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Recovery of organic values from TNT manufacturing wastes. Technical report

Technical Report ·
OSTI ID:6557814
Pure 2,4 DNT-3- and -5-SO3Na were prepared from 2,3,4- and 2,4,5-TNT, respectively, and a procedure was developed for their extraction (as a mixture) from red water. Reactions of the sulfonates were studied, with special emphasis on direct and indirect methods for desulfonating them to 2,4-DNT. Reactions studied also included reduction of the nitro groups, followed by desulfonation to 2,4-DAT; heating with sulfur dioxide (giving 2-amino-4-nitrotoluene by partial reduction and desulfonation); and replacement of the sulfonate group by chlorine, hydroxyl, sulfur, cyano, and various substituted amino groups. Most of these reactions with pure sulfonates were also applied to the corresponding TNT isomers, and in some cases directly to red water. The economic feasibility of 2,4-DAT recovery was considered. Also discussed were recent studies on the recovery of TNM from TNT process gas, and the recovery of TNB from TNT oxidation products. (Author)
Research Organization:
Army Armament Research and Development Command, Dover, NJ (USA). Large Caliber Weapon Systems Lab.
OSTI ID:
6557814
Report Number(s):
AD-A-055978; ARLCD-TR-78012
Country of Publication:
United States
Language:
English