Continuously Conducted Selective Hydrogenation of Benzene to Cyclohexene in a Four‐Phase System | Zendy

Spod Hendrik | Zendy; Lucas Martin | Zendy; Claus Peter | Zendy

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Continuously Conducted Selective Hydrogenation of Benzene to Cyclohexene in a Four‐Phase System

Author(s) -

Spod Hendrik,

Lucas Martin,

Claus Peter

Publication year - 2015

Publication title -

chemical engineering and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.403

H-Index - 81

eISSN - 1521-4125

pISSN - 0930-7516

DOI - 10.1002/ceat.201500224

Subject(s) - cyclohexanol , cyclohexene , cyclohexane , cyclohexanone , benzene , catalysis , chemistry , adipic acid , caprolactam , platinum , organic chemistry , continuous stirred tank reactor , inorganic chemistry

Currently, the production of nylon 6 and nylon 6.6 is based on the complete hydrogenation of benzene to cyclohexane over nickel or platinum catalysts and its subsequent oxidation at very low conversions to a mixture of cyclohexanol/cyclohexanone. This mixture is further reacted to ϵ ‐caprolactam or adipic acid. Alternatively, the reaction can be carried out by selective hydrogenation of benzene to cyclohexene and subsequent hydration with acidic catalysts to cyclohexanol. A laboratory method for the selective hydrogenation of benzene in a continuous stirred‐tank reactor (CSTR) using a gas/liquid/liquid/solid system is presented.

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