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Question:

Why is sodium burning? Do not use foam extinguisher to put out the fire

Why is sodium burning? Do not use foam extinguisher to put out the fire

Answer:

No, because the gas from the foam extinguisher has water and carbon dioxide.
The principle of foam extinguisher is mainly water and carbon dioxideSodium and its combustion products, Na2O2, can react with water and carbon dioxideSo you can't use foam extinguisher to put out the fire,Usually a small amount of Na burns with sand
Foam fire extinguishing device is the principle of reaction of aluminum and sodium bicarbonate, carbon dioxide and sulfuric acid to produce aluminum hydroxide precipitation of aluminum hydroxide may also be further decomposed into alumina and water, can not be used for light metal fire, is an important component of a fire extinguisher is potassium chloride or sodium chloride, is designed to kill the light metal fire, should effect sand and fire almost.

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