I should add...
If no CO2 filtering technology exists, How do the navy Subs deal with the CO2 breathed out by the submariners? It wouldn't be due to CO2 filtering technology, would it?
Just found these...
http://www.casavonen.com/en/Filtration-CO2.htm
And...
http://www.naval-technology.com/contractors/hvac/molecular/
Thanks Google.
Next.
Wow, Google just saved you the 25 million it would otherwise cost you to discover such technology. You could send them a check in gratitude...but then again they seem to making enough money as it is.