Method of treating zinc-containing substance

Details Method of treating zinc-containing substance Method of treating zinc-containing substance

1996-09-30

1998-06-16

Andrews, Melvyn

Specialized metallurgical processes, compositions for use therei

Processes

Process control responsive to sensed condition

75419, 75660, 75665, C22B 1904

Patent

active

057663076

ABSTRACT:
Method and apparatus for collecting valuable products, particularly zinc, from a zinc-containing substance such as electric furnace dust. A shaft type smelting reduction furnace has a packed bed of a carbonaceous solid reducing agent and has upper and lower tuyeres, and a zinc-containing substance is injected through tuyeres to reduce and vaporize zinc, which is directly contacted by a liquid coolant thereby forming a slurry, and the zinc product is collected from the slurry.

REFERENCES:
patent: 3592631 (1971-07-01), Cattelain
patent: 5372630 (1994-12-01), Foo et al.

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