Treatment capacity Q100,000m3/dRaw water typeMWWRaw water qualityBODin200mg/LSSin150mg/LPrimary water quality SSprimary50mg/LTreated water quality BODout20mg/LSSout20mg/LPrimary treatmentFe saltDosing rate ascom. SolPurity as pureFeCl3Dosing rate asFeFeCl3 (Anhydrous)mg/L99%0.00mg/LFeCl3. 6 H2Omg/L60%0.00mg/LFeCl3 solutionmg/L40%0.00mg/LAl saltDosing rate ascom. SolPurity as pureAl2O3Dosing rate asAlAl2(SO4)3.18 H2Omg/L15.2%0.00mg/LAl2(SO4)3.14 H2Omg/L17.2%0.00mg/LAl2(SO4)3 solutionmg/L8.3%0.00mg/LPACl50mg/L10%2.65mg/LTotalSS sludge production10000kg/dPhysi-chem sludge production765kg/d10765kg/d449kg/hBiological treatmentBiological inlet SSo0.05kg/m3Biological outlet SSe0.02kg/m3BOD removal0.18kg/m3MLSS4kg/m3MLVSS3kg/m3BOD5 Load: Fm0.4kgBOD5/kgVSS.dAeration tank volume: V15000m3V= Q*(BODin-BODout) / [MLVSS*FmSludge yield coefficient: Y 0.6kgVSS／kgBOD5Primary sludge productionAttenuation coeffcient: Kd0.08d-1Sludge ratio: f0.6gMLSS/gSS9000kg/dX= Y*Q*(BODin-BODout) - Kd*V*MLVSS + fQ(SSo-SSe375kg/h19765kg/d824kg/hExtended aeration sludgeproduction: XTotal sludge productionTreatment capacity Q100,000m3/dRaw water typeMWWRaw water qualityBODin200mg/LSSinPrimary water quality SSprimaryTreated water quality BODout20mg/LSSoutPrimary treatmentSludge producedFe saltDosing rate ascom. SolPurity aspureFeCl30.00mg/LFeCl3 (Anhydrous)mg/L99%0.00mg/LFeCl3. 6 H2Omg/L60%0.00mg/LFeCl3 solutionmg/L40%Sludge producedAl saltDosing rate ascom. SolPurity aspureAl2O30.00mg/LAl2(SO4)3.18 H2Omg/L15.2%0.00mg/LAl2(SO4)3.14 H2Omg/L17.2%0.00mg/LAl2(SO4)3 solutionmg/L8.3%7.65mg/LPAClmg/L10%7.65mg/LSS sludge production0kg/dPhysi-chem sludge production0kg/d0kg/d0kg/hBiological treatmentBiological inlet SSo0.15kg/m3Biological outlet SSe0.02kg/m3BOD removal0.18kg/m3MLSS4kg/m3MLVSS3kg/m3BOD5 Load: Fm0.4kgBOD5/kgVSS.din-BODout) / [MLVSS*Fm]Aeration tank volume: V15000m3Sludge yield coefficient: Y 0.6kgVSS／kgBOD5Primary sludge productionAttenuation coeffcient: Kd0.08d-1Sludge ratio: f0.6gMLSS/gSS - Kd*V*MLVSS + fQ(SSo-SSe)15000kg/dX= Y*Q*(BODin-BODout) - Kd*V*MLVS625kg/h15000kg/d625kg/hExtended aeration sludgeproduction: XTotal sludge production150mg/Lmg/L20mg/LDosing rate asFeSlu dge produ ced0.00mg/L0.00mg/L0.00mg/L0.00mg/L0.00mg/L0.00mg/LDosing rate asAlSlu dge produ ced0.00mg/L0.00mg/L0.00mg/L0.00mg/L0.00mg/L0.00mg/L0.00mg/L0.00mg/LTotal0.00mg/LOD5/kgVSS.dV= Q*(BODin-BODou t) / [MLVSS*Fm]OD5BODin-BODou t) - Kd*V*MLVSS + fQ(SSo-SSe)
