Method for recovering zinc oxide from dust

Details Method for recovering zinc oxide from dust Method for recovering zinc oxide from dust

1997-03-31

2000-08-15

Andrews, Melvyn

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

75658, 75961, 75 1031, 423107, C21B 1100, C22B 702, C22B 1930, C22B 1934

Patent

active

061029823

ABSTRACT:
A method for recovering zinc oxide comprises the steps of: agglomerating a dust; charging the agglomerate to a molten iron in a melting furnace; collecting a dust generated from the melting furnace; recycling a part of the collected dust and recovering another part of the collected dust. An apparatus for recovering zinc oxide comprises: an agglomeration unit for agglomerating a dust containing iron oxide and zinc oxide; a melting furnace for accepting the agglomerate and for holding the molten iron for reducing the dust; and at least two units of dust collector for collecting the dust containing zinc oxide generated from the melting furnace.

REFERENCES:
patent: 5540751 (1996-07-01), Yamamoto et al.

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