期刊
JOURNAL OF THE ENERGY INSTITUTE
卷 95, 期 -, 页码 179-186出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.joei.2021.01.001
关键词
Hydrogen; Ethanol; Plasma; Catalyst; DBD
资金
- Warsaw University of Technology
The research focused on the process of hydrogen production from a mixture of water and ethanol in plasma and plasma-catalytic reactors. It was found that hydrogen production in the plasma-catalytic reactor was up to 2.4 times greater compared to the plasma reactor, with higher energy efficiency.
The focus of the research was the process of hydrogen production from a mixture of water and ethanol in plasma and plasma-catalytic reactors. Plasma was produced in a dielectric barrier discharge. The catalyst was cobalt supported on ZrO2 (Co/ZrO2). The catalyst was placed in the grooves of the high voltage electrode. The ethanol conversion was similar in both studied reactors and increased from 34 to 55% with increasing discharge power from 20 to 60 W. However, hydrogen production in the plasma-catalytic reactor was up to 2.4 times greater than in the plasma reactor. The highest energy efficiency of hydrogen production in the plasma catalytic reactor was 7.7 mol(H-2).kWh(-1). In the plasma reactor, the concentration of products was constant in the tested range of discharge power. In the plasma-catalytic reactor, H-2 and CO2 concentrations increased with increasing discharge power, whereas concentrations of CO, CH4, C2H4, and C2H6 were decreased. The maximum H-2 concentration was 56%. (C) 2021 Energy Institute. Published by Elsevier Ltd. All rights reserved.
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