Extinguishing combustible metal fires

Details Extinguishing combustible metal fires Extinguishing combustible metal fires

1986-09-08

1990-05-08

Locker, Howard J.

Compositions

Fire-extinguishing

169 45, 169 47, 252 7, 252 805, 252355, 252544, 252554, 252558, 252559, A62D 100, B01F 1700, C11D 112

Patent

active

049236210

ABSTRACT:
A Class D (combustible metals) firefighting agent comprises a detergent mixture, vitamin B-6, sodium chloride, bicarbonate soda, and minimum amounts of water. The detergent mixture comprises an alkylbenzolyate sulfonate, non-ionic detergent and lauric superamide, preferably comprising, by volume: about 41-45% linear alkylbenzene sulfonate, about 8-12% isoctylphenyl polyethoxyethanol, about 0-4% polyoxyethylene sorbitan monooleate, about 8-12% lauric diethanolamide, about 0.5-1% monoethanolamide superamides, and about 26-30% water. The vitamin B-6 is provided in an amount of about 1-3% by weight of the detergent mixture, the sodium chloride 25-41%, and the bicarbonate 3-18%. Burning titanium, uranium, or any other type of combustible metal fire, can be extinguished by applying the liquid formulation directly to the fire.

REFERENCES:
patent: 3531407 (1970-09-01), Phillips et al.
patent: 3565801 (1971-02-01), Birchall et al.
patent: 3637022 (1972-01-01), Kelly (deceased) et al.
patent: 4248733 (1981-02-01), States, Sr.
Hawley, G., ed., 1981, The Condensed Chemical Dictionary, 10th edition, Van Nostrand Reinhold Co., New York, pp. 32-33.

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