Process for the adiabatic preparation of mononitrotoluenes

Details Process for the adiabatic preparation of mononitrotoluenes Process for the adiabatic preparation of mononitrotoluenes

1996-07-12

1997-07-15

Wu, Shean C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568924, 568939, 568927, C07C20500

Patent

active

056485654

ABSTRACT:
Mononitrotoluenes can be prepared by intensively mixing together toluene, nitric acid, sulphuric acid and water, simultaneously or successively in their total amount, and, in the case of continuous preparation, redispersing the mixture at least twice, for which purpose a mixing energy of 1 to 40 watts per liter of the total reaction mixture, preferably 3 to 30 W/l, is employed per volume of the reactor, and, for the continuous procedure, the back mixing is substantially repressed. Adiabatic reaction conditions are maintained.

REFERENCES:
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patent: 4021498 (1977-05-01), Alexanderson et al.
patent: 4091042 (1978-05-01), Alexanderson et al.
patent: 4112006 (1978-09-01), Schubert et al.
patent: 4973770 (1990-11-01), Evans
patent: 5313009 (1994-05-01), Guenkel et al.

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