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Hydropyrolysis of n- Hexane and Toluene to Acetylene in Rotating-Arc Plasma

Author

Listed:
  • Jie Ma

    (Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China)

  • Ming Zhang

    (Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China)

  • Jianhua Wu

    (Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China)

  • Qiwei Yang

    (Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China)

  • Guangdong Wen

    (Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China)

  • Baogen Su

    (Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China)

  • Qilong Ren

    (Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China)

Abstract

Thermal plasma pyrolysis is a powerful technology for converting waste or low-value materials to valuable gaseous hydrocarbons. This paper presents for the first time the hydropyrolysis of n- hexane and toluene in a rotating-arc plasma reactor. Effects of the mole ratio of H/C in the feed, power input and magnetic induction were investigated to evaluate the reaction performance. A lower H/C ratio could lead to a lower yield of C 2 H 2 and lower specific energy consumption, and there existed an optimum range of power input for both n- hexane and toluene pyrolysis within the investigated range. The yield of C 2 H 2 in n- hexane and toluene pyrolysis could reach 85% and 68%, respectively, with respective specific energy consumption (SEC) of 13.8 kWh/kg·C 2 H 2 and 19.9 kWh/kg·C 2 H 2 . Compared with the results reported in literature, the rotating-arc plasma process showed higher C 2 H 2 yield and lower energy consumption, which is attributed to the better initial mixing of the reactant with the hot plasma gas and the more uniform temperature distribution.

Suggested Citation

  • Jie Ma & Ming Zhang & Jianhua Wu & Qiwei Yang & Guangdong Wen & Baogen Su & Qilong Ren, 2017. "Hydropyrolysis of n- Hexane and Toluene to Acetylene in Rotating-Arc Plasma," Energies, MDPI, vol. 10(7), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:7:p:899-:d:103304
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    2. Wei Huang & Junkui Jin & Guangdong Wen & Qiwei Yang & Baogen Su & Qilong Ren, 2018. "Effect of Nitrogen/Oxygen Substances on the Pyrolysis of Alkane-Rich Gases to Acetylene by Thermal Plasma," Energies, MDPI, vol. 11(2), pages 1-14, February.
    3. Dong Kyoo Park & Ji-Hyeon Kim & Hyo-Sik Kim & Jin-Ho Kim & Jae-Hong Ryu, 2023. "Possibility Study in CO 2 Free Hydrogen Production Using Dodecane (C 12 H 26 ) from Plasma Reaction," Energies, MDPI, vol. 16(4), pages 1-13, February.

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