Main reaction when using hydrated lime and Sodium bicarbonate respectively
Ca(OH)2 + 2HCl → CaCl2 +2H2O
Ca(OH)2 + SO2 + 1/2 O2 + 2H2O → CaSO4 ∙2H2O +H2O Ca(OH)2 + 2HCl → CaCl2 +2H2O
NaHCO2 + HCl → NaCl +H2O +CO2
2NaHCO2 + SO2 + 1/2 O2 → Na2SO4 +H2O +2CO2