复合变速生物滤池处理污水厂二级出水

,(,400045)::HRT13350min212d72192m3Pd,COD60.9%73.1%69.4%82.8%,(CJ25.189),:;;;:X703.1:A:1000-4602(2002)08-0001-04UseofVariable-rateHybridBiofilterforTreatmentofSecondaryEffluentFromMunicipalWastewaterTreatmentPlantLONGTeng2rui,PANGYu(SchoolofUrbanConstructionandEnvironmentalEngineering,ChongqingUniversity,Chongqing400045,China)Abstract:AnewtypeVariable-ratehybridbiofiltercomposedofenzyme-catalyzedpackingandceramsitewastestedonthetreatmentofsecondaryeffluentfrommunicipalwastewatertreatmentplant.Thetestresultshowedthatwateryieldis72192m3PdandremovalrateofCODandturbiditycomerespectivelyupto60.9%73.1%and69.4%82.8%atHRTof13350minandcontinu2ousoperationfor212d.TheeffluentqualitymeetstheMiscellaneousDomesticWaterQualityStan2dard(CJ25.1-89).Thetreatedeffluentisreusedforroutineflushingandgreeninginplantareawithgoodoverallbenefits.Keywords:municipalwastewater;efficientfiltration;advancedtreatment;enzyme-cata2lyzedpacking:(59838300)1,,,2104m3Pd111,(CJ25.189)()(1)112,3.2m1.6m3m,12002Vol.18CHINAWATER&WASTEWATERNo.8___________________________________________________________________(1)1()()COD(mgPL)45.6101.75050(NTU)12.9835.45105SS(mgPL)010105NH3-N(mgPL)12.716.32010()30301(mm)A,B,,,22(m2Pg)(mLPg)(gPmL)P(mm)(gPg)(gPmL)(%)0.18610.24940.653410P6.25252.48744.65:(610kPa12.6m3Ph5.5kW),QYR-1000(),UYW-4Na2ClO(9kW,800gPh),(100m3),AB22113CODNH3-N2000420009,45,592211:0.230.61kgCODP(m3d),1725COD20%,COD(SCOD),NH3-N5dSCOD,20d40%,COD50%,,3321221211,22002Vol.18No.8中国科技论文在线____________________________________________________________________(3m3Pd1113d8m3Pd13d)3(m3Ph)3.04.06.07.08.0HRT(min)133100675750[m3P(m3d)]10.814.421.725.328.9(d)1113810573513129642:6.65m321212CODSCODCODSCOD45.6101.7mgPL25.475.6mgPL,CODSCOD(4),COD,4.0m3PhCODSCOD(73.1%60.3%),CODSCOD(3.0m3Ph71.5%55.1%8m3Ph60.9%48.6%),,CODCODSCOD,SCODCOD21213SSSS(10mgPL),SS,SS,(4)4,70%(10NTU),,4CODSCOD(m3Ph)3.04.06.07.08.0COD(mgPL)SCOD(mgPL)(NTU)COD(mgPL)SCOD(mgPL)(NTU)COD(mgPL)SCOD(mgPL)(NTU)COD(mgPL)SCOD(mgPL)(NTU)COD(mgPL)SCOD(mgPL)(NTU)65.537.218.969.643.822.268.644.722.869.848.130.781.757.528.218.816.73.2718.717.44.1021.220.84.6223.722.86.9831.828.78.65(%)71.555.182.873.160.381.669.353.579.866.252.577.360.948.669.4:3321214NH3-NTPNH3-N520mgPL,DO,NH3-N,DO0.5mgPLNH3-N11.04%24.17%,,20mgPLTP5.138.47mgPL(6.82mgPL),TP4.3710.85mgPL(7.36mgPL),TP,TPDO,21215,(Q4m3Ph),,,;(Q4m3Ph),,21216(2035),(),,32002Vol.18No.8中国科技论文在线____________________________________________________________________(pH6.57.5)DO,,,,,36,96%0.6Pa,()0.9Pa4m3Ph24h7d2h,3.6m3Pd;3.6%;35186m3Pa;1.75Pm3,6.18Pa4(),HRT13350min212d72192m3Pd,,,,,:[1],.[J].,2001,17(3):20-21.[2].[J].,2000,55(5):49-51.[3],.[J].,2000,26(3):22-25.:(1939-),,,,,,:(023)651207516512687513018361061E-mail:[e-mail]:2002-02-04(),,WTO,,,,,,,,::010-828953998289537742002Vol.18No.8中国科技论文在线____________________________________________________________________