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[A-2.1 Decomposition Technologies for Ozone Depleting Substances(Final Report)]

[Contact Person]

Koichi Mizuno
General Research Counselor
National Institute for Resources and Environment
Agency of Industrial Science and Technology
Ministry of International Trade and Industry
l6-3 Onogawa, Tsukuba, Ibaraki 305 Japan
Phone +81-298-58-8190, Fax +81-298-58-8191
E-mail: k_mizuno@nire.go.jp

[Total Budget for FY1993-FY1995]

97,643,000 Yen (FY1995; 32,726,000 Yen)

[Astract]

　Because of the seriousness of the stratospheric ozone depletion, it is mandated to destroy ozone depleting substances(ODS). A variety of technologies are desirable for destruction of ODS from small-scale to large-scale emission sources. The present study aims at developing and assessing the technologies of corona discharge plasma, catalysis, pyrolysis, incineration, photolysis, and supercritical water, by which chlorofluorocarbons, halons, and substitute fluorocarbons(HCFCs and HFCs) were successfully decomposed. In the research period of fiscal year 1993 to 1995, the experiments were carried out with respect to evaluation of reactor performance, detailed analyses of main- and by-products, accumulation of reaction parameters, elucidation of reaction mechanisms, promotional effects of additives and so forth.

[Key Words]

Ozone Depleting Substances, Chlorofluorocarbons, Decomposition, Plasma, Pyrolysis, Catalysis, Combustion, Photolysis, Supercritical Water