The soda lime solution is only used for shipboard casualties. The normal service system on a submarine uses a regenerative fluid to scrub the air of CO2.
This fluid smells like cat piss.
This fluid smells like cat piss.
>Weeks et al. (1960) reported that volunteers who smelled MEA vapor described the odor as ammoniacal, musty, or foreign; some volunteers were unable to characterize the odor.
> Ethanolamine is a colorless, viscous liquid with an odor reminiscent of ammonia.
Ammonia is a lot of what "cat piss" smells of, so that tracks. Thanks! That was really interesting to read about!
* https://en.wikipedia.org/wiki/Ethanolamine
* https://apps.dtic.mil/sti/citations/ADA389253
* https://www.sonistics.com/wp-content/uploads/01-KEY-DEVELOPM...
* https://nap.nationalacademies.org/read/11170/chapter/10#197