Method of cleaning a gas flow containing zinc vapor

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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75 14, C22B 1904

Patent

active

045085668

ABSTRACT:
A gas mixture obtained from reduction of material containing zinc oxide in a furnace, is cleaned from accompanying vapor of metals or compounds having a boiling point higher than zinc and from accompanying dust particles by cooling the hot gas mixture to almost the saturation temperature of zinc vapor by the introduction therein of solid or liquid metal.

REFERENCES:
patent: 1994345 (1935-03-01), Holstein et al.
patent: 3448972 (1969-06-01), Derham
patent: 3841862 (1974-10-01), Benatt et al.
patent: 3975188 (1976-08-01), Harvey et al.

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