Controlling Parameters in the Efficiency of Hydrogen Production via Electrification with Multi-Phase Plasma Processing Technology

Shariful Islam Bhuiyan, Kunpeng Wang (), Md Abdullah Hil Baky, Jamie Kraus, Howard Jemison and David Staack ()
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Shariful Islam Bhuiyan: Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843, USA
Kunpeng Wang: LTEOIL, LLC, 2929 Allen Parkway, Suite 200, Houston, TX 77019, USA
Md Abdullah Hil Baky: Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843, USA
Jamie Kraus: Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843, USA
Howard Jemison: LTEOIL, LLC, 2929 Allen Parkway, Suite 200, Houston, TX 77019, USA
David Staack: Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843, USA

Energies, 2023, vol. 16, issue 14, 1-15

Abstract: A nanosecond pulsed non-equilibrium plasma reactor is used to crack hydrocarbons into hydrogen and lighter intermediates at atmospheric pressure and warm temperature. The effects of power, capacitance, breakdown voltage, pulsing frequency, energy per pulse, and carrier gas type are investigated for product generation. Multiple gaseous products including hydrogen and hydrocarbons are calculated and compared at different conditions. A statistical analysis is performed on hydrogen yield for different experimental conditions to determine the significance of the studied parameters. Comparable hydrogen yields are produced when using methane (4 to 22 g-H 2 /kWh) as a carrier gas as compared to argon (7 to 14 g-H 2 /kWh). Although, notably, the methane carrier is more selective to hydrogen and sensitive to other operating parameters, the argon is not. Statistical analysis shows that plasma power, capacitance, and energy per pulse appear to influence hydrogen yield while pulsing frequency and breakdown voltage do not. A higher yield of hydrogen is achieved with low plasma power and a low energy per pulse, with a low capacitance for both cases of pure CH 4 and pure Ar. The results show that low plasma power based on a low energy per pulse of <10 mJ is preferable for hydrogen production in a batch reactor. This CO 2 -free hydrogen production method produces hydrogen from fossil fuels at less than USD 2/kg in electricity.

Keywords: nanosecond pulsed plasma; cracking of hydrocarbons; hydrogen yield; energy per pulse; fossil fuel (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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