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http://dx.doi.org/10.7316/KHNES.2019.30.2.111

Study on the Pressurized Steam Reforming of Natural Gas and Biogas Mixed Cokes Oven Gas  

CHEON, HYUNGJUN (Department of Mechanical Engineering, KAIST)
HAN, GWANGWOO (Department of Mechanical Engineering, KAIST)
BAE, JOONGMYEON (Department of Mechanical Engineering, KAIST)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.30, no.2, 2019 , pp. 111-118 More about this Journal
Abstract
Greenhouse gas emissions have a profound effect on global warming. Various environmental regulations have been introduced to reduce the emissions. The largest amount of greenhouse gases, including carbon dioxide, is produced in the steel industry. To decrease carbon dioxide emission, hydrogen-based iron oxide reduction, which can replace carbon-based reduction has received a great attention. Iron production generates various by-product gases, such as cokes oven gas (COG), blast furnace gas (BFG), and Linz-Donawitz gas (LDG). In particular, COG, due to its high concentrations of hydrogen and methane, can be reformed to become a major source of hydrogen for reducing iron oxide. Nevertheless, continuous COG cannot be supplied under actual operation condition of steel industry. To solve this problem, this study proposed to use two alternative COG-based fuel mixtures; one with natural gas and the other with biogas. Reforming study on two types of mixed gas were carried out to evaluate catalyst performance under a variety of operating conditions. In addition, methane conversion and product composition were investigated both theoretically and experimentally.
Keywords
Steel industry; Coke oven gas; Hydrogen production; Steam reforming; Nature gas; Biogas;
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Times Cited By KSCI : 2  (Citation Analysis)
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