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Chinese Science Bulletin

, Volume 44, Issue 14, pp 1249–1257 | Cite as

Aspects of formation and degradation of polychlorinated dibenzo-p-dioxins and dibenzofurans

  • Minghui Zheng
  • Pengyan Liu
  • Zhicheng Bao
  • Xiaobai Xu
Reviews

Abstract

The research progress on the mechanisms of formation and degradation of polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs) is reviewed. The primary sources of PCDD/Fs are chemical, thermal, photochemical and enzymatic reactions. Most of the thermal sources result in emissions into air. The studies on the photodegradation and biodegradation offer promise for destruction of PCDD/Fs in environment.

Keywords

polychlorinated dibenzo-p-dioxins polychlorinated dibenzofurarns mechanism formation degradation 

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Copyright information

© Science in China Press 1999

Authors and Affiliations

  • Minghui Zheng
    • 1
  • Pengyan Liu
    • 2
  • Zhicheng Bao
    • 1
  • Xiaobai Xu
    • 1
  1. 1.Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijingChina
  2. 2.Department of ChemistryHebei UniversityBaodingChina

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