Hybrid plasma-thermal system for methane conversion to ethylene and hydrogen

被引：6

作者：

Liu, Rui ^{[1
]}

Hao, Yingzi ^{[1
]}

Wang, Tong ^{[1
]}

Wang, Li ^{[2
]}

Bogaerts, Annemie ^{[3
]}

Guo, Hongchen ^{[1
]}

Yi, Yanhui ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116024, Liaoning, Peoples R China

[2] Dalian Maritime Univ, Coll Environm Sci & Engn, Dalian 116026, Liaoning, Peoples R China

[3] Univ Antwerp, Dept Chem, Res Grp PLASMANT, Univ Pl 1, BE-2610 Wilrijk Antwerp, Belgium

来源：

CHEMICAL ENGINEERING JOURNAL | 2023年 / 463卷

基金：

中国国家自然科学基金;

关键词：

Hybrid plasma -thermal system; Methane conversion; Ethylene; Hydrogen; DISCHARGE; MECHANISM;

D O I：

10.1016/j.cej.2023.142442

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

By combining dielectric barrier discharge plasma and external heating, we exploit a two-stage hybrid plasma -thermal system (HPTS), i.e., a plasma stage followed by a thermal stage, for direct non-oxidative coupling of CH4 to C2H4 and H2, yielding a CH4 conversion of ca. 17 %. In the two-stage HPTS, the plasma first converts CH4 into C2H6 and C3H8, which in the thermal stage leads to a high C2H4 selectivity of ca. 63 % by pyrolysis, with H2 selectivity of ca. 64 %.

引用

页数：5

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