US 7,518,029 B2
Process for destruction of gelled sulphur mustard
Krishnamurthy Sekhar, Gwalior (India); Ramesh Chandra Malhotra, Gwalior (India); Balwant Singh Batra, Gwalior (India); and Kumaran Ganesan, Gwalior (India)
Assigned to Defence Research & Development Organisation, New Delhi (India)
Appl. No. 10/545,827
PCT Filed Sep. 18, 2003, PCT No. PCT/IN03/00315
§ 371(c)(1), (2), (4) Date May 09, 2006,
PCT Pub. No. WO2004/073800, PCT Pub. Date Sep. 02, 2004.
Claims priority of application No. 137/DEL/2003 (IN), filed on Feb. 18, 2003.
Prior Publication US 2006/0235259 A1, Oct. 19, 2006
Int. Cl. A62D 3/00 (2007.01)
U.S. Cl. 588—321 11 Claims
 
1. A process for the complete destruction of gelled sulphur mustard (SM), comprising the steps of:
(a) dissolving gelled sulphur mustard (SM) in organic solvent selected from the group consisting of 2-chloroethanol, methanol, methyl cellosolve, and mixtures and combinations thereof to obtain a clear mixture,
(b) transferring and destroying the clear mixture of dissolved gelled SM solution and organic solvent obtained from step (a) using an incinerator;
(c) dissolving residual gelled SM obtained from step (b) by adding methyl cellosolve; and
(d) chemically converting the dissolved SM obtained from step (c) into non-toxic products by adding powdered sodium hydroxide and then diethylenetriamine.