Soda-ash synthesis from brine + limestone + ammonia: NaCl+NH3+CO2+H2O→NaHCO3+NH4Cl; 2NaHCO3→Na2CO3+CO2+H2O. Nearly complete NH3 recovery cycle.
Soda-ash synthesis from brine + limestone + ammonia: NaCl+NH3+CO2+H2O→NaHCO3+NH4Cl; 2NaHCO3→Na2CO3+CO2+H2O. Nearly complete NH3 recovery cycle.