Process for continuous production of trinitrotoluene

Details Process for continuous production of trinitrotoluene Process for continuous production of trinitrotoluene

1973-02-20

1977-05-10

Sebastian, Leland A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

23266, C07C 7910

Patent

active

040228444

ABSTRACT:
An improved process for the continuous production of trinitrotoluene by dinitrating and trinitrating mononitrotoluene in the presence of concentrated nitric acid and concentrated sulphuric acid or fuming sulphuric acid, which is characterised in that the trinitration step is carried out in a group of pieces of equipment in which the reagents flow in co-current, this group comprising at least two stages, each stage having at least two nitration reactors in series followed by a separator and the first of the reactors in each stage being supplied separately with a mixture of concentrated sulphuric acid or fuming sulphuric acid and nitric acid.
Installations for carrying out this process are also disclosed.

REFERENCES:
patent: 2951746 (1960-09-01), Kouba et al.
patent: 3204000 (1965-08-01), Samuelsen

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