ABR反应器生物接触氧化系统短程硝化反硝化脱氮除磷性能研究麻娟

，［1］。，、、、、［2］。、pH、。ABR＋＋CASS，，。11．11。。ABR4，18．55L。，ABR22～25℃。2009－10－090428008－4K1980－。ABR—1211000832530012ABR＋＋CASS。22～25℃ABRHRT4h0．2～0．5mg/LHRT3h2∶1CASS1．5～2．0mg/L4hCOD90％90％70％。ABRX52A1002－8161200911－1461－05ReactionperformanceofanaerobicbaffledreactorABR—bio－contactoxidationsystemonshortcutnitrification－denitrificationnitrogendenitrifiedandphosphorusremovalMAJuan12（1ChinaUniversityofGeosciences，Beijing100083，China；2NanningEnvironmentalProtectionMonitoringStation，Nanning，Guangxi530012，China）Abstract：Ashortcutnitrification－denitrificationsystemwasusedinthepresentstudytotreatdomesticsewageforin-vestigatingtheoptimumoperationalparametersfornitrogendenitrificationandphosphorusremovalreactionandprovidingabasisforimprovingdomesticsewagepurificationsystem．Thissystemwasconsistedofanaerobicbaffledreactor（ABR），bio－contactoxidationandCASSreactor．Wehaveidentifiedthebestoperationparameterofthesystem，whichareasfol-lows：thesuitabletemperaturewasbetween22－25℃，thefittimeofHRTofABRwas4h；theconcentrationofdeliques-centoxygeninbio－contactoxidationdevicewasbetween0．2－0．5mg／L，whileHRTwas3h，theratioofdomesticsewagerefluencewas2∶1．Undertheconditionsfor1．5－2．0mg／LofdeliquescentoxygeninCASSand4hofoperationperiod，theeffectsofsystemondomesticsewagewereasfollows：theremovalrateofCOD，nitrogenandphosphoruswasover90％，andthatoftotalphosphoruswasover70％．Keyword：ABR；shortcutnitrification－denitrification；nitrogenandphosphorusremoval200940111461··200940111．2，：COD175～380mg／L，NH3-N58．3～129．5mg／L，TP2．19～6．14mg／L，pH7．10～7．69。1．3ABR。CASS。22．1pHpH［4］。，pH，pH5．00～8．50，pH，pH5．00。pHpH，6．50～7．80，pH。pH7．10～7．69，，。ABRpH7．20～7．80。2．2CODABRHRT4h，，，，，ABR，ABR，。，，HRT。COD2，COD，COD20mg／L，90％。［3］22．5L，0．2～0．5mg／L，2∶1。CASS，，1．5～2．0mg／L，4h。1462··ABR—2．3NO2－N22～25℃，DO0．2～0．5mg／L，HRT3h。ABR3，NO2－N4。3、4，43～51d，NO2－N，25．6％53．0％，50％，56．1％。，，，；DO，。HRTNO2－N，76d，HRT5h，NO2－N，78d82．1％，80％，84．5％。2．45。ABR，，ABR，。2∶1，NO2－N，，，：NH4＋＋N02→N2邙＋H2O，，NO2－N，；CASS，NO2－NCASSNO3－N；，，CASS，NO3－N，。3，90％。HRT5h，NO2－N，99％。1463··200940113，22～25℃，DO0．2～0．5mg／L，NO2－NHRT3、5h56．1％84．5％，DOHRT，NO2－N；COD90％，COD20mg／L，；NO2－NHRT3、5h2．5［5］，。，，PHB，（）ATP，，，。，CASS。6。6，72．8％，57％1mg／L。BOD，，CASS，。CASS，，，，，CASS，，，。1464··《（）》、《》，（）、。。，。，、、、、。，。，。《》!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!ABR—，90％99％，；72．8％，57％1mg／L。。，ABR＋＋CASS，，，，；，HRT，，，，。1VoetsJPVanstaenHVerstraeteW．Removalofnitro－genfromhighlynitrogenouswastewatersJ．JWaterPol－lutionControlFed197547394－398．2TurkOMavinicDS．Selectiveinhibitionanovelconceptforremovingnitrogenfromhighlynitrogenouswasteswa－tersJ．EnvironTechnolLett19878419-426．3．M．1997262－266．4．M．199847－49．5．J．2006321191－192．1465··