Method for disposing of red phosphorus composition

Details Method for disposing of red phosphorus composition Method for disposing of red phosphorus composition

1978-10-05

1979-08-07

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Fume or waste affecting

149 29, 149 30, 1491096, C06B 2502

Patent

active

041636821

ABSTRACT:
A method for disposing of a pyrotechnic composition comprised of red phosrus, manganese dioxide, magnesium, zinc oxide and linseed oil, with at least fifty percent of the composition being red phosphorus. The composition is burned in a first enclosed chamber and the products of combustion are drawn into a second enclosed chamber and burned. The product gases from the second enclosed chamber are sprayed with water to form phosphoric acid which is collected. The ashes in the first enclosed chamber are sprayed with water to produce phosphine which is burned in the first enclosed chamber and the residue is an inert ash.

REFERENCES:
patent: 3607472 (1971-09-01), Douda
patent: 4113841 (1978-09-01), Staendeke et al.

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