Continuous process for concurrent production of dinitrotoluene a

Details Continuous process for concurrent production of dinitrotoluene a Continuous process for concurrent production of dinitrotoluene a

1976-06-01

1977-06-07

Sebastian, Leland A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

423393, C07C 7910, C01B 2138

Patent

active

040284255

ABSTRACT:
Dinitrotoluene and nitric acid are concurrently produced by continuously roducing toluene, nitrogen dioxide and oxygen in a molar ratio of at least 4 mols nitrogen dioxide and 1 mol oxygen per mol toluene into a reaction zone containing a reaction medium comprising dinitrotoluene and 93-103% nitric acid, maintaining the resulting mixture of toluene, nitrogen dioxide, oxygen and reaction medium under a pressure of at least 100 psig and at a temperature up to about 100.degree. C. until a reaction product containing dinitrotoluene and 93-103% nitric acid in the ratio of about 1 mol dinitrobenzene and 2 mols nitric acid is produced, and continuously removing said reaction product from the reaction zone.

REFERENCES:
patent: 3243466 (1966-03-01), Brogden et al.
patent: 3981933 (1976-09-01), Cook et al.

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