Catalytic dehydrogenation of ethanol into acetaldehyde and isobutanol using mono- and multicomponent copper catalysts

被引：41

作者：

Tayrabekova, Samal ^{[1
]}

Maki-Arvela, Paivi ^{[2
]}

Peurla, Markus ^{[3
]}

Paturi, Petriina ^{[4
]}

Eranen, Kari ^{[2
]}

Ergazieva, Gaukhar E. ^{[1
]}

Aho, Atte ^{[2
]}

Murzin, Dmitry Yu. ^{[2
]}

Dossumov, Kusman ^{[1
]}

机构：

[1] Inst Combust Problems, Alma Ata 050012, Kazakhstan

[2] Abo Akad Univ, Johan Gadolin Proc Chem Ctr, Lab Ind Chem & React Engn, FI-20500 Turku, Finland

[3] Univ Turku, Lab Electron Microscopy, FIN-20520 Turku, Finland

[4] Univ Turku, Phys & Astron, Turku 20014, Finland

来源：

COMPTES RENDUS CHIMIE | 2018年 / 21卷 / 3-4期

关键词：

Copper chromium oxide; Ethanol dehydrogenation; Point zero charge; ETHYL-ACETATE; SOLID ACID; HYDROGENATION; NANOPARTICLES; CONVERSION; OXIDATION; BEHAVIOR; CU/ZRO2; SURFACE; WATER;

D O I：

10.1016/j.crci.2017.05.005

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The purpose of this work was to investigate biomass-derived ethanol dehydrogenation into acetaldehyde using several mono- and multicomponent (CuO, ZnO and Cr2O3)-containing catalysts supported on industrial size Al2O3 beads. The catalysts, prepared with either solution combustion or incipient wetness method, were characterized by using various physico-chemical methods, such as EDXA, SEM-EDXA, TEM, XRD, XPS, pyridine adsorption desorption FTIR, and zeta-potential measurements. The results revealed that the multicomponent catalysts exhibited superior activity compared to the metal oxide catalysts containing only one metal oxide. In addition, the most selective catalyst towards acetaldehyde formation, with 50% selectivity at 55% conversion of ethanol at 300 degrees C and WHSV 1 h(-1) was CuO-Cr2O3/Al2O3 prepared by using the solution combustion method, indicating that this inexpensive and rapid catalyst preparation method is promising for other applications. (C) 2017 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.

引用

页码：194 / 209

页数：16

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