Patent ID: 6416601
Filing Date: 2002-07-09
Classification: C07D,Y10S

Abstract:
A method of recovering a nitramine from a nitramine-containing aluminized energetic material, said method comprising:subjecting the nitramine-containing aluminized energetic material comprising aluminum, the nitramine, and at least one binder to treatment in aqueous nitric acid to digest the binder into solution while neither solvating nor solvolyzing into solution at least substantially all of the nitramine, adding a mineral acid, other than nitric acid, into the solution and digesting at least a portion of the aluminum; and recovering at least a portion of the nitramine, wherein a weight ratio of the aqueous nitric acid to the nitramine-containing aluminized energetic material in the treatment is in a range of about 4:1 to about 6:1, and further wherein not more than 55 weight percent of the aqueous nitric acid consists of nitric acid.