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[A-6.1 Research on Feasibility of Technologies for Control of Ozone Layer Depletion Materials]

[Contact Person]

Kohei Urano
Professor, Lab. of Safety and Environ. Eng., Yokohama National Univ.
156 Tokiwadai, Hodogayaku, Yokohama, Kanagawa,240 Japan
Tel:045-335-1451(Ext.2892), Fax:045-336-4036

[Total Budget for FY1991-1993]

24,244,000 Yen (FY1993 8,166,000 Yen)

[Abstract]

　Technologies for control of ozone layer depletion materials were estimated in detail by questionnaire, hearing, references and experiments for making clear on feasibility of them. The obtained results are summerized as follows:
(1) Good design of equipments for removal and recovery of chlorofluorocarbons(CFCs) from exhaust gas are economic and able to be applied also for removal and recovery of hydrochlorofluorocabons(HCFCs), hydrofluorocarbons(HFC) and other solvents.
(2) Followings are need for construction of recycling system of disused refrigerant.
1)High performance, low priced and small equipment to recover refrigerant from refrigerators.
2)Social recovery system
3)Legal fobid to release CFCs in air
(3) It is possible to destruct CFCs completely by good designed incinerate system under the selected conditions.

[Key Words]

Chlorofluorocarbons(CFCs), Exhaust Gas, Refrigerant, Recovery, Destruction