Process for purifying TNT

Details Process for purifying TNT Process for purifying TNT

1975-06-10

1976-05-11

Sebastian, Leland A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260701, C07C 7910

Patent

active

039564096

ABSTRACT:
Unsymmetrical TNT isomers are removed from solid or molten crude TNT by treatment with aqueous ammonium sulfite. The yield of purified TNT is significantly greater by treatment with aqueous ammonium sulfite than with conventional sodium sulfite ("sellite") at acceptable levels of isomer removal. By use of ammonium bisulfite together with ammonium sulfite or operation in a closed system to avoid loss of ammonia, high yields of TNT with essentially complete removal of TNT isomers can be obtained at low sulfite levels.

REFERENCES:
urbanski, Chemistry and Technology of Explosives, Vol. I, The MacMillan Cany, New York, 1964, pp. 308 and 332 to 335.

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