城市污水除磷中的有关问题黄晟

:2000-11-15:(1966-),,,1989,,。黄　晟1,吴慧英2,陈建红3(1.,410007;2.,410082;3.,410013)　　　:、NOX、、,,。　　:;;　　:X703.1　　　:A　　　:1001-2141(2001)05-0039-04DiscussiononPhosphorusRemovalofMunicipalWastewaterHuangSheng,WuHuiying,ChengJianhong(1.TheIndustrialAssociationofEnvironmentalProtectioninHunanProvince,Changsha410007;2.CollegeofCivilEngineering,HunanUniversity,Changsha410082)Abstract:Theinfluencefactorsofbiologicalphosphorusremovalinmunicpalwasterwatersuchastheconcentrationofdissolvedoxygen,degradableorganicmaterialandNOX,sludgeretentiontime(SRT),wayofsludgedisposaletcwereanalysedfirst,thentheengineeringmeasuresforimprovingthephosphorusremovalefficiencyofwasterwaterwerepresented,finally,anintroductiontophosphorusremovalfeaturesofmunicipalwasterwater,asexamples,wasgiven.Keywords:Phosphorusremoval,Municipalwasterwater,Engineeringmeasures.1　　　,BODSS。,、,,。GB8978-19960.5mg/l1.0mg/l。,。。,,。,。。:,,PHB,,“”;,PHB,“”,,。——A/O,,A/O,A2/O、、Bardenpho、VIP、MSBR、UNITANK。。2　　　,,、、、NOX、、。。,,,,,,23　5　　　　　　　　　200110;,。DO,,,。,DO1.5～2.0mg/l。(VFA、)。,,,,,,VFA,。[1],1mg7.5mgVFA。,。,,,VFA,,。NOX,:NOX;NOX,VFA,,。NO3-2mg/l,。,,,。,,,,。,。。,,、,(1～2d),,,,。,20%。,,。3　　　,,,。3.1　、DO,DO。DO1.5～2.0mg/l,DO0.2mg/l。,。(1)。、(),,。(2)。(3),DO1.5～2.0mg/l,,。(),DO1.5mg/l。,,。3.2　,,,BOD,;,。,,,,。A2/O。3.3　,,,,。,。(30mg/l),50%。,,,8～12d,,。3.4　,。:(1)、40　　　　　　　　23,,,、(、),。,1.5mg/l。(2),,。99.5%75%～80%,。、。(3),。(4),,,。3.5　,。4　4.1　15t/d(3t/d),BOD5=100mg/l,CODcr=230mg/l,SS=200mg/l,NH3-N=25mg/l,TP=3mg/l,。,GB8978-96,,0.5mg/l,。,,1。:(1)Carrousel,1h,5.54h,7.7d,Y=1.2kgMLSS/kgBOD5,,,。(2),54m2、2。,16.53mg/l,,,,,。。(3),,。(4),(2h),,。1　4.2　(Carrousel/Bardenpho),2,:MLSS=4g/l;FW=0.05kgBOD5/kgMLSS·d;Y=0.65kgMLSS/kgBOD5;C=8g/l;R=1[2]。1991,。1、2。122　Carrousel/Bardenpho415　:1　(mg/l)BOD5CODcrSSTPTN199292.8410.05189.225.6090.989.913.540.6023.8015.53199394.7810.76223.529.42173.38.724.200.3131.0214.06199474.122.14170.526.8883.908.353.110.3624.4014.45199564.0111.09138.822.7655.136.682.660.4223.0110.68199667.789.70152.622.3256.686.102.800.5422.3911.49199763.510.70180.524.0687.178.693.040.2523.8816.64199858.339.12170.820.11129.06.923.080.2622.5413.01199950.516.33149.117.85102.08.533.070.4224.2711.142　TP、199419951996199719981999(mg/l)0.72/0.160.67/0.160.87/0.240.36/0.170.52/0.150.97/0.26(%)79.4/96.668/9457/9081/9578/9677/95(%)88.48391919186　　1、2,,,、TP,0.41mg/l,90%。TN,。,:(1)———,。(2):1h,116.7h,2(DO0.2～0.1mg/l)2.6h,1h,1,(DO1.0～0.5mg/l)4h,10h。,,、。,,。(3),,,,,A/O,,。(4),NH4-N,,。5　1　.(CHC).,1999,15(3):2～21.2　..,1997,13(3):17～18.42　　　　　　　　23