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

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

C - Chemistry, Metallurgy

22

B

C22B 7/00 (2006.01) C21B 11/00 (2006.01) C22B 7/02 (2006.01) C22B 7/04 (2006.01) C22B 11/00 (2006.01)

Patent

CA 2159137

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.

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