城市污水处理中的工艺运行优化

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,056002):,,DOMLSS,,:;;:X505:AProcessOptimizationofMunicipalSewageTreatmentBAIYun2fei(HandanMunicipalWastewaterTreatmentCorporation,Handan,Hebei056002,China)Abstract:Becauseofthedifferenceofthepracticalinfluentqualityandthedesignvalue,theoperationmanagementwasdiffi2cultandthecostwashighbyusingtheimprovedoxidationditchcraftinHandansewagetreatmentplant.Focusedonthepracticalsituationoftheplant,thecontrolproblemsofoperationparameterswerediscussedinthispaper,suchasDO,MLSS,sludgeageandsoon.Byanalyzingandoptimallyadjustingtheparameters,thegoodeffectsofnitrogenandphosphorusremovalareoperation.Keywords:modifiedoxidationditch;nitrogenandphosphorusremoval;optimaloperation:2009-12-03;:2010-03-08:(1976),,,,,,,10m3/d,65%,35%[1]20045,,8.5104m3/d,50km2,45,202020m3/d,,(GB89781996),1,,,8,2412,,,,,,,,,,,,[2]12,,,,[3]©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,DODO,,DO:MLSS(40005800mg/L),DO0.30.7mg/L,DO2.03.2mg/L,,,DO,,,,,DO,DO2.53.5mg/L,DO,2.2MLSS,,MLSS,40005800mg/L,6000mg/L,,,,,,MLSS,TP,,,,,,,MLSS,,MLSS,MLSS4500mg/L(),,MLSS5000mg/L,,MLSS,,,MLSS7000mg/L,,,(15%20%),,MLSS5000mg/L,,MLSS11MLSSTNTPMLSS/(mgL-1)NH+4-N/(mgL-1)/(mgL-1)/%TN/(mgL-1)/(mgL-1)/%TP/(mgL-1)/(mgL-1)/%4500500019.5420.075.773.2570.4782.9647.3049.8925.4223.7646.2652.383.162.751.120.3964.5685.822.3,(35d),1015d,,,3.57d,,,,,,,,©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1619d),MLSS,TNTP45%75%,,MLSSMLVSS,,MLSS46005400mg/LMLVSS23002700mg/L,,2.4BOD5/TNBOD5/TPBOD5/TN,,,,,BOD5/TN,BOD5/TN2.86,,BOD5,4.0BOD,BOD5/MLSS0.15kg/(kgd),,BOD5/MLSS0.060.13kg/(kgd),70%,(BOD5/TP),,,,,,1.0mg/L,BOD5/TP2030,(BOD5/TP=54BOD5/TN=3.4)BOD5/TP20,BOD5/TN4,TN,32,200732/(mgL-1)/(mgL-1)/%BOD52004639818430329168591.30COD450897513531201389417388.38SS2506587037530462178895.47NH+4-N2511.5734.8523.69250.2224.756.7571.51TN352794.8253.4918.2345.5026.0451.32TP31.479.093.4310.060.650.426787.7632007/(104m3d-1)/dHRT/h/%/(kgh-1)MLSS/(mgL-1)BOD5/MLSS/(kgkg-1d-1)101815.4100712.445000.06947.81619206590545.750000.078,65%,200844,,,20084,,,,,4DOMLSS,PLC,,(1)(37)©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[][1][Z]1:,20071(15)4200818,/(m3d-1)COD/(mgL-1)BOD5/(mgL-1)SS/(mgL-1)NH+4-N/(mgL-1)TN/(mgL-1)TP/(mgL-1)17097043528297113181026.9611.0151.7827.023.750.22278570484172126498722.000.1952.8123.253.960.113745203981917374191018.470.8650.1423.913.080.03474670274212396239922.183.6657.3220.313.960.135806404153322313437823.595.3971.8526.096.320.0868167049541294255271733.7724.8189.4543.887.370.537835505383237014542930.2921.0575.4240.1411.500.198812904123124284021326.3318.3260.5741.025.040.14,CODBOD5SSNH+4-NTP,88.38%91.30%95.47%71.51%87.76%,(2)DO,MLSS(40005800mg/L),DO0.30.7mg/L,DO2.03.2mg/L,,DO,,(3)MLSS(46005400mg/L),1619d,(4),,BOD5/TN,,,[][1],.[J].,2008,24(10):91-94.[2].[J].,2007,23(12):54-57.[3].Carrousel[J].,2003,19(12):101-102.