Continuous adiabatic process for the mononitration of benzene

Details Continuous adiabatic process for the mononitration of benzene Continuous adiabatic process for the mononitration of benzene

1977-08-19

1978-05-23

Sebastian, Leland A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

203 12, 203 88, C07C 7910, C07C 7912

Patent

active

040910423

ABSTRACT:
Benzene is admixed and reacted continuously with a mixed acid containing 3-7.5% nitric acid, 58.5-66.5% sulfuric acid, and 28-37% water under pressure sufficient to maintain benzene in liquid state until complete conversion of nitric acid is achieved to provide mononitrobenzene containing less than 500 ppm dinitrobenzene.

REFERENCES:
patent: 3087971 (1963-04-01), Samuelsen
patent: 3243466 (1966-03-01), Brogden et al.
patent: 3928475 (1975-12-01), Dassel

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