Thermal remediation of PCDD/Fs contaminated soil by zone combustion process

Eiki Kasai, Sri Harjanto, Toshikatsu Terui, Takashi Nakamura, Yoshio Waseda

研究成果: Article査読

35 被引用数 (Scopus)

抄録

A new thermal process has been proposed for remediating soils contaminated by chlorinated organic compounds, e.g., PCDD/Fs and PCBs. This is to apply the 'zone combustion process' which utilizes stable combustion of coke particles in the packed bed to soils with air flow across the bed. The usefulness and validity were obtained the results showing that more than 98.9% of PCDD/Fs in the soil was successfully removed in a laboratory-scale experiment. Some pretreatment of the soil sample, such as drying, pre- granulation and addition of limestone was found to make the removal efficiency better. Although, some fundamentals on the behavior of PCDD/Fs, e.g., decomposition/vaporization ratios and formation of other compounds cannot be certainly identified yet, the present results clearly show a way to remediate the contaminated soils and solid wastes.

本文言語English
ページ(範囲)857-864
ページ数8
ジャーナルChemosphere
41
6
DOI
出版ステータスPublished - 2000 5月

ASJC Scopus subject areas

  • 環境工学
  • 環境化学
  • 化学 (全般)
  • 汚染
  • 健康、毒物学および変異誘発

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