Reactivation of spent copper containing hydrocyanation catalysts

Details Reactivation of spent copper containing hydrocyanation catalysts Reactivation of spent copper containing hydrocyanation catalysts

1978-10-27

1980-07-01

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

2604653, B01J 2732, C07C12002

Patent

active

042105587

ABSTRACT:
Spent copper halide hydrocyanation catalysts are reactivated by treating with hydrogen halide. The process is particularly applicable to the hydrocyanation of butadiene to 3-pentenenitrile in the presence of a copper halide catalyst.

REFERENCES:
patent: 2553008 (1951-05-01), Sager
patent: 2920098 (1960-01-01), Burrus et al.
patent: 3114764 (1963-12-01), Rowbottom
patent: 3344084 (1967-09-01), Leland

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