Process for the recovery of molybdenum and rhenium from their su

Details Process for the recovery of molybdenum and rhenium from their su Process for the recovery of molybdenum and rhenium from their su

1980-06-11

1982-03-23

Vertiz, O. R.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05BB, 75 84, 75 1R, 423 49, 423 53, C22B 111, C22B 3434, C22B 3400

Patent

active

043210899

ABSTRACT:
A process for the recovery of molybdenum and rhenium from their sulfide ores which comprises subjecting the ores to microwave energy in the presence of oxygen to selectively heat the sulfides to convert them to oxides, and recovering the formed oxides. Alternatively, the sulfides in the ore are selectively heated with microwave energy in the presence of chlorine to convert them to the corresponding chlorides, and the metals recovered from the chlorides.

REFERENCES:
patent: 3261959 (1966-07-01), Connell et al.
patent: 3955960 (1976-05-01), Gorling
patent: 4076607 (1978-02-01), Zavitsanos et al.
patent: 4123230 (1978-10-01), Kirkbride
patent: 4144056 (1979-03-01), Kruesi
patent: 4148614 (1979-04-01), Kirkbride
patent: 4152120 (1979-05-01), Zavitsanos et al.
Zavitsanos, P. D., et al., Coal Desulfurization Using Microwave Energy, Report No. EPA-600/7-78-089, U.S. EPA, pp. 1-68 (1978).

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