Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1975-09-25
1977-08-16
Andrews, M. J.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
C22B 1904
Patent
active
040423794
ABSTRACT:
Condensing zinc vapor by contacting hot gases containing zinc vapor with a spray of molten lead droplets within a multi-stage condenser with recirculation of the molten lead, wherein the temperature of the lead in an intermediate stage of the multi-stage condenser is controlled to be within the range of from 475.degree. to 515.degree. C, preferably by feeding hot lead from the first stage of the condenser into the intermediate stage via a duct leading through a baffle wall separating the first and intermediate stages.
REFERENCES:
patent: 2473304 (1949-06-01), Robson
patent: 3841862 (1974-10-01), Benatt et al.
Gammon Michael William
Harris Colin Frank
Andrews M. J.
I.S.C. Smelting Limited
Metallurgical Processes Ltd.
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