//UASB/CASS,,,,,(,300191),,、、UASB、CASS、。,COD、BOD5、SS98.5%、99.6%、94%98.5%,《》(GB8978—1996)《》(GB/T18920—2002)。;;;UASB;CASS;X703.1C1000-4602201508-0093-03TreatmentofDairyWastewaterbyOilSeparationandRegulation/AirFlotation/UASB/CASSLIUHuaSUNLi-naCHENXi-jianJINGJian-gangSHENXin-tianLIJingTianjinAcademyofEnvironmentalSciencesTianjin300191ChinaAbstractBasedonanalyzingthewaterfeaturesandpollutionofthedairywastewaterthesynthet-ictreatmenttechnologyprocesswasproposedincludingoilseparationandregulationairflotationUASBCASSandchlorinedioxidedisinfection.Theengineeringoperationpracticeshowedthatthere-movalratesofCODBOD5SSandanimalandvegetableoilwereabove98.5%99.6%94%and98.5%respectively.TheeffluentqualitymetthefirstclasscriteriaspecifiedintheIntegratedWastewaterDischargeStandardGB8978-1996andReuseofUrbanRecyclingWater—WaterQualityStandardforUrbanMiscellaneousWaterConsumptionGB/T18920-2002.KeywordsdairywastewateroilseparationandregulationairflotationUASBCASSchlorinedioxidedisinfection。、+、+、+。1。、、、、、、、、、、NaOH、、。pH。COD7000~8000mg/L。1000m3/d950m3/d50m3/d。《》GB8978—1996《》GB/T18920—20021。·39·31820154CHINAWATER&WASTEWATERVol.31No.8Apr.20151Tab.1InfluentqualityanddischargestandardCOD/mg·L-1BOD5/mg·L-1SS/mg·L-1/mg·L-1pH600039005004005~11≤100≤20≤70≤106~922.11。1Fig.1Flowchartofdairywastewatertreatmentprocess2.2①。。。②。>100μm。>50%。。③。、。15h。。pH5~11UASBpH。PACpHpH7~8UASBpH。。2.3、50%。。。2.4UASB1~3、CH4、CO2CASS。30~35℃2600m3。2.5kgCOD/m3·d0.33m3/m2·h80%~90%COD<600mg/LBOD5<175mg/LSS<90mg/L<12mg/L。2.5CASS。UASBCASS。CASS4460m360m3CASS0.33kgCOD/m3·d。85%~92%。。2.6、UASB、CASS。、、。PAM·49·318.watergasheat.com。33.1、2。2、Tab.2InfluentandeffluentqualityofeachprocessCODBOD5SS/mg·L-160003900500400/mg·L-149802700450200/%17311050/mg·L-149802700450200/mg·L-13000175013560/%40356070UASB/mg·L-13000175018060/mg·L-16001759012/%80905080CASS/mg·L-16001759012/mg·L-19014326/%859265503.275%20kg/m396t3d。。0.5kgCOD/m3·d。2.5kgCOD/m3·d1pH6.5~7.5。、COD80%500mg/L。3。3.310d4kg/m329t48h0.33kgCOD/m3·d30%。pH、、20d。4//UASB/CASS/COD、BOD5、SS、98.5%、99.6%、94%、98.5%《》GB8978—1996《》GB/T18920—2002。、。1.UASBJ.2006221140-44.2.ICJ.20071541-44.3.UASBJ.200624589-93.1979-。E-mailliuhua792000@126.com2014-12-17·59·.watergasheat.com,://UASB/CASS318