Chlorine extraction of gold

Details Chlorine extraction of gold Chlorine extraction of gold

1981-09-11

1982-10-12

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75118R, 75112, 423 44, C22B 1100

Patent

active

043537405

ABSTRACT:
A process for treating a particulated gold bearing ore to recover the gold therein is disclosed. The process includes roasting the ore to remove sulfides as sulfur dioxide followed by chlorination of the ore at a temperature of about 350.degree. C. in the presence of iron to form a mixture of volatile gold chlorides and volatile gold-iron chlorides in the chlorine off gases followed by condensing the gold compounds by passing the mixture through a salt such as sodium chloride to form a salt melt and separating the gold from the melt.

REFERENCES:
patent: 3159703 (1964-12-01), Wolcott
patent: 3802873 (1974-03-01), Bradshaw
patent: 3825651 (1974-07-01), Heinen et al.
patent: 3834896 (1974-10-01), Eisele et al.
patent: 3976760 (1976-08-01), Toussaint
patent: 3988415 (1976-10-01), Barr
patent: 4086084 (1978-04-01), Oliver et al.
patent: 4094668 (1978-06-01), Yannopoulos
patent: 4209501 (1980-06-01), Kruesi

Affiliated with

Also associated with

Rating

Chlorine extraction of gold does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Chlorine extraction of gold, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chlorine extraction of gold will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-222248