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Direct conversion of liquid natural gas (LNG) to syngas and ethylene using non-equilibrium pulsed discharge

Author

Listed:
  • Ding, Mingyue
  • Hayakawa, Taichi
  • Zeng, Chunyang
  • Jin, Yuzhou
  • Zhang, Qi
  • Wang, Tiejun
  • Ma, Longlong
  • Yoneyama, Yoshiharu
  • Tsubaki, Noritatsu

Abstract

Non-catalytic direct conversion of liquid natural gas (LNG) to syngas and ethylene using pulse discharge technology was firstly carried out under the temperature of liquid nitrogen and atmospheric pressure. The liquefaction of natural gas increased tremendously the collision frequency between electrons and methane molecules in the discharge region and promoted the dimerisation of CH2 radicals formed, inducing the formation of large amounts of ethylene (selectivity>90%) and synthesis gas, and suppressing the proceeding of useless side-reactions. Especially, CO2 formation was suppressed remarkably due to the very low temperature of LNG and the cage effect provided by the condensed LNG.

Suggested Citation

  • Ding, Mingyue & Hayakawa, Taichi & Zeng, Chunyang & Jin, Yuzhou & Zhang, Qi & Wang, Tiejun & Ma, Longlong & Yoneyama, Yoshiharu & Tsubaki, Noritatsu, 2013. "Direct conversion of liquid natural gas (LNG) to syngas and ethylene using non-equilibrium pulsed discharge," Applied Energy, Elsevier, vol. 104(C), pages 777-782.
    • Handle: RePEc:eee:appene:v:104:y:2013:i:c:p:777-782
    DOI: 10.1016/j.apenergy.2012.12.017
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    References listed on IDEAS

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    1. Taghvaei, Hamed & Shirazi, Meisam Mohamadzadeh & Hooshmand, Navid & Rahimpour, Mohammad Reza & Jahanmiri, Abdolhossien, 2012. "Experimental investigation of hydrogen production through heavy naphtha cracking in pulsed DBD reactor," Applied Energy, Elsevier, vol. 98(C), pages 3-10.
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    1. Rahimpour, Mohammad Reza & Jafari, Mitra & Iranshahi, Davood, 2013. "Progress in catalytic naphtha reforming process: A review," Applied Energy, Elsevier, vol. 109(C), pages 79-93.
    2. Li, Xingxing & Zhu, Gangli & Qi, Suitao & Huang, Jun & Yang, Bolun, 2014. "Simultaneous production of hythane and carbon nanotubes via catalytic decomposition of methane with catalysts dispersed on porous supports," Applied Energy, Elsevier, vol. 130(C), pages 846-852.
    3. Gao, Yuan & Zhang, Shuai & Sun, Hao & Wang, Ruixue & Tu, Xin & Shao, Tao, 2018. "Highly efficient conversion of methane using microsecond and nanosecond pulsed spark discharges," Applied Energy, Elsevier, vol. 226(C), pages 534-545.
    4. Wu, Angjian & Li, Xiaodong & Yan, Jianhua & Yang, Jian & Du, Changming & Zhu, Fengsen & Qian, Jinyuan, 2017. "Co-generation of hydrogen and carbon aerosol from coalbed methane surrogate using rotating gliding arc plasma," Applied Energy, Elsevier, vol. 195(C), pages 67-79.
    5. Khalifeh, Omid & Mosallanejad, Amin & Taghvaei, Hamed & Rahimpour, Mohammad Reza & Shariati, Alireza, 2016. "Decomposition of methane to hydrogen using nanosecond pulsed plasma reactor with different active volumes, voltages and frequencies," Applied Energy, Elsevier, vol. 169(C), pages 585-596.
    6. Kim, Taegyu & Jo, Sungkwon & Song, Young-Hoon & Lee, Dae Hoon, 2014. "Synergetic mechanism of methanol–steam reforming reaction in a catalytic reactor with electric discharges," Applied Energy, Elsevier, vol. 113(C), pages 1692-1699.

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