Process for the preparation of cyclohexanol and/or cyclohexanone

Details Process for the preparation of cyclohexanol and/or cyclohexanone Process for the preparation of cyclohexanol and/or cyclohexanone

1989-04-06

1990-05-22

Reamer, James H.

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

Organic compounds

Oxygen containing

568835, 568360, 568836, C07C 4532

Patent

active

049279742

ABSTRACT:
The invention relates to a process for preparing cyclohexanol and/or cyclohexanone, in which cyclohexene in a feed stream containing cyclohexene, cyclohexane and benzene is hydrated into cyclohexanol and/or oxidized into cyclohexanone, the cyclohexanol and/or cyclohexanone formed is separated from the reaction mixture thus obtained and the remaining cyclohexane and benzene are recycled to a preconnected cyclohexene preparation section, part of the stream that is recycled to the cyclohexene preparation section being subjected to a dehydrogenation reaction and the remaining part to a hydrogenation reaction, and the reaction streams thus obtained being combined to form the feed stream to the hydration and/or oxidation step.

REFERENCES:
patent: 4339604 (1982-07-01), van Geem et al.
patent: 4507512 (1985-03-01), Okumura et al.
patent: 4528409 (1985-07-01), Mitsui et al.
patent: 4588846 (1986-05-01), Mitsui et al.
Don et al., Chem. Abst., vol. 97, #181822r (1982).

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