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MBBR6000m3/d,8000m3/d,:--+C-TECH。COD,BOD5,,S2-,NH3-N,,200L/h,,。11.11。,2。1.2NH3-N,200L/h,+SBR++MBBR,1。200L/h,24h。,3。1.3[1]①COD:;②TKN:;③S2-:;④NH3-N:;⑤pH:PHSJ-4ApH;⑥DO:YSIDO200。MBBR,,(,310052):NH3-N,80%SS、90%S2-、80%60%CODCr,A+O+MBBR,CODCr90%,NH3-N98%,。:;NH3-N;MBBR:X7:B:1674-4829(2010)04-0036-02:2010-05-07:(1983-),,,,.Pilot-scaleTestofTreatmentofLeatherWastewaterbyMBBRProcessSHAOLiang-cheng;WUYu-hua;WANGJieAbstract:AccordingtothecharacteristicsofthehighconcentrationofNH3-Ninleatherwastewater,pre-treatmentisadoptedtoachieveremovalefficiency80%ofSS,90%ofS2-,80%ofCrand60%ofCODCr,thencombinedprocessofA/OandMBBRisapplied.AboveprocesscouldreducethequantityofNH3-Nobviouslytoreachthedischargestandardofleatherwastewater.90%ofCODCrand98%ofNH3-Ncouldberemovedbythisprocess.Keywords:Leatherwastewater;NH3-N;MBBRprocess23420108EnvironmentalScienceandTechnologyVol.23No.4Aug.2010ρ(CODCr)3000ρ(BOD5)1500ρ(SS)2500ρ(TKN)400ρ(NH3-N)320ρ()5ρ(S2-)100pH7.5~103123456MBBR0.5m×0.4m×2.2m1.2m×0.8m×2.2m1.0m×0.8m×2.2m2.5m×0.6m×2.2m1.5m×1.2m×2.2m0.5m×0.4m×2.2mHRT/h29.17.21216.21.71B-Cell11mg·L-12ρ(CODCr)1000ρ(BOD5)400ρ(SS)200ρ(NH3-N)300ρ(S2-)2pH7.5~9.0mg·L-123422.120094。,SBR。SV3030%,MBBR36%。1d,(50L/h)。4d,1m3,30%。。CODCr,NH3-N,pH,DO,MLSS。,。,NH3-N。CODCr。NH3-N,DO59。MBBRpH7.5~8.0,[2-5]。2.2,,FeSO4,PAC,PAM。SS:80%,S2-:90%,:80%CODCr:60%。2.3CODCr,CODCr1000mg/L,CODCr300mg/L,90%,GB8978—1996《》。2。CODCr,:A0.25mg/L,O1~1.5mg/L,MBBR1.5~2mg/L。pH:A8~8.5,O17.7~8.0,O27.5~7.8,MBBR7.5~8.0。MLSS6000mg/L。2.4NH3-N,NH3-N300mg/L。3NH3-N。MBBR1.5~2mg/L,pH7.5~8.0,,900mg/L,,pH7.0。20~27℃。3(1),S2-,Cr3+,SS,CODCr,,。(2)CODCr90%,200L/h,CODCr1000mg/L,CODCr200mg/L,。(3)MBBRNH3-N,98%,NH3-N10mg/L,。(4)、CODCr,MBBR,。MBBRNH3-N。[][1]《》.[M].4.:,2002.[2].[M].:,2006.[3],,.[M].:,2004:47-73.[4],,.[M].4.:,2002.[5],.()[M].2.:,1999:254-257.()2CODCr3NH3-NMBBR37
本文标题:MBBR工艺处理制革废水中试研究邵良成
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