Method for working up refuse or metal-oxide-containing refuse in

Details Method for working up refuse or metal-oxide-containing refuse in Method for working up refuse or metal-oxide-containing refuse in

1995-10-05

1998-07-07

Andrews, Melvyn

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

75585, 75629, 75640, 75658, 75669, 75691, 75694, 75501, 420590, C21B 1100, C22B 704

Patent

active

057762260

ABSTRACT:
A method for working up refuse or metal-oxide-containing refuse incineration residues or metallurgical residues includes an at least partial oxidation in a meltdown oxidizing reactor followed by a two-stage reduction. The first reduction stage is effected in an iron bath reactor in which iron oxides are not yet reduced. In the second reduction stage also iron oxides are reduced in an iron bath calciner, a pig iron bath being obtained. The metal bath discharged from the iron bath reactor reaches a segregation mold, from which crude bronze can be drawn off.

REFERENCES:
patent: 3890908 (1975-06-01), von Klenck et al.
patent: 4707185 (1987-11-01), Kimura et al.
patent: 5364447 (1994-11-01), Philipp et al.

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