Plasma Chemistry and Plasma Processing

, Volume 38, Issue 3, pp 587–598 | Cite as

Behavior of Carbon-Containing Impurities in the Process of Plasma-Chemical Distillation of Sulfur

  • Leonid Mochalov
  • Roman Kornev
  • Alexander Logunov
  • Mikhail Kudryashov
  • Aleksandr Mashin
  • Andrey Vorotyntsev
  • Vladimir Vorotyntsev
Original Paper
  • 17 Downloads

Abstract

Sulfur was purified by plasma-chemical distillation at low pressure (0.1 Torr) under dynamic vacuum conditions. RF (40 MHz) non-equilibrium plasma discharge was used for initiation of chemical interactions. The carbon-containing impurities behavior was studied. The possible mechanism of their conversion has been discussed. The effectiveness of the suggested method has been compared with the ‘traditional’ distillation in terms of removal of heterophase impurities.

Keywords

Plasma-chemical distillation Carbon impurities behavior Optical emission spectroscopy Sulfur purification 

Notes

Acknowledgements

The reported study was funded by RFBR according to the Research Project No. 16-08-00777 and The Ministry of Education and Sciences of the Russian Federation within the framework of the state task in the field of scientific activity (Grant No. 11/17-01.10) in the part concerning laser ultramicroscopy investigations of the sulfur bulk samples and chromate-mass-spectroscopy of the exhausted gas mixtures. Setup for plasma-chemical distillation and optical-emission spectroscopy measurements were funded by the basic part of the State Task of the Ministry of Education and Science of Russia No. 3.6507.2017/8.9.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Leonid Mochalov
    • 1
    • 2
    • 3
  • Roman Kornev
    • 2
  • Alexander Logunov
    • 2
    • 3
  • Mikhail Kudryashov
    • 3
  • Aleksandr Mashin
    • 3
  • Andrey Vorotyntsev
    • 2
  • Vladimir Vorotyntsev
    • 2
  1. 1.Department of Physics and Optical ScienceUniversity of North Carolina at CharlotteCharlotteUSA
  2. 2.Nizhny Novgorod State Technical University n.a. R.E. AlekseevNizhny NovgorodRussia
  3. 3.Lobachevsky UniversityNizhny NovgorodRussia

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