Process for hydrogenating benzene in hydrocarbon oils

Details Process for hydrogenating benzene in hydrocarbon oils Process for hydrogenating benzene in hydrocarbon oils

1997-10-06

1998-07-07

Yildirim, Bekir L.

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

Hydrocarbon is aromatic

585270, 585271, 585273, 585274, C07C 510

Patent

active

057771863

ABSTRACT:
A process for selectively hydrogenating benzene in a hydrocarbon oil is disclosed. The process comprises reacting the hydrocarbon oil with hydrogen gas in the presence of a hydrogenation catalyst comprising at least one metal in Group VIII of the Periodic Table and an alkaline aqueous layer which contains zinc or a zinc compound. Benzene in hydrocarbon oils can be selectively converted into cyclohexane by the process, while suppressing the hydrogenation reaction of alkyl aromatic compounds which are important high octane materials for gasoline.

REFERENCES:
patent: 3943067 (1976-03-01), Chan et al.
patent: 4678861 (1987-07-01), Mitsui et al.
Dobert & Baube, "Kinetics and Reaction Engineering of Selective Hydrogenation of Benzene towards Cyclohexene", Chemical Engineering Science, vol. 51, No. 11, pp. 2873-2877, 1996, Jun.

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