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Originally posted by orangetom1999
Breathing air when submerged is by way of a Hydrogen producing machine...which electrically seperates the two componenets Hydrogen and Oxygen...getting rid of the Hydrogen and keeping the oxygen. The ships breathing air is also run through a machine called a scrubber ..to remove CO2...through a very nasty granulated. chemical which looks like Tasters Choice..Coffee..but far ..far ...far ...nastier. This stuff is so nasty..you cannot get close to it without a good resperator...it will literally gag you ..stop you from breathing. Anyway they filter the air through charcoal filters and also scrub the CO2 out of it through a machine called a scrubber.