脱硫法有很多种,一般用双碱法,脱硫反应塔内反应NaOH+SO3+H2O→Na(HSO4)+H2ONaOH+SO2+H2O→Na2SO3+H2ONaOH+SO2+H2O→Na(HSO3)+H2ONaCO3+SO2+H2O→Na(HSO3)+CO2石灰浆池内反应CaO+H2O→Ca(OH)2+H2O氧化再生池和浓缩池内反应Ca(OH)2+Na2SO3→CaSO3+NaOH+H2OCa(OH)2+Na(HSO4)→CaSO4+NaOH+H2OCa(OH)2+Na(HSO3)→Na2SO3+CaSO3+H2ONa2SO3+O2→Na2SO4Na2SO4+Ca(OH)2+H2O→NaOH+CaSO4+H2O