B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/87
B01J 23/96 (2006.01) C22B 7/00 (2006.01) C22B 25/06 (2006.01) C23C 18/16 (2006.01)
Patent
CA 1228846
-15- 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.
447257
Enthone Inc.
Ridout & Maybee Llp
LandOfFree
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