A process for the recuperation of nitroglycerin of outflow flue sig, which of the production of nitroglycerin - explosives containing originate

摘要

Blasting oil contained in the effluent from the production of explosives containing nitroglycerine is recovered by extracting with nitroaromatics which make part of the final explosive, the resulting extract being used completely in the explosive production. Residues of nitroaromatics may be removed from the purified effluent by means of an extraction liquid being sparely water-soluble, such as toluene or xylene or a mixture thereof.