Device for leaching copper from slags

Details Device for leaching copper from slags Device for leaching copper from slags

1982-09-30

1984-11-27

Andrews, M. J.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

Slag refining means

266229, 75 24, 75 72, F27B 316

Patent

active

044847300

ABSTRACT:
Method of and apparatus for leaching copper from slags by the use of a device comprising at least two cells separated by partitions and connected to each other by means of through-holes provided at the bottom part of the partitions, a slag charging hole, a copper matte charging hole, a slag discharge hole, a copper matte discharge hole, and a heating appliance, said partitions being alternately higher and lower, the height of the through-holes through the higher partitions increasing toward the slag discharge holes. Said method includes reduction, sulphidization, and copper matte rinsing of the slag, the copper matte rinsing of the slag being accomplished by its successive movement from one cell into another through a copper matte layer in alternately downward and upwardly directed streams. The passage of the slag through the higher partitions is accomplished through a copper matte sealing formed at the through-holes, and the passage of the slag past the lower partitions is accomplished over the upper edges of said lower partitions.

REFERENCES:
patent: 2741556 (1956-04-01), Schwartz
patent: 3687656 (1972-08-01), Maelzer et al.
patent: 4294433 (1981-10-01), Vanjukov et al.

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