Method for disposing of run-down batteries and other waste...

Details Method for disposing of run-down batteries and other waste... Method for disposing of run-down batteries and other waste...

C - Chemistry, Metallurgy

22

B

C22B 7/00 (2006.01) B09B 3/00 (2006.01) C22B 5/10 (2006.01) C22B 5/16 (2006.01) F23G 5/027 (2006.01) F23G 7/06 (2006.01) H01M 6/52 (2006.01) A62D 3/00 (2006.01)

Patent

CA 2041307

- 21 - ABSTRACT The invention relates to a method for disposing of run-down batteries and other, mainly metallic, waste products made toxic by the presence of heavy metals. During an initial stage of the method, run-down batteries and the toxic compounds are introduced into a molten iron bath wherein, under a reducing medium, the metallic compounds are reduced to the metal state, and in this condition, partly dissolved through the molten iron and partly vaporized; the stable metallic compounds under reducing medium are instead absorbed to a slag generated by feeding a suitable scorifier into the molten iron bath. (Fig. 1)

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