flame-spray pyrolysis. The resulting powder was co-mixed with gamma-alumina to give an admixed system for DME production. The flame-made catalyst was analyzed using the BET method, in situ XRD, N2O decomposition, TPR and XPS. These studies unraveled that the catalyst exhibited a high Cu surface area including good contact with zinc oxide and alumina as well as small Cu particles resulting in high catalytic activity and product selectivity, also in comparison to a commercially available catalyst. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：52 / 56

页数：5

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