Experiments on the conversion of lower hydrocarbons with the use of nanosecond discharges

S. P. Bugaev, V. B. Zorin, B. M. Kovalchuk, V. A. Kuvshinov, N. S. Sochugov, P. A. Khryapov

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    4 Citations (Scopus)

    Abstract

    The process of conversion of C2-C4 hydrocarbons was investigated, using nanosecond pulses (135 kV, 3 ns), in a plasmochemical reactor with a corona-streamer discharge. The principal products of conversion are acethylene, ethylene, and propylene. The conversion degree and the composition of the reaction products depend on the electrode gap spacing and its attendant corona-streamer-to-spark transition. The power demand for the production of alkenes is 8-10 kW·h/kg. The conversion of paraffin hydrocarbons in nonequilibrium-plasma discharges with the purpose to produce lower alkenes of the ethylene and propylene type has long attracted the attention of researchers owing to the simplicity of this process which can readily be realized in high-frequency, microwave, glow, barrier, and corona discharges. However, the need for reduced pressures for the first three types of discharge is an essential disadvantage from the technological viewpoint. Recently, extensive studies have been performed with the use of the corona-streamer discharge that allows one to produce highly nonequilibrium plasmas at atmospheric pressure and to deliver large amounts of energy to a gas. This discharge is also used to treat industrial waste gases with the purpose to burn up toxic organic impurities and remove nitrogen and sulfur oxides. It has been shown that in going from microsecond durations of the applied voltage pulse to durations of some tens of nanoseconds (with the voltage rise rate being increased from 1011 to 5·1012 V/s) the rates of plasmochemical reactions increase substantially due to the increase in electron temperature Te in the nonequilibrium gas-discharge plasma. The goal of the present study was to investigate the efficiency of the conversion of lower alkanes in the plasma of a nanosecond corona-streamer discharge.

    Original languageEnglish
    Title of host publicationDigest of Technical Papers-IEEE International Pulsed Power Conference
    EditorsW.L. Baker, G. Cooperstein
    Place of PublicationPiscataway, NJ, United States
    PublisherIEEE
    Pages1206-1210
    Number of pages5
    Volume2
    Publication statusPublished - 1995
    EventProceedings of the 1995 10th IEEE International Pulsed Power Conference. Part 1 (of 2) - Albuquerque, NM, USA
    Duration: 3 Jul 19956 Jul 1995

    Other

    OtherProceedings of the 1995 10th IEEE International Pulsed Power Conference. Part 1 (of 2)
    CityAlbuquerque, NM, USA
    Period3.7.956.7.95

    Fingerprint

    Hydrocarbons
    Plasmas
    Discharge (fluid mechanics)
    Paraffins
    Olefins
    Propylene
    Ethylene
    Experiments
    Gases
    Electron temperature
    Industrial wastes
    Microwave frequencies
    Electric potential
    Electric sparks
    Reaction products
    Atmospheric pressure
    Impurities
    Nitrogen
    Electrodes
    Chemical analysis

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

    Cite this

    Bugaev, S. P., Zorin, V. B., Kovalchuk, B. M., Kuvshinov, V. A., Sochugov, N. S., & Khryapov, P. A. (1995). Experiments on the conversion of lower hydrocarbons with the use of nanosecond discharges. In W. L. Baker, & G. Cooperstein (Eds.), Digest of Technical Papers-IEEE International Pulsed Power Conference (Vol. 2, pp. 1206-1210). Piscataway, NJ, United States: IEEE.

    Experiments on the conversion of lower hydrocarbons with the use of nanosecond discharges. / Bugaev, S. P.; Zorin, V. B.; Kovalchuk, B. M.; Kuvshinov, V. A.; Sochugov, N. S.; Khryapov, P. A.

    Digest of Technical Papers-IEEE International Pulsed Power Conference. ed. / W.L. Baker; G. Cooperstein. Vol. 2 Piscataway, NJ, United States : IEEE, 1995. p. 1206-1210.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Bugaev, SP, Zorin, VB, Kovalchuk, BM, Kuvshinov, VA, Sochugov, NS & Khryapov, PA 1995, Experiments on the conversion of lower hydrocarbons with the use of nanosecond discharges. in WL Baker & G Cooperstein (eds), Digest of Technical Papers-IEEE International Pulsed Power Conference. vol. 2, IEEE, Piscataway, NJ, United States, pp. 1206-1210, Proceedings of the 1995 10th IEEE International Pulsed Power Conference. Part 1 (of 2), Albuquerque, NM, USA, 3.7.95.
    Bugaev SP, Zorin VB, Kovalchuk BM, Kuvshinov VA, Sochugov NS, Khryapov PA. Experiments on the conversion of lower hydrocarbons with the use of nanosecond discharges. In Baker WL, Cooperstein G, editors, Digest of Technical Papers-IEEE International Pulsed Power Conference. Vol. 2. Piscataway, NJ, United States: IEEE. 1995. p. 1206-1210
    Bugaev, S. P. ; Zorin, V. B. ; Kovalchuk, B. M. ; Kuvshinov, V. A. ; Sochugov, N. S. ; Khryapov, P. A. / Experiments on the conversion of lower hydrocarbons with the use of nanosecond discharges. Digest of Technical Papers-IEEE International Pulsed Power Conference. editor / W.L. Baker ; G. Cooperstein. Vol. 2 Piscataway, NJ, United States : IEEE, 1995. pp. 1206-1210
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    AU - Kovalchuk, B. M.

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    AU - Sochugov, N. S.

    AU - Khryapov, P. A.

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    AB - The process of conversion of C2-C4 hydrocarbons was investigated, using nanosecond pulses (135 kV, 3 ns), in a plasmochemical reactor with a corona-streamer discharge. The principal products of conversion are acethylene, ethylene, and propylene. The conversion degree and the composition of the reaction products depend on the electrode gap spacing and its attendant corona-streamer-to-spark transition. The power demand for the production of alkenes is 8-10 kW·h/kg. The conversion of paraffin hydrocarbons in nonequilibrium-plasma discharges with the purpose to produce lower alkenes of the ethylene and propylene type has long attracted the attention of researchers owing to the simplicity of this process which can readily be realized in high-frequency, microwave, glow, barrier, and corona discharges. However, the need for reduced pressures for the first three types of discharge is an essential disadvantage from the technological viewpoint. Recently, extensive studies have been performed with the use of the corona-streamer discharge that allows one to produce highly nonequilibrium plasmas at atmospheric pressure and to deliver large amounts of energy to a gas. This discharge is also used to treat industrial waste gases with the purpose to burn up toxic organic impurities and remove nitrogen and sulfur oxides. It has been shown that in going from microsecond durations of the applied voltage pulse to durations of some tens of nanoseconds (with the voltage rise rate being increased from 1011 to 5·1012 V/s) the rates of plasmochemical reactions increase substantially due to the increase in electron temperature Te in the nonequilibrium gas-discharge plasma. The goal of the present study was to investigate the efficiency of the conversion of lower alkanes in the plasma of a nanosecond corona-streamer discharge.

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