Tech Tree / CO2 freeze-separation co2-capture CO2 freeze-separation Process Mars-native TRL Mars 5 / 9 Energy intensity high Required by 2 Requires 3 Inputs: CO2 gas Electricity Built from: Cryo compressor Outputs: Liquid CO2 (buffer tank) N2 + Ar stream Requires Inputs CO2 gas Intermediate Electricity Intermediate Built from Cryo compressor Component Required by Liquid CO2 (buffer tank) Intermediate · input N2 + Ar stream Intermediate · input