Process for the recovery of metallic iron from slags and other r

Details Process for the recovery of metallic iron from slags and other r Process for the recovery of metallic iron from slags and other r

1994-11-07

1995-06-27

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Consolidating metalliferous material by agglomerating,...

75962, 241 14, 241 24, C21D 706

Patent

active

054276071

ABSTRACT:
A process for the recovery of at least a major proportion of the useful metallic iron values in small sized ferrous slags and drosses in which the slags and drosses are subjected to at least one grinding step in a wet grinding mill. Depending on the size of the slag and dross particles, either a peripheral end discharge rod mill or an axial discharge ball mill is used. In a preferred configuration, two wet grinding stages are used, comprising a peripheral end discharge rod mill followed by a ball mill. Products with different metallic iron contents are recovered by interposing screens with suitably sized openings between and after the grinding mills. This process makes it possible to recover at least about 80% of the metallic iron in the feed material.

REFERENCES:
patent: 644180 (1900-02-01), Lane
patent: 2971703 (1961-02-01), Rath
patent: 4190422 (1980-02-01), Hitzrot

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