Acetylene can be directly produced by coal pyrolysis in hydrogen plasma. A key factor affecting acetylene yield is whether the residue solid carbon is able to react with hydrogen to form acetylene after volatile matters released from coal powders pyrolyzed in hydrogen plasma. Reactions of carbon in hydrogen plasma are studied in this article. The study showed that solid carbon could hardly react with hydrogen at temperatures below the sublimation point, while sublimated carbon could easily react with hydrogen at temperatures above sublimation point, and mainly acetylene and other hydrocarbons can be obtained after quenching process.
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Original Articles
The Reactions of Carbon in a Hydrogen Plasma
Mingdong Li
Department of Engineering, Mechanics Tsinghua University, Beijing, China
, Yousan Fan
Department of Engineering, Mechanics Tsinghua University, Beijing, China
, Weiren Bao
Institute for Chemical Engineering of Coal Taiyuan University of Technology, Taiyuan, China
, Youjun Guan
Institute for Chemical Engineering of Coal Taiyuan University of Technology, Taiyuan, China
& Songdong Li
Institute for Chemical Engineering of Coal Taiyuan University of Technology, Taiyuan, China
Pages 829-835
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Published online: 21 Sep 2006
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