Efficient structured catalysts for ethylene production through the ODE reaction: Ni and Ni-Ce on ceramic foams

被引：17
作者：
Bortolozzi, J. P. [1 ]
Gutierrez, L. B. [1 ]
Ulla, M. A. [1 ]
机构：
[1] INCAPE FIQ UNL CONICET, Inst Invest Catalisis & Petroquim, RA-3000 Santa Fe, Argentina
来源：
CATALYSIS COMMUNICATIONS | 2014年 / 43卷
关键词：
Nickel oxide; Nickel-cerium oxides; Ceramic foams; Oxidative dehydrogenation of ethane; OXIDATIVE DEHYDROGENATION; MONOLITHIC CATALYSTS; METALLIC FOAMS; HEAT-TRANSFER; WIRE MESH; SUPPORTS; REACTORS; ETHANE; MASS;
D O I：
10.1016/j.catcom.2013.10.011
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：
Ni and Ni-Ce oxides alumina-supported formulations onto alpha-alumina foams were prepared, characterized and evaluated in the oxidative dehydrogenation of ethane (ODE) reaction. The catalysts were appropriately deposited on ceramic foams with a uniform, mechanically stable coverage. Besides, the structured systems were active and selective in the ODE reaction, demonstrating that the incorporation method was successful to obtain adequate active sites. Cerium markedly improved the ethane conversion due to a synergistic effect with nickel oxide, thus leading to a significant increment in ethylene productivity compared to that of the cerium-free system. An optimal Ce/Ni ratio was found which maximized the catalytic performance. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：197 / 201
页数：5
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