17氧化还原

1OxidationandReduction1E01.0ME0E0/(S/S2-)=-0.428VE0/(Cr2O72-/2Cr3+)=1.33VE0/(Cl2/2Cl-)=1.36VE0/(MnO4-/Mn)=1.51V1.0MEE0RT/nFln[]/[]R:TFnCO2H2ONaClOFenton22Cl2H2OHOClHClHOClH++OCl-pH9OCl-100OCl-1.2VCNCNOClH2OCNCl2OHpHCNClHCNCNCl2OHCNOClH2OpH12131015pH9.5CNONH32NaCNO+3HOCl+H2O2CO2+N2+2NaCl+HCl+H2OpH677.583031pH2.07V,3.061.24V37mg/L250.6-1.2%3mg/L5300.1mg/L21O22O43OO3OO2O30.61.23O22O3----288.9kJ144.4kJ/mol-O31kgO30.836kWh95%1520kWh/kg-O321015kV23.5mm3.54.1)2KCN3O32KCNO2O22KCNO+H2O+3O32KHCO3+N2+3O21.84mg/1mg-CN4.61mg/1mg-CN2)12(g/L)mg/L(min)(g/L)3,4-(a)3.31.311.71440.030.03.20.6440.03)2.85VH2O2/UV,H2O2/O3/UVFentonH2O2/Fe2+UV1.6Criticalpoint(1)10100(2)2.(1)0.3g/cm3(2)1.5173.3Fe+Hg2+Fe2++HgpHpHFe+2H+Fe2++H24OHO2ClCl2HH2O2H212-298(1)Fe2+63Cr2O72-+6Fe2++14H+2Cr3++6Fe3++7H2OCrO42-+3Fe2++8H+Cr3++4H2O(2)63Cr2O72-+6e+14H+2Cr3++7H2OCrO42-+3e+8H+Cr3++4H2O2H++2eH2(3)Cr3++3OH-Cr(OH)3Fe3++3OH-Fe(OH)3