Process for the recovery of elemental sulphur from residues...

Details Process for the recovery of elemental sulphur from residues... Process for the recovery of elemental sulphur from residues...

C - Chemistry, Metallurgy

01

B

C01B 17/06 (2006.01) C01B 17/02 (2006.01) C22B 3/04 (2006.01)

Patent

CA 2589666

The present invention relates to a process for the recovery of elemental sulphur from residues produced in hydrometallurgical processes based on leaching with a solution of sodium sulphide in which the sulphur contained in the residues is selectively leached as sodium polysulphide. The sulphur leaching solution is conveniently regenerated and recycled to the process.

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