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Spectroscopy of microwave discharge in liquid C7–C16 hydrocarbons

  • Plasma Investigations
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Abstract

Emission spectra of in-liquid microwave plasma in C7–C16 hydrocarbons were studied in the range of wavelengths from 200 to 800 nm. It was shown that spectra are similar for all studied hydrocarbons. Swan-bands only were observed in the plasma emission. Model of Swan-bands emission was designed for experimental spectra processing. Rotational and vibrational temperatures determined from sequences with v = −1, 0, +1 of C2-bands were 1600 ± 200 K and 7000 ± 2000 K correspondingly. Addition of Ar in the plasma decreased the rotational up to 700 K but did not change the vibrational temperature. It was shown that studied in-liquid microwave plasma is non-equilibrium. Results of electrodynamic modeling of microwave discharge apparatus and some information on the solid phase generated in hydrocarbon plasma processing were presented.

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Authors and Affiliations

  1. Topchiev Institute of Petrochemical Synthesis RAS, Moscow, Russia

    Yu. A. Lebedev, I. L. Epstein, V. A. Shakhatov, E. V. Yusupova & V. S. Konstantinov

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  1. Yu. A. Lebedev
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  2. I. L. Epstein
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  3. V. A. Shakhatov
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  4. E. V. Yusupova
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  5. V. S. Konstantinov
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Correspondence to Yu. A. Lebedev.

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Lebedev, Y.A., Epstein, I.L., Shakhatov, V.A. et al. Spectroscopy of microwave discharge in liquid C7–C16 hydrocarbons. High Temp 52, 319–327 (2014). https://doi.org/10.1134/S0018151X14030195

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  • DOI: https://doi.org/10.1134/S0018151X14030195

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