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by mdekkers 1098 days ago
CO2 scrubbers

https://en.m.wikipedia.org/wiki/Carbon_dioxide_scrubber
2 comments
sbierwagen 1098 days ago
(Which dumps the CO2 overboard, which is why the sub needs to constantly replenish the amount of oxygen in the air.)
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CobaltFire 1098 days ago
Specifically (at least in the US) amine treatment using Monoethanolamine:

https://en.m.wikipedia.org/wiki/Amine_gas_treating

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