Remelting method for recognition and recovery of noble metals an

Details Remelting method for recognition and recovery of noble metals an Remelting method for recognition and recovery of noble metals an

1998-11-02

2000-03-07

Hoang, Tu Ba

Industrial electric heating furnaces

Arc furnace device

Ingot remelting

373 15, 373108, H05B 707

Patent

active

060349859

ABSTRACT:
Method for recognition of noble metals otherwise not recognizable in base material clusters includes using an electric arc furnace in which base material clusters are disintegrated to free atoms or are alloyed with other components of the base materials, and are able to be recovered by conventional recovery techniques once they are recognized. The base material includes the products of smelting processes, pellets of compacted raw material, like anode mud or waste material, and the base materials are melted utilizing the heat from a dc electric arc furnace.

REFERENCES:
patent: 3979205 (1976-09-01), Wanzenberg
patent: 4892631 (1990-01-01), White
patent: 5142549 (1992-08-01), Bremer
patent: 5263044 (1993-11-01), Bremer
patent: 5853692 (1998-12-01), Lee et al.

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