Chemical process for disposal of rocket propellant containing ni

Details Chemical process for disposal of rocket propellant containing ni Chemical process for disposal of rocket propellant containing ni

1992-12-30

1995-07-04

Nelson, Peter A.

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

588203, 149107, C06B 2500

Patent

active

054302293

ABSTRACT:
Gel and solid rocket propellant is physically and chemically ablated from motors using a liquid or gaseous reagent such as anhydrous ammonia propelled by compressed nitrogen gas at 2000 psig or higher. Nitroglycerine and nitrocellulose are nitrate esters preferentially ablated from class 1.1 rocket propellant by anhydrous ammonia at a temperature of 70.degree. F. or higher.

REFERENCES:
patent: Re34419 (1993-10-01), Melvin et al.
patent: 4198209 (1980-04-01), Frosch et al.
patent: 4854982 (1989-08-01), Melvin et al.
patent: 4909868 (1990-03-01), Melvin
patent: 5250161 (1993-10-01), Chin et al.
patent: 5284995 (1994-02-01), Melvin
Davis et al., Technical Report CR-RD-PR-90-5, Critical Fluid Demilitarization of Rocket Motors by Liquid Ammonia Extraction, Stone Eng'g Co., Jun., 1990.

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