Process for recovery of molybdenum and rhenium from ores

Details Process for recovery of molybdenum and rhenium from ores Process for recovery of molybdenum and rhenium from ores

1975-09-10

1977-02-01

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group viib metal

423 54, 423 53, 423 61, 423208, C01G 3900, C01G 4700

Patent

active

040062120

ABSTRACT:
In the recovery of molybdenum and rhenium values from sulfide ores, silica impurity is reduced to low levels by adding alumina to a carbonate fusion mix in an amount sufficient to combine with the silica present to form insoluble aluminum silicates, thus preventing its removal from the fusion mass during removal of soluble molybdenum and rhenium values by leaching, and thereby avoiding the necessity for conventional subsequent precipitation and filtration removal steps.

REFERENCES:
patent: 2187750 (1940-01-01), Marvin
patent: 2381565 (1945-08-01), Udy
patent: 3622301 (1971-11-01), Mehl et al.
patent: 3725524 (1973-04-01), Martin et al.
patent: 3770869 (1973-11-01), Kim et al.

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