Why can't a foam extinguisher be used when the metal sodium is on fire? What fire extinguishers do you have?
Foam extinguishing agent can not, sodium in the combustion reaction with oxygen to generate sodium peroxide, CO2 reaction with oxygen and peroxide foam extinguishing agent in 2, Na2O2 + 2 CO2 = 2 Na2CO3 + O2 reaction to this release oxygen, promote the reaction of metal nanoparticles, the flame can be more severe to put out with sand.
No fire extinguishers, because the fire extinguisher, whether it is foam fire extinguishers, dry powder fire extinguishers, etc., are the principles of CO2 fire, they react to generate oxygen, oxygen combustion, and promote the combustion of metal sodium. Nor can water be used, because sodium reacts with water to produce hydrogen, hydrogen is a burning gas, in the simplest way: covering sand, isolating the air and extinguishing it.
