Method for recovering zinc from substances containing a zinc...

Details Method for recovering zinc from substances containing a zinc... Method for recovering zinc from substances containing a zinc...

C - Chemistry, Metallurgy

22

B

53/314

C22B 1/20 (2006.01) C22B 7/02 (2006.01) C22B 19/00 (2006.01) C22B 19/34 (2006.01)

Patent

CA 1239020

ABSTRACT OF THE DISCLOSURE: A method for recovering zinc from substances containing a zinc compound which comprises supplying a carbonaceous substance and a zinc compound-containing substance onto the hearth layer in a sintering appara- tus, vaporizing the zinc compound in said substance as metal to separate the compound therefrom by forming a locally strong reducing atmosphere at the combustion temperature of sintering material, oxidizing the resultant vapor-form zinc into zinc oxide under a strong oxidizing atmosphere, and then discharging the resultant zinc oxide as such from said sintering apparatus.

472631

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