The Effect of Sulfur Dioxide Addition on Dioxins Generation and Decomposition Behaviors from Thermodynamics View.

DOI

Bibliographic Information

Other Title
  • ダイオキシン類の生成・分解挙動に対するS02添加効果の熱力学的解釈

Abstract

The influence of sulfur dioxide addition on dioxins generation and decomposition behaviors has been evaluated by thermodynamic equilibrium calculations. The calculation conditions in this work were as follows: (1) the C-H-O-Cl quaternary system has the ratio of [C : H : O : Cl]=9 : 6 : 4 : 1, i.e. this system corresponds to the most typical generation region of dioxins, (2) total amount of respective elements (NC+NH+NO+NCl) is 1 mol, (3) sulfur dioxide is then added to this C-H-O-Cl quaternary system and (4) total pressure and temperature range were 1 atm and from 773 to 1773 K. The influence of sulfur dioxide addition is shown to change the oxygen potential, on which the dioxins generation and decomposition is independent, i.e. higher temperature and higher oxygen potential lead to dioxins decomposition. The essential effect of sulfur element is shown to reduce hydrogen chloride potential, leading less dioxins chlorination reaction.

Journal

  • RESOURCES PROCESSING

    RESOURCES PROCESSING 49 (1), 16-22, 2002

    The Resources Processing Society of Japan

Details 詳細情報について

  • CRID
    1390001204267501056
  • NII Article ID
    130003440719
  • DOI
    10.4144/rpsj1986.49.16
  • ISSN
    18839150
    09124764
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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