Recycling process for the preparation of cyclohexanone oxime

Details Recycling process for the preparation of cyclohexanone oxime Recycling process for the preparation of cyclohexanone oxime

1975-04-24

1976-12-14

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C13104

Patent

active

039976076

ABSTRACT:
An improved cyclic process for producing cyclohexanone oxime is provided wherein the circulating reaction medium is subjected to a heat treatment, at a temperature of at least 120.degree. C in the presence of nitrous gases, and at an absolute pressure of over 1 atmosphere, as it circulates between the oxime synthesis zone and the hydroxylamines synthesis zone. Cyclohexanone oxime is a valuable commercial commodity e.g. for the preparation of nylon-6 via .epsilon.-caprolactam.

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