Extinguishing Oil Fires

Extinguishing Oil Fires

For extinguishing oil fires, where water is both ineffective and dangerous, frothy liquids have been recommended. In a recent test in Germany, a mixture of one quart each of caustic soda and alum solutions yielded 15 quarts of yellowish white foam, having a density of 0.14, and this could be sucked up and distributed like water by a hose. Spreading over a surface, the foaming liquid kept on water and benzine 10 minutes with little change. A basement of 30 square feet, filled with benzine to 20 inches, was tired and was extinguished in 78 seconds with 18 gallons of the frothy mixture, and a burning benzine tank, six feet in diameter and nine feet high, was extinguished in 14 seconds. The benzine was little affected, burning as usual after removal of the froth. It is claimed that the discovery will he especially beneficial in case of oil fires.

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