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(2) the main nitrator ; TNT MANUFACTURE 369 (3) one or more supplementary nitrators; (4) a vessel for extraction of the waste ac ...

370 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES Nitrators for continuous nitration are of about one twentieth the size of reactors fo ...

TNT MANUFACTURE^371 All nitrators are provided with regulators controlling the supply of cooling water. According to A. B. Bofor ...

372 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES ...

TNT MANUFACTURE^373 ...

374 CHEMISTRY AND TECHNOLOGY OFEXPLOSIVES than in leg (1). The rate of feed of partly separated emulsion can be regulated by mea ...

TNT MANUFACTURE. 375 FIG. 91. Diagram of a system of nitrators (N) and separators (S) in the Chematur method of continuous manuf ...

376 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES The yield of TNT is as high as 97-99% of theory. If an unfractionated mixture of the ...

TNT MANUFACTURE 377 Purification by crystallization In the past the TNT, washed free from acids, was further purified by crystal ...

378 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES The residue left after the solvent - alcohol (in the earlier crystallization method) ...

TNT MANUFACTURE^379 FIG. 92. Continuous crystallization of TNT (Bofors-Norell method [26]). is dissolved. The solution flows to ...

380 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES water. For this purpose the installation described on p. 364 may be used, in which a ...

TNT MANUFACTURE^381 ...

382 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES together to form a unit. It is divided into sections by vertical walls, each section ...

FIG. 97. Sulphitation of TNT (British method [6]). ...

384 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES used amounts to 3.54% of the weight of the TNT. The designers of this method believe ...

TNT MANUFACTURE^385 After half an hour the stirrer is stopped, the solution is separated by decantation and the TNT left behind ...

386 CHEMISTRY AND TECHNOLOGY OF EXPLOSIVES a minimum. The nitro compound, separated from acid in the separator (4) (see the diag ...

TNT MANUFACTURE 387 FIG. 100. Lay-out of a plant for continuous TNT manufacture according to Meissner [20]. ...

FIG. 101 Lay-out of a Bofors plant for continuous TNT manufacture [17]. (Dimensions in meters). ...