Recovery of precious metals from catalyst residue

Details Recovery of precious metals from catalyst residue Recovery of precious metals from catalyst residue

1993-01-21

1994-04-12

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Producing or treating free metal

423 22, C22B 1100

Patent

active

053021835

ABSTRACT:
The invention relates to a process for recovering a precious metal, particularly palladium, from a non-aqueous effluent comprising the metal and dissolved salt and/or polyether contaminants, wherein the effluent is contacted with a reduction agent, the precious metal is deposited onto a carrier, preferably comprising a combustible carbonaceous material, and the metal loaded carrier is separated from the effluent.

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patent: 4218336 (1980-08-01), Eisenbach et al.
patent: 4791190 (1988-12-01), Van Broekhoven et al.
patent: 4822760 (1989-04-01), Kashibe et al.
patent: 4895595 (1990-01-01), Imatani et al.
patent: 5102632 (1992-04-01), Allen

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