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PVCPVCPVCCa(OH)2H2SS2-5760/PVC1440/7200/2880/4320/CaC2+2H2OC2H2+Ca(OH)2CaO+2H2OCa(OH)2CaS+2H2OCa(OH)2+H2SCa3N2+6H2O3Ca(OH)2+2NH3H2SH2S+2OH-S2-+H2ONH3S2-Ca(OH)2pH12-13SO2CaSO3CaSO4SO2pHCOD1GB15581-199520071pH9.5S2-CODPVCINDUSTRIALWATERTREATMENTINDUSTRIALWATERTREATMENTSS8060mg/lpH2pH9.0-9.5SSFeSO4•7H2OFe²+SO4²-7H2OS²-Fe²+FeSCa(OH)2+CO2CaCO3+H2OFeSO4•7H2OFeSFeSO4•7H2OCODCrmg/LSSmg/LpHmg/LBOD5mg/L≤750≤6000≤4≤30038410070691.0301molS²-1molFe²+32.0655.851mgS²-8.75mgFeSO4•7H2OCaO=CaOCaOmmol/lFeSO4•7H2Ommol/lmmol/l0.5-1.0mmol/lSS95%70%NaOHpH11-12Mn²2OHMn(OH)22Mn(OH)2O22H2MnO32S24H2MnO3H2OS2O3²4Mn(OH)22OHMn²Mn(OH)2H2MnO3S1mol2molH2MnO32molMn(OH)2Mn(OH)2100mg/l656mg/lS2S2O3²2S22O2H2OS2O3²2OH-1kgS21kg1kgH2MnO30.15kg100mg/l656mg/l800Nm3/h16.7pHHO•O3HO•HO•O33O3OH-H2OH•4O220mg/l60-90mg/l40pH1097%PVCPVCCOD100-300mg/lBOD/COD0.25PVA1.02-1.09g/cm34500m2/m38g/l50um5%-10%(1)240m3/h22m4.2m4.5m8.4min1.4m4.2m5.7m3.25h1.39m3/m2•h22m4.2m4.2m28min3.2m4.2m4.2m2.8h1.52m3/m2•h(2)120m3/h5.1m28m4.5m5.316.7804m3/h13.5m3/minPIK30020050%-100%(3)180m3/h18.4m18.8m4.0m7.68200m³4-6mg/l3INDUSTRIALWATERTREATMENT12GB15581-19953pHSSSS2.5BDP®®CODCOD300mg/LCOD100mg/L1BDP®®5BDP®®2.1®®(1)BDP®®11(2)52COD≤560mg/LNH3-N≤260mg/L+COD≤60mg/LNH3-N≤15mg/LNH3-N260-15=245mg/L2454=980mg/LBDP®®COD≤106mg/LNH3-N≤3.6mg/LCOD≤60mg/LNH3-N≤15mg/L50%BDP®®60%3®®(1)(2)(3)(4)(5)