2 votes

SafeFlame torch turns water into fire

By Ben Coxworth
November 5, 2013

The pressurized acetylene and propane gas used in brazing and related tasks is highly flammable, and thus very dangerous. You know what isn't flammable, though? Water. Bearing that in mind, the European Union-funded SafeFlame consortium has developed a torch system that generates a flame using nothing but H2O and electricity.

SafeFlame utilizes an electrical current to electrolyze ordinary water, separating it into hydrogen and oxygen gas. Those gases are then mixed and ignited as they exit the torch's nozzle. By fine-tuning the proportions of the two gases, different types of flames can be produced for different applications.

Additionally, the length and heat of the flame can be adjusted by varying the amount of power delivered to the electrolyzer.
http://www.gizmag.com/safeflame-water-flame-torch/29673/?utm...
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