Roasting of sulphide materials

Details Roasting of sulphide materials Roasting of sulphide materials

1979-07-05

1980-11-04

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 3, 75 7, 75 26, 75 77, C22B 110, C22B 1300, C22B 1900

Patent

active

042317916

ABSTRACT:
A process for roasting zinc/lead sulphide materials, comprising forming substantially spherical pellets composed predominantly of lead sulphide, coating these with predominantly zinc sulphide material, and then roasting the coated pellets in a roasting apparatus to effect oxidation of sulphide, predominantly to oxide.

REFERENCES:
patent: 1940912 (1933-12-01), Isbell et al.
patent: 2797158 (1957-06-01), Wendeborn et al.
patent: 3346364 (1967-10-01), Warnes
patent: 3955960 (1976-05-01), Gorling
patent: 4076526 (1978-02-01), Yuki

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