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Russian Journal of Applied Chemistry

, Volume 86, Issue 7, pp 1029–1035 | Cite as

Absorption of hydrogen sulfide on starting and modified carbons produced from technical-grade lignin

  • Yu. P. Zaitsev
  • S. S. Stavitskaya
  • D. V. Brazhnik
  • N. N. Tsyba
  • V. F. Gaevskii
Electrochemistry and Other Processes of Chemical Technology

Abstract

Processes in which hydrogen sulfide admixtures (from a 1% H2S + 99% Ar mixture) are removed by sorption on starting carbons and those modified with alkali metal ins of various sizes, made from technical-grade lignin, and hydrogen sulfide is eliminated by catalytic oxidation of H2S with oxygen were studied. The factors determining the absorption capacity of the carbons and their catalytic activity in oxidation of hydrogen sulfide were determined: these are, in the first place, presence of water in the pore space and in the hydration shell of modifying ions, size of these ions, and experimental temperature.

Keywords

Activate Carbon Methylene Blue Absorption Capacity Carbon Surface Hydration Shell 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2013

Authors and Affiliations

  • Yu. P. Zaitsev
    • 1
  • S. S. Stavitskaya
    • 1
  • D. V. Brazhnik
    • 1
  • N. N. Tsyba
    • 1
  • V. F. Gaevskii
    • 1
  1. 1.Institute for Sorption and Problems of EndoecologyNational Academy of Sciences of UkraineKievUkraine

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