Reclamation of a palladium-tin based electroless plating catalys

Details Reclamation of a palladium-tin based electroless plating catalys Reclamation of a palladium-tin based electroless plating catalys

1983-02-14

1986-07-15

Konopka, P. E.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Treating with a liquid or treating in a liquid phase,...

106 111, B01J 3868, B01J 2396, C23C 1606

Patent

active

046006990

ABSTRACT:
A method for the recovery and reuse of an expensive palladium-tin catalyst whereby alkali hydroxide or carbonate is added to the exhausted catalytic solution and/or the spent rinse water solution to precipitate out a catalyst residue, which is then filtered, collected, washed, and dissolved in a hydrohalide acid and adjusted to a predetermined concentration.

REFERENCES:
patent: 4187198 (1980-02-01), Zeblisky

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