Treatment of steel mill waste materials

Details Treatment of steel mill waste materials Treatment of steel mill waste materials

1977-09-19

1980-07-22

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

23313R, 75 3, 75 5, 264 9, 264111, 264117, C22B 116, C22B 1243, C22B 1244, C21B 1300

Patent

active

042137799

ABSTRACT:
Steel mill wastes are treated to recover the iron values thereof by a two stage agglomeration process wherein relatively small size first agglomerates are formed by agglomeration of steel mill wastes from an aqueous suspension thereof and then relatively large size second agglomerates are formed by agglomeration of said first agglomerates from a suspension thereof in a hydrophobic organic liquid and simultaneously a reactant chemical reacts with the agglomerates to provide a solid binder material formed in situ during the second agglomeration procedure.

REFERENCES:
patent: 3268071 (1966-08-01), Puddington et al.
patent: 3307927 (1967-03-01), Muschenborn
patent: 3368004 (1968-02-01), Sirianni et al.
patent: 3377146 (1968-04-01), Von Stroh
patent: 3471267 (1969-10-01), Copes et al.
patent: 3536475 (1970-10-01), Trub
patent: 3969103 (1976-07-01), Copes et al.
patent: 4003737 (1977-01-01), Caswell et al.
patent: 4004918 (1977-01-01), Fukuoka et al.
patent: 4082539 (1978-04-01), Sugawara

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