复合式UCTMBR工艺脱氮效果研究吕春华

1、。UCT-MBR。。UCT-MBR、、。MBRUCT。。2UCT-MBR。MBR2。2。UCT1-21。BOD。33.1UCT-MBR。120L、331∶1∶4。、331m20.2μm0.24m3/d。5cm5cm1。33％。2。UCT-MBR110031UCT-MBR。、、、。UCT-MBRAbstractUCT-MBRcompositeprocesswasusedforsimulateddomesticsewagetreatment,theinfluencefactorsonnitrogenremovalwerestudied,includingtherefluxratioofnitrificationliquid,organicloadofinfluent,sludgeretentiontimeanddissolvedoxygen.KeywordsUCT-MBRprocess;domesticsewage;nitrogenremoval;influencefactorsX703A1674－1021201005-0063-052010－02－052010-04-29。1982。1UCT633.2。、、。、。。3。。。3.3BOD∶N∶P=100∶5∶1。、、、、、、。。NH3-N22.5~60.4mg/L。3.4、。TN。TN。3.5TN。44.1RTNUCTMBR、、NOx--N4。UCT。。C/N=5~8R100%200%300%400%3~6。3100%TNTN39.67%29.75%42.76%CODcrC/N。100%TN。21.2.3.4.5.6.7.8.9.10.11.7060504030201005152535455565758596050403020/dTN/mg·L-1/%▲3C/N=5～8R=100%TN4C/N=5～8R=200%TN▲7060504030201006162636465666768697090807060/dTN/mg·L-1/%644200%TN200%TN68.25%75.88%。R=100%30%TN。56300%400%TN。300%TN78.56%84.23%73.57%。400%TN81.50%88.13%73.91%。TN。TN。η=R1+R×100%η%R。TN。。200%300%TN。100%TN400%TN。4.2TN2NO2--NNO3--NN2。C/NCODcr5。300%8~12h3500~6000mg/LC/N=2~4C/N=5~8C/N=10~153TN578。7060504030201007172737475767778798090807060/dTN/mg·L-1/%▲5C/N=5~8R=300%TN6C/N=5~8R=400%TN7060504030201008182838485868788899090807060/dTN/mg·L-1/%▲6050403020100515253545556575859607060504030/dTN/mg·L-1/%▲7C/N=2~4R=300%TN657C/N=2~4300%HRT12hTN。C/NTN53.30%578.56%25%。C/N300%NO3-。8C/N10~15TNTN。93d79.79%。300%353.30%78.56%79.79%。TN。C/N10~152~4TN79.79%53.30%。CODcrNO3--N6。C/N8TNC/N=10~15TN1%~5%。4.3SRTTN。。//。9SRTTN。SRT=30dUCT-MBRTN11.34mg/L78.46%。SRT10dUCTTNTN16.52mg/L68.80%。UCT-MBRSRTTN。SRTUCTMLSS。UCTSRTMLSSTP。4.4DODO。、70605040302010091929394959697989910010190807060/dTN/mg·L-1/%8C/N=10~15R=300%TN▲9C/N=5~8R=300%R=200%SRT=30d10dTN/dTN/mg·L-1/%▲7060504030201001009080706050717273747576777879808110210310410510610710810911011111266DO7DOCODcrNH3-N。DODO。DO8。UCT-MBRDO4~6mg/L21DO0.1mg/L。51RUCT-MBR。2TN。3UCTSRT。4UCT-MBR、、DO。1.J.,2003,163:58-59.2.A2/OJ.,2000,167:73-75.3,.J.,1999,22:53-56.4,.UCTJ.,2007,3313:30-32.5H.Nagaoka.NitrogenremovalbysubmergedmembraneseparationactivatedsludgeprocessJ.Wat.Sci.Tech.1999,398:107-114.6,,,.—J.,1998,192:35-38.7Xiao-junFan,etal.NitrificationandmassbalancewithamembranewithamembranebioreactorformunicipalwastewatertreatmentJ.Wat.Sci.Tech.,1996,341-2:129-136.8.J.,2003,272:40-55.6719。404。19。185110140。。20。2019“”。1900“”19。19。1933100。1935“”。1939“”。20。1958、“”。21。20001900。20。2005“”“”。5“”2010。