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234()Vol.23,No.4200012J.ofWuhanUni.ofSci.&Tech.(NaturalScienceEdition)Dec.2000 :2000-08-24 :(1964-),,,. :1001-4985(2000)04-0373-041,2,2(1.,,430081;2.,,100084):以球形陶粒为曝气生物滤池的生物载体,进行城市污水处理的半工业试验,考察了滤速、气水比、冲击负荷、反冲洗等因素对曝气生物滤池工作性能的影响。结果表明:在装置规模为12m3/d,水温为(20～23.5)℃,滤速为(6.09～8.21)m/h,碳化柱和硝化柱气水比分别为1∶1和2∶1,进水COD为(120～338)mg/L,NH+4-N为(30.0～53.6)mg/L的条件下,出水达到生活杂用水的标准;冲击负荷和反冲洗对滤池出水水质没有显著的影响。:曝气生物滤池;陶粒滤料;污水处理;城市污水;生物处理:X703.1 :A ,,80%[1]。、、,。,(SS);,SS,SS,,,。,:①;②,,BOD5;③,,,;④;⑤,[2]。,。90,100[1]。,。,,。1 1.1 ,。,,。,,。1.2 1。,,,300mm,6000mm;,,1000mm。,,2.5h,,,。1 1—;2—;3—;4—;5—;6—;7—;8—;9—;10—;11—;12—,、、。300mm,4000mm,1000mm200mm。(3～6)mm,0.89g/cm3,1.56g/cm3,4.11m2/g,0.09,0.339。1.3 COD;NH+4-N;SS。3 3.1 ,,(0.46～0.5)m3/h((6.51～7.08)m/h),,::2∶1,:3∶1,(2～3),CODNH+4-N70%,。,CODNH+4-N,,COD178.5mg/L,NH+4-N42.4mg/L;COD81.4mg/L,NH+4-N29.0mg/L;COD48.2mg/L,NH+4-N20.8mg/L,CODNH+4-N73.00%50.94%。NH+4-N,。:①;②,BOD,;③,BOD,BOD,[3]。3.2 ,,1。:①(1∶1),COD,NH+4-N,,NH+4-N,,CODNH+4-N(GB8978-88:COD≤60mg/L,NH+4-N≤15mg/L),,NH+4-N,、,;②,COD。3.3 1 1∶12∶11∶12∶11∶12∶13∶12∶1/m·h-16.098.008.216.09CODmg·L-1196.71337.50198.24265.53NH+4-Nmg·L-140.2853.6030.3231.47CODmg·L-149.3299.0060.7554.03NH+4-Nmg·L-140.0547.2024.6012.01CODmg·L-141.1342.0038.6041.94NH+4-Nmg·L-10.327.300.360.29CODkg·m-3·d-15.3811.446.777.72NH+4-Nkg·m-3·d-10.010.310.280.71CODkg·m-3·d-10.302.711.090.44NH+4-Nkg·m-3·d-11.451.921.190.44 6.09m/h;:1∶1,2∶1;29.2min21.2min,9.14m/h,:1∶1,2∶1,30min,170min,。COD,NH+4-NSS2、34。:①COD,NH+4-NSS,;②,,CODSS。2 COD●—;□—1m;△—;○—3.4 SS374 () 200043 NH+4-N●—;□—1m;△—;○—4 SS●—;□—1m;△—;○—,,,。24h。,。:1.7m3/h,7.5m3/h,24,106m/h。5min,25min,10min。,COD,NH+4-N5、6。:6.09m/h,:3∶1,2∶1。::COD282.26mg/L,NH+4-N41.08mg/L;:COD54.84mg/L,NH+4-N28.95mg/L;:COD50.00mg/L,NH+4-N0.38mg/L。,。NH+4-N,,NH+4-N。,,COD282.26mg/L,54.84mg/L,COD8.30kg·m-3·d-1,,COD4.0kg·m-3·d-1,NH+4-N[4]。,。5 (COD)●—;□—1m;△—;○—6 (NH+4-N)●—;□—1m;△—;○—4 (1)(6.09～8.21)m/h,1∶1,2∶1,COD(120～338)mg/L,NH+4-N(30.0～53.6)mg/L,(CJ25.1-89)。(2),。[1] BrunoLacamp,etal.WastewaterNutrientRemovalwithAdvancedBiofilmReactors[J].WaterSciTech,1993,23(5,6):263—267.[2] SAdachi,etal.ReclamationandReuseofWaste-waterbyBiologicalAeratedFilterProcess[J].WaterSciTech,1991,24(9):195—204.[3] KRGilmore,etal.InfluenceofOrganicandAmmoniaLoadingonNitriferActivityandNitrificationPerformanceforaTwo-stageBiologicalAeratedFilter[J].WaterSciTech,1999,39(7):227—234.[4] ,.37520004 ,:——[J].,1999,25(11):1—4.TreatmentofMunicipalSewagebyTwo-stageBiologicalAeratedFilterLEIGuo-yuan1, QIBing-qiang2, WANGZhan-sheng2(1.WuhanUniversityofScienceandTechnology,Wuhan430081,China;2.TsinghuaUniversity,Beijing100084,China)Abstract:Thepilottestinwhichmunicipalsewageistreatedbybiologicalaeratedfilter(BAF)withburnedclaypelletsasmicroorganismcarriersiscarriedoutwithscaleof12m3/d.Theeffectsoffiltrationvelocity,gas-to-sewageratio,overloadingandbackwashingontheperformanceofBAFareinvestigated.Theresultsshow:(1)undertheconditionsofsewagetemperaturerangeof(20～23.5)℃,filtrationvelocityrangeof(6.09～8.21)m/h,gas-to-sewageratioof1∶1forbiocarboneaeratedfilterand2∶1forbio-nitrificationfilter,theeffluentofBAFreachthewaterstandardsformiscellaneoususeinlivingfromCOD(120～338)mg/LandNH+4-N(30.0～53.6)mg/LofinfluentofBAF;(2)overloadingandbackwashinghavenoremarkableeffectsonthequalityofeffluent.Keywords:biologicalaeratedfilter;filtrationmediaofburnedclaypellet;wastewatertreatment;municipalsewage;biologicaltreatment··,。、,:,,。,12mm。,4～5。,。,,,、,。,。周道其/文、,、、,,。,,。、,,、、、,、。刘新文/文376 () 20004