Method for producing epsilon-caprolactam

Details Method for producing epsilon-caprolactam Method for producing epsilon-caprolactam

2007-07-03

2007-07-03

Kifle, Bruck (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

Reexamination Certificate

active

10883822

ABSTRACT:
ε-Caprolactam is produced by the method comprising the step of introducing a gas comprising cyclohexanone oxime into a layer of solid catalyst particles through a plurality of holes of a gas diffusion plate so that the solid catalyst particles are brought into contact with the gas, while fluidizing the catalyst layer, wherein the holes have an average diameter of about 3 mm or smaller. In accordance with the production method, ε-caprolactam can be produced from a raw material gas comprising cyclohexanone oxime with a high conversion of cyclohexanone oxime and a high selectivity to ε-caprolactam.

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Chemical Machine Technology, 202-204, No. 18, (1965).

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