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22420098POLLUTIONCONTROLTECHNOLOGYVol.22,No.4Aug.,2009·工程实例·(苏州登创环境工程技术有限公司,江苏苏州 215400) :,,,。,,;,A/O,,《DB32/T1072—2007》。:;;;A/O:X781.1 :AACaseofElectroplatingWastewaterTreatmentProjectYINChun-sheng(SuzhouDengchuangEnvironmentalEngineeringCo.,Ltd.Suzhou,Jiangsu215400,China)Abstract:Wastewaterwithcyanidewasoxygenizedbysodiumhypochlorite.WastewaterwithChromiumwasdeacidizedbysodi-ummetabisulphite,addedalkalitodeposit,buttheheavymetalionsinvieldingwateroftenoverrun.ThispaperintroducedanothermethodtodealwiththewastewatercontainedwithCrandcyanide,thedischargedwatercouldreachthestandardof“DB32/T1167—2007”.Keywords:electroplatingwastewater;oxygenizement;deacidizing;coagulationdeposit:2009-04-03:(1974—),,,,,、、、、。1 ,,“---”,、、,1,1。1 /(m3·d-1) 12012h/d23031004505200、、,。《》(DB32/T1072—2007),,;,,1 COD、N、P。2 2.1 处理原理,、、,。,,,,20098.·121 ·。,,,,,。,A,,,,,,。2.2 处理流程,2。2 2.3 主要设计参数2.3.1 ,,1.7m×1.7m×4.5m,1,12m3,。,。2,,。2.3.2 ,,2m×2.5m,1,7.2m3。1、pHORP1(、、、)。,pH10.5~11.5,ORP300~350mV,HRT30min。2.3.3 ,,2m×2.5m,1,7.2m3。1,pHORP1(、、、)。,pH7.0~8.5,ORP500~650mV,HRT30min。。2.3.4 ,,2.7m×1.7m×4.5m,1,18m3,,。2,,。2.3.5 ,,2m×2.5m,1,7.2m3。1、pHORP1(、、、)。,pH2.0~3.0,ORP300~350mV,HRT30min。。2.3.6 ,,8.7m×6.7m×4.5m,1,233m3,,。2,,。2.3.7 ,,0.8m×0.8m×1.5m,1,0.8m3,。,。1、pH1(、、、)。pH10.0~10.6。、,PAC,。2.3.8 ,,0.8m×0.8m×1.5m,1,0.8m3。1。2.3.9 ,,3.4m×3.4m×4.5m,1,1.08m3/(m3·h)。,,。·122 ·.2242.3.10 ,,1.5m×2.5m,1,3.5m3。pH1(、、、),pH8.0~9.0,。2.3.11 ,,6.0m×7.3m×2.7m,1,87.6m3,8h。2,,。2.3.12 A ,,3.0m×4.0m×4.5m,1,6h。A,。DO0.2mg/L。、,,、。2.3.13 O ,,11.9m×4.1m×4.5m,1,24.6h。O,,COD;、。ODO2.0~3.0mg/L,4~5d,MLSS3500~4500mg/L,pH7.5~8.6。2:5.11m3/min,7.5kW,。2,ADO。2.3.14 ,,3.0m×3.0m×5.0m,1,,0.93m3/(m3·h)。2.3.15 ,,3.0m×3.0m×5.0m,1,,0.93m3/(m3·h)。PAC、PAM,,,N、P。3 3.1 物化系统的调试与运行,。,pH、ORP;、PAM、、。,pH、ORP“”,,。,PAM。,1h,pH、Cu、Ni、CN、Cr,,pH、ORP,。pH、ORP,1~2d,。,、。3.2 生化系统的调试与运行,AO。,ATSS5kg/m3,OTSS2kg/m3。O,,,,,(,,)。O,,OMLSS3000mg/L,,。,10m3/d,5d,。,5%,,5~7d,。,,,,。,,,。,。,,,,,。3.3 混凝沉淀池的调试与运行,,PAC、PAM。,,PAC,,。3.4 运行结果5,,,20088。2。20098.·123 ·2 mg/L CuNiTPNH3-NCOD0.179~3.4310.203~0.9680.93~5.537.88~26.41110~2450.055~1.3310.227~0.6860.19~3.931.33~5.0670~950.015~0.1710.167~0.2490.08~0.290.60~3.2024~504 ,,。,。:(1),;(2),;(3),。(上接第103页),,、、、[16-21]。[][1] .[D].:,2007.[2] .[J].,1991(5):63-65.[3] , ,.[J].,2002,16(4):240-241.[4] .[J].,2009(2):115-118.[5] , , ,.[J].,2004.16(6):8-11.[6] , ,.[J].(),2007,41(3):395-397.[7] ProsenH,KraljLZ.Solid-phaseMicroextraction[J].TrendsAnalChem,1999,18(4):272-282.[8] ,,,.[J].,2004,32(12):1667-1672.[9] ,,.[J].,1999,7(5):52-56.[10] NilssonT,BwadtS.DevelopmentofaSimpleSelectiveSFEMethodfortheDeterminationofDesorptionBehaviourofPCBsinTwoSwedishSediments[J].Chemosphere,2002,46(3):469.[11] PacePT,SensemanSA,KetchersidML,etal.SupercriticalFluidExtractionofandSolid-phaseExtractionofAC263,222andImazethapyrfromThreeTexasSoils[J].ArchEnvironContamToxico,1999,37(4):440-444.[12] OngChyePeng,LeeHianKee,LiSanFongYau.SupercriticalFluidChromatographicSeparationof11PriorityPhenolsUsingChlorodifluoromethaneasModfier[J].JournalofChromato-graphicScience,1992,30(8):319-232.[13] ,.[J].,2005,24(5):116-121.[14] ,,,.[J].,2005,19(l):1-4.[15] CaroE,MarceRM,CormaekPeterAG,etal.MolecularlyImprintedSolid-phaseExtractionofNaphthaleneSulfonatesfromWater[J].JChromatogrA,2004,1047(2):175-180.[16] ,.[J].,2006,25(2):110-122.[17] .[D].:(),2007.[18] ,,.《》[J].(),2002,23(3):82-83.[19] ,,,.[J].,2006,25(3):32-36.[20] ,,,.A[J].,2006,25(7):14-17.[21] ,,,.-[J].,2005,24(1):18-21.·动态与简讯·“”,。,。,,。。,。,“”2000。,,。
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