Originally Posted by
CliffordK
I believe CO2 is typically stored in a compressed liquid state, while Nitrogen is stored in a compressed gaseous state.
So, while the compressed N2 may work, you get a lot of gas in very little space with the CO2.
Exactly this ^^^. The expansion ratio of CO2 going from liquid to gas is 535 to 1. This provides the output of a relatively large volume of pressurized gas from a very small package.