StudyonthetreatmentofmixedwastewaterintheareaofChemicalIndustrialParkbyhighlyconcentratedactivesludgeprocessWangYingzhe1,TaoBo1,YuShuili2(1.AnhuiGuozhenEnvironmentalProtectionSci.&Tech.Co.,Ltd.,Hefei230088,China;2.SchoolofCivilandEnviromentalEngineering,HarbinInstituteofTechnology,Harbin150090,China)1,1,2(1.,230088;2.,150090)[]。CODCrCODCrCODCr。,0.30~0.40kg/(kg·d)CODCr,CODCr90%;CODCrCODCr,。[];;CODCr[]TU991.21[]A[]1005-829X(2009)09-0072-03Abstract:TheexperimentsofthetreatmentofmixedwastewaterintheareaofChemicalIndustrialParkbyhighlyconcentratedactivesludgeprocessareintroduced.TheCODCr’sremovalrateofmixedwastewater,whichhasdifferentCODCrloadingofsludgeanddifferentCODCrconcentrationofinfluentwater,beingtreatedbyhighlyconcentratedactivatedsludgeprocessanditssludgecharactristicsaredisussed.WhentheCODCrloadingrangeofsludgeis0.30-0.40kg/(kg·d),theremovalrateofCODCrcouldbeover90%.InacertainCODCrrangeofinfluentwater,theCODCrofinfluentwaterwithlowerinfluentconcentrationdoesnothelpmuchinreducingeffluentwaterconcentration.Onthecontrary,itcanreducetheremovalrateofthesystem.Keywords:mixedwasewateroftheareaoftheChemicalIndustrialPark;highlyconcentratedactivatedsludgeprocess;CODCrloadingofsludge29920099IndustrialWaterTreatmentVol.29No.9Sep.,2009,。,、、,,,,。、、,,。,,〔1〕。21,、、。,:、、、、、,、、、。,,、。、、,。72——2009-09,29(9)(“”),6g/L,,F/M,〔2〕。,5~10g/L,,、、,,,、。、,,,〔3〕。。CODCrCODCrCODCr,。11.11,PVC,360L;1(),,28L;1(,、、),。12L,9L。3。,。1。1.21.2.1,。CODCr≤1000mg/L,24hCODCr。1.2.2,(CODCr1000~2500mg/L,BOD5/CODCr0.28~0.35,pH6~9),CODCr,,m(CODCr)∶m(N)∶m(P)=200∶5∶1,,。HRT=16h,CODCr。CODCr7~8d,。1.2.3COD;pHsension156;MLSS;SV30100mL;SVI。22.1,,CODCr〔0.30kg/(kg·d),MLSS〕〔4〕。1。1:CODCr0.30kg/(kg·d),CODCr90.7%。MLSS,,,,SVI。2.20.30kg/(kg·d),/dMLSS/(g·L-1)SV30/%SVI/(mL·g-1)CODCr/(kg·kg-1·d-1)1254021291.714.38861.50.272195221189.212.38871.50.323230318791.910.07878.00.354208819190.914.28962.70.225200419190.510.89083.30.286186020589.0—89——7236021091.110.0——0.35215820190.711.98771.30.30CODCr/(mg·L-1)CODCr/%1,:73——2009-09,29(9)CODCr,,,CODCr,MLSS0.40kg/(kg·d)。2。2:CODCr0.40kg/(kg·d),CODCr90.6%,,,SVI,。MLSS,,MLSS。2.3,CODCr,,CODCr。3。3:CODCr0.23kg/(kg·d),CODCr,CODCr,CODCr。CODCrCODCr,,(BOD510mg/L),CODCr,-,CODCrCODCr。3(1),CODCr1000~2500mg/L,CODCr。(2),CODCr0.30~0.40kg/(kg·d),,CODCr90%。(3),CODCrCODCr,。(4),MLSS6~9g/L。,,。,,,MLSS。[][1].[J].,2002(8):28-29.[2],.[M].2.:,1999:128-129.[3],.[M].:,1990:117-180.[4],,,.[J].,2007,27(1):37-39.3/dMLSS/(g·L-1)SV30/%SVI/(mL·g-1)CODCr/(kg·kg-1·d-1)1104316883.97.7921190.202145819286.810.39087.40.213163917989.19.28794.60.274136215188.97.8861100.265105817583.58.5851000.196143514090.28.88495.50.247136720185.39.4——0.22133717287.18.8871010.23CODCr/(mg·L-1)CODCr/%[](1971—),1999,,。E-mail:tbhi@126.com。[]2009-05-04()2/dMLSS/(g·L-1)SV30/%SVI/(mL·g-1)CODCr/(kg·kg-1·d-1)1236021490.96.6861300.542188319589.67.3——0.393185116990.99.59296.80.294184319289.67.2——0.385215319990.86.6——0.496213220590.47.4——0.437182317390.58.1——0.348179014092.27.3941290.37197918690.67.5911190.40CODCr/(mg·L-1)CODCr/%74——