Recovery of zerovalent nickel complexes

Details Recovery of zerovalent nickel complexes Recovery of zerovalent nickel complexes

1984-04-30

1985-09-03

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,...

2604658R, 502162, 556 13, B01J 3140, C07C12002, C07C12126, C07F 1504

Patent

active

045393028

ABSTRACT:
Process for recovery of zerovalent nickel organophosphorus containing catalyst from a hydrocyanation product stream by controlling the level of unreacted mononitriles in the stream causing the thus treated stream to form two phases and recovering catalyst from the heavier phase.

REFERENCES:
patent: 3496218 (1970-02-01), Drinkard
patent: 3631191 (1971-12-01), Kane et al.
patent: 3766237 (1973-10-01), Chia et al.
patent: 3773809 (1973-11-01), Walter
patent: 3818068 (1974-06-01), Wells
patent: 3903120 (1975-09-01), Shook et al.
patent: 4371474 (1983-02-01), Rapoport
patent: 4385007 (1983-05-01), Shook
patent: 4416825 (1983-11-01), Ostermaier

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