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第32卷 第1期河南师范大学学报(自然科学版)Vol.32 No.1 2004年3月JournalofHenanNormalUniversity(NaturalScience)Mar.2004 :1000-2367(2004)01-0056-04A2/Oh苗纪伟1,何群彪1,周增炎1,曹洪涛2(1.,200092;2.,213000) :A2/O,,A2/O.:MLSS3.5～4.5g/L;SVI80～140mL/g;0.08～0.15kgBOD5/(kgMLSSd);0.20～0.35kgCOD/(kgMLSSd),11～20d,CODCr、BOD5、SS、NH3-NTP97.6%、94.4%、95.9%、98.0%93.3%,GB18918-2002.,.:A2/O;;;:X703 :A、,30,,A2/O,A2/O,.A2/O,:,,,;,,,;,,,.1 2000,,15000m3/d,A2/O.A2/O,4.5%[1].,,,100%,A2/O.1.1 ,、,、,1.A2/O:①,.A2/O100%～400%,10%～50%[2],200%,100%.A2/O,,100%.②.,(VFAs),,.,.,h:2003-11-24:(2001080203):(1976～),,,,.DOI:10.16366/j.cnki.1000-2367.2004.01.012[3],,.,70%1,2,.1.2 1997119998,,,CODCr=600mg/L,BOD5=225mg/L,SS=300mg/L,NH3-N=35mg/L,TP=3mg/L..8,1,2,、125.:8272m3,13.2h,0.14kgBOD5/(kgMLSSd),0.64kgMLSS/kgBOD5,3.5g/L,15d.2 2.1 2001,,.,,BOD5、CODCrSS90%,.200319,1.1 20031～9BOD5(%)CODCr(%)SS(%)NH3-N(%)TP(%)12487.5697.073744.194.03081495.438.10.8697.75.010.3892.321915.8696.953440.292.53211794.737.21.0897.16.240.7288.532506.1797.570941.794.13601296.831.80.8897.26.270.4193.542534.2398.380537.195.44641097.834.20.3998.98.000.2896.552723.0098.975033.195.62681195.844.20.4798.98.800.1898.062653.4598.779930.296.23111096.839.70.3199.27.200.5592.471447.0995.130227.291.01401092.912.00.8992.62.130.8858.781875.2497.242831.892.61501093.330.90.8397.34.800.1297.692345.5897.660434.194.42701195.925.10.1499.45.810.1098.22275.3597.663035.594.42881295.932.60.6598.06.030.4093.357第1期 苗纪伟等:倒置A2/O工艺在城市污水处理中的生产性应用9,:300～450m3/d,MLSS3.5～4.5g/L,0.08～0.15kgBOD5/(kgMLSSd),0.20～0.35kg-CODCr/(kgMLSSd),SV%40～55,SVI80～140mL/g,:11～20d.,2.0～3.0mg/L.1,,,1～993%.2、312～15℃,7、829～35℃,.,,.2.2 ,.,,1～8,9.2 32,,3.4,,,1.0mg/L.3TP,TP5.79mg/L,1TP2.19mg/L,,.2,,1,3,.4,,,1.2h.,1h[4].3,.,.3 3.1 ,.,,,,.,60%～70%SS30%COD,,.3.2 ,1.0mg/L,0.5mg/L,《(GB18918-2002)》A,,,.3.3 ,A2/O:MLSS58河南师范大学学报(自然科学版) 2004年3.5～4.5g/L,SV%40～55,0.08～0.15kgBOD5/(kgMLSSd),0.20～0.35kgCODCr/(kgMLSSd),SVI80～140mL/g,:11～20d.,CODCr,BOD5,SS,NH3-N,TP97.6%,94.4%,95.9%,98.0%93.3%.3.4 A2/O,.,. [1] .A2/O[J].,2001,(2):50～54.[2] ,.[M].:,1998.127.[3] ,,.[J].,2001,23(5):39～42.[4] ,, .A2/O[J].,2000,26(4):14～17.Full-scaleapplicationofreversedA2/OprocessinQingtanmunicipalsewagetreatmentplantMIAOJi-wei1,HEQun-biao1,ZHOUZeng-yan1,CAOHong-tao2(1.CollegeofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China;2.ChangzhouSewerageManagement,Changzhou213000,China)Abstract:ThephaseⅣprojectofQintanMunicipalSewagePlantinChangzhoucityhasbeendesignedastheconventionalA2/Oprocess,andoperatedasthereversedA2/Oprocesswhichcancelstherefluxofmixedliquidandincreasestherefluxratioofsludge.ItwasdemonstratedbytheoperationforovertwoyearsthattheremovalefficienciesofCODCr,BOD5,SS,NH3-NandTParerespectively94.8%,97.9%,94.8%,97.8%and91.7%undertheconditionofMLSS;3.5～4.5g/L,SVI:80～140mL/g,sludgeloading:0.08～0.15kgBOD5/(kgMLSSd),organicloading:0.20～0.35kgCOD/(kgMLSSd),sludgeage:11～20d.EffluentreachesthefirstclassdischargestandardinGB18918-2002.ThereversedA2/Oprocesscandramaticallyremoveammonianitrogenandtotalphosphorus,andsomeproblemsdeservedtobediscussedforwardly.Keywords:reversedA2/Oprocess;municipalsewagetreatmentplant;nitrogenandphosphorusremoval;full-scaleappli-cation59第1期 苗纪伟等:倒置A2/O工艺在城市污水处理中的生产性应用