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Applicationofoilseparation-coagulation-airfloating-CASTcombinedprocesstothetreatmentofflavors&fragrancesintegratedwastewaterWuJinwu(ShanghaiGoldenSources-Water-EPE-EngineeringCo.,Ltd.,Shanghai200003,China)———CAST(,200003)[]———CAST、。,、,COD6150mg/L、BOD53188mg/L,COD300mg/L、BOD5100mg/L,。[];;;[]X703.1[]B[]1005-829X(2009)05-0085-02Abstract:Theoilseparation-coagulation-airfloating-CASTcombinedprocesshasbeenusedfortreatingtheflavors&fragrancesintegratedwastewater.Thefull-scaleexperimentshowsthatthisprocesshasagoodeffectonthetreatmentofhighlyconcentratedorganicpollutantsandgoodbiodegradabilityintegratedwastewater.WhentheinfluentCODandBOD5concentrationare6150mg/Land3188mg/Lrespectively,theeffluentreachesthethirdleveloftheintegratedwastewaterdischargestandard.TheCODandBOD5concentrationare300mg/L,and100mg/Lrespectively.Keywords:oilseparation;coagulation;airfloating;cyclicactivatedsludgetechnology1、,、、、。,、、、、。500m3/d,1。2、,,,“———CAST”。1。1,,,。。,50~200μm,。,。,NaOH、PAC、PAM,。,,1pHCODBOD5SS2.5~5.5630028605501506~9≤500≤300≤20≤400:pH,mg/L,。29520095IndustrialWaterTreatmentVol.29No.5May,2009—CAST185——2009-05,29(5)。、,。,,,。CAST(cyclicactivatedsludgetechnology),--,。,,。,。,,。CAST。—、CAST,。。3(1)。15m×4m×2m,HRT2h,。(2)。20m×7m×4m,HRT24h,2;2,25m3/h。(3)—。3,1.6m×1.6m×2.5m,,10min。,20~30m3/h,8~10m3/h,3~5m3/(m2·h),HRT20~30min。(4)。5m×5m×4m,HRT4h,2,45m3/h。(5)CAST。2,30m×15m×5.5m。()4000mg/L,BOD50.1kg/(kg·d),12h,/10h。,3,21,25m3/min。(6)。5m×5m×4m,2,15m3/h。(7)。20~40m3/h、80~150kg/(m·h),1m,、9m2。44.1,。,。,、。4.2—,PAC100~150mg/L、PAM,COD10%~25%。,,,,。:pH7.5~8.0、PAC120mg/L、PAM12mg/L,COD14%,,。4.3200~250m3/d,CAST。,100tCAST,C、N、P,BOD5500mg/L,。1~2d,、、、;3d,;5d,、;、,。,,CAST,25m3/d,,3~4d,。,/10h,1h,1h,DO2.0~4.0mg/L,SV3018%55%,。55,、,,14,,。2。2,,,,(92)2pHCODBOD5SS4.95615031884622655.025535296081.371.67.414871281612.652.87.56295916.768.4:2d;pHmg/L。86——2009-05,29(5),。6350,2370m2,159kW,112kW。2.45/m3,0.61/m3,1.38/m3,0.46/m3。,COD1069t/a,BOD5565t/a,。7(1)——,CAST。(2)—,、、,COD(30%),,。(3)CASTCOD、BOD594%、96%,、、,。(4)CAST,,,。。[][1].()[M].4.:,1999:527-529.[2].[M].:,2002:225-228.[3],.(CASS)[J].,1999,25(11):10-13.[4].——CAST[J].,2003,29(9):31-32.[5],.CASS[J].,2007,23(4):48-50.[](1982—),2004,。:15996413051,15821144825,E-mail:wjw2000xw@126.com。[]2009-01-26()(86)4(1)。3,8500,m30.023。(2)。42kW,25kW,0.6/(kW·h),0.12。(3)。()、PAC、,:2.0/kg,0.02kg,2.0×0.02=0.04/m3;PAC2.0/kg,0.055kg,2×0.055=0.11/m3;PAM20/kg,0.002kg,20×0.002=0.04/m3;m3,0.19。,0.33/m3。5(1)—,,,。,,《》(GB8978—1996)。(2)、,COD60%~70%,80%~95%,LAS80%~90%,,。(3),,。[][1].[J].,2004,13(1):47-49.[2],,.[J].,2003,23(10):12-16.[3],.[J].,2005,24(2):18-20.[](1983—),,,:。:13574110154,E-mail:zhujian198312@126.com。:,,,E-mail:csfuwp@163.com。[]2009-01-15()!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!92——
本文标题:隔油混凝气浮CAST工艺在香精香料综合废水处理中的应用吴金武
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