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Report No.

Dioxin decomposition/elimination technology using electron beams

Kojima, Takuji; Hirota, Koichi; Taguchi, Mitsumasa; Hakoda, Teruyuki; Takigami, Machiko

The electron beam technology for decomposition/elimination of dioxin contained in flue gas has been developed using real waste gas of 1,000 m$$^{3}$$N/h released from the municipal solid waste incineration facility at 200$$^{circ}$$C. The decomposition efficiency, the ratio of toxic equivalent dioxin concentration before and after EB irradiation to doses above 15kGy is higher than 90%, which clears the regulation limit in the Japanese special measures of dioxin release. The chemical process of dioxin decomposition was studied and low-toxicity of irradiated gas was confirmed in terms of endocrine disrupter influence.



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