 1. CaCO3 -> CaO + CO2 - Heater 2. CaO + H2O -> Ca(OH) - Mixer 3. Ca(OH)2 + 2x NH4Cl -> CaCl2 + 2x NH3 + 2x H2O - Mixer + Gas Collector? 4. NaCl + NH3 + H2O + CO2 -> NaHCO3 + NH4Cl - Mixer + Gas Infuser? 5. 2x NaHCO3 -> Na2CO3 + CO2 + H2O - Heater