Process for the production of cumene

Details Process for the production of cumene Process for the production of cumene

1981-01-15

1982-04-13

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

C07C 268

Patent

active

043249418

ABSTRACT:
Cumene is prepared by alkylation of benzene with propylene in the presence of a solid phosphoric acid catalyst in a continuous process by delivering liquid benzene and liquid propylene in a molar ratio lower than 6:1, to a liquid reaction medium consisting essentially of benzene and cumene and containing the catalyst, while maintaining the temperature and composition of said medium substantially uniform in each point, operating at 170.degree.-280.degree. C. and in the liquid phase, and with a contact time higher than about 0.4 hours, expressed as the ratio between volume of catalyst and hourly volume of reagents fed in.

REFERENCES:
patent: 2120702 (1938-06-01), Ipatieff et al.
patent: 2613188 (1952-10-01), Mavity
patent: 3813451 (1974-05-01), Canfield et al.
patent: 4051191 (1977-09-01), Ward
patent: 4108914 (1978-08-01), Gewartowski

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