Process for the in-situ detoxification of aminoalkyl phosphonoth

Details Process for the in-situ detoxification of aminoalkyl phosphonoth Process for the in-situ detoxification of aminoalkyl phosphonoth

1996-09-12

1997-10-14

Mai, Ngoclan

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

588244, A62D 300

Patent

active

056782438

ABSTRACT:
A process for the detoxification or decontamination of aminoalkyl phosphonothiolates and more particularly, the chemical warfare agent VX and its analogs. The process comprises adding water to the chemical agent so that an hydrolysis reaction of the chemical agent with water occurs at specified molar ratios. In a preferred embodiment, the detoxification process is carried out in situ within the chemical agent storage containers in the field and includes mixing the contents of the container after adding the water. The mixing may be accomplished by shaking, rolling, tumbling or pumping.

REFERENCES:
patent: 5075297 (1991-12-01), Bannard et al.
patent: 5584071 (1996-12-01), Kalyon et al.
Chemical Reactions for Neutralising Chemical Warfare Agents, Yu-Chu Yang, emistry & Industry, May 1, 1995, No. 9, pp. 334-337.
Hydrolysis of VX:Activation Energies and Autocatalysis, Yu-Chu Yang, et al, ERDEC-SP-036, May 1996, pp. 375-382.
Hovanec et al, Agent Neutralization Studies III. Detoxification of VX in Aqueous Persulfate, AD-A283-429, 17 pgs.

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