AOMBR复合生物脱氮工艺在合成氨废水处理中的应用李士安

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ApplicationofA/O-MBRcompoundbiologicaldenitrificationprocesstothewastewatertreatmentofsyntheticammoniaLiShi’an,LüFeng,WangZhiqiang(ShandongGuoxinWaterTreatmentCo.,Ltd.,Dezhou253034,China)A/O-MBR,,(,253034)[]A/O-MBR,BOD5、CODCr、NH3-N550、1050、120mg/L,BOD5、CODCr、NH3-N5.6、42.4、7.5mg/L,《》。[];;;[]X703.1[]B[]1005-829X(2009)05-0079-03Abstract:A/O-MBRcompoundbiologicaldenitrificationprocesshasbeenusedfortreatingthewastewaterofsyntheticammonia.WhenthemassconcentrationofBOD5,CODCr,NH3-Nininfluentwaterare550,1050,120mg/Lrespectively,andthemassconcentrationofBOD5,CODCr,NH3-Nineffluentwaterare5.6,42.4,7.5mg/Lrespectively,thestandardpromulgatedintheCodeofWastewaterRecycleTechnologicalDesign(GB/T50335—2002),formake-upwaterqualityincirculatingcoolingwatersystem,canbereached.Keywords:syntheticammonia;wastewater;biologicaldenitrification;circulatingcoolingwater,。,,、、、,。1t,80%,20%。、、()。2/3。,,。:,CODBOD,、、、。A/O,。,,(MBR),。11.1A18t/a、30t/a,1t/a。。2400m3/d。360~480m3/d,。1.21。、,、,。1.3,《》(GB/T50335—2002)4.2.2,2。29520095IndustrialWaterTreatmentVol.29No.5May,200979——2009-05,29(5)22.1A/O+MBR,1。2.2(1):。HRT=30min。(2):,,。HRT=8h。(3):,。HRT=48h。(4):。(5)MBR:MBR。MBRAO,/BOD、COD,。A,O。HRT=20h(A6h),MLSS=8000mg/L,BODNS=0.083kg/(kg·d),NH3-NNN=0.026kg/(kg·d),NO3--NNDN=0.06kg/(kg·d),R=400%,SRT=45d。(6):。HRT=40min。(7):MBR。HRT=24h。。97%,MBR99%,。(8):。80%,。2.3、,、、。PLC、、,。PLC。/。、,。PLC,、、。,,。2.4(1)MBR,。(2)MBR,MBR,,,。(3),,。33.13。1pH8~9SS300BOD5550CODCr1050120400.50.640.01:pHmg/L。2pH8~95BOD510CODCr60101000:pH、(NTU)mg/L。3/15m×5m×5.2m1240m×24m×5.5m1320m×10m×4.5m14MBR20m×12.5m×4.5m258m×2m×4.5m1612m×2m×4.5m17712m2,1MBRPAC/PAM180——2009-05,29(5),:A/O-MBR4[](1974—),1995,,,、。:15905348628,E-mail:lishian@yeah.net。[]2009-01-07(),20096121.96,,。···············································3.24。3.35。46。520065,。,30%,50d,。,CODCr95%,BOD598%,95%,。20068()7。6(1)MBRA/O,。(2),,1900m3,,。(3)A/O-MBR,。(4),,,,。/1B=400,b=10mm12Q=220m3/h,H=11m,N=11kW2113B=500,b=2mm14Q=120m3/h,H=10m,N=5.5kW2115Q=15m3/h,H=12m,N=1.1kW2116Q=50m3/h27QJB3/828D215,1~3m3/(h·)12009MBR60m3/(d·)4010Q=250m3/h,H=3m,N=3kW42211Q=40m3/h,H=22m,N=5.5kW64212Qs=10.04m3/min,ΔP=49kPa,N=11kW113Qs=33.15m3/min,ΔP=58.8kPa,N=45kW53214Q=122m3/h,H=40m,N=30kW21115Q=5.5m3/h,H=40m,N=30kW2111650~150kg/h117PAC118PAM119120121MBR122MBR1//JHN,:0.1~2000mg/L2CODJHC-III,:10~6000mg/L1pHPC3502Jenco-6308DT2DN1502561/(m3·d-1)24002/9783/(·m-3)1.454/(kW·h·m-3)1.85/m224006/117/kW4138/kW252720068pH7.2/NTU2BOD5/(mg·L-1)5.6CODCr/(mg·L-1)42.4/(mg·L-1)7.5/(mg·L-1)88381——

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