MBBR活性污泥法处理城市污水时红线虫的爆发性生长及其控制措施李程

MBBＲ*1231.5106302.3145003.200092AAAO+MBBＲCOD。。NaClO、NaOH、HCl3pH。、。MBBＲTHEMASSIVEGＲOWTHOFＲEDWOＲMSINWASTEWATEＲTＲEATMENTPLANTWITHMBBＲANDACTIVATEDSLUDGEPＲOCESSANDITSCONTＲOLLINGMEASUＲESLiCheng1XiongＲenjiu2ChenTonghui31.GuangdongXinduEnvironmentalProtectionCo．LtdGuangdong510630China2.TongxiangMunicipalWastewaterTeatmentPlantTongxiang314500China3.SchoolofEnvironmentalScienceandEngineeringTongjiUniversityShanghai200092ChinaAbstractAAO+MBBＲprocessisappliedintheupgradingandreconstructionofasouthernWWTPwastewatertreatmentplantandthesuspendedcarrierswereinhabitedwithmassiveredwormsduetothelowinfluentCOD．Theexplosivegrowthofredwormsdecreasestheamountofnitrobacteriaandleadstothepoordegradationofammonia．NaClO、NaOH、HClhavebeenusedtoinactivateredwormsinbenchscaletestandtheresultshowsthatredwormscanbekilledbyaddingwasteacidandcontrollingpH．TheproductiontestshowsthatThemasspropagationofredwormscanberestrainedbyreplenishingcarboninthesourcewaterandcontrollingthedissolvedoxygeninthepackingarea．KeywordsMBBＲsuspendedcarriersredwormsbiochemicalsystem*2012ZX07318-002。2016－10－210A2001A2/O5t/d《》B。2014A。A2/OA2/O。MBBＲ。TN、NH+4－NA。A42015581012431。912。MBBＲ1。MBBＲ。。77120173511“”。2。1。。912。27—12CODCOD11COD100mg/LCOD350mg/L4mg/L。3500mg/L150%80%0.05～0.12kg/kg·d0.152kg/kg·d。2COD39TN。。。—■—NH3－N—●—NH3－N。33。。2。9。926℃2d4d。31。1215℃1DO5～6mg/L12。COD、DO。“”。20161450%50%。1、234。422。1、23。NaClO、NaOH、HCl3871201735—■—NH3－N—●—NH3－N。4。1200mg/LCl－2NaOH3HClpH＜34。HCl。1。、。pH。2HCl。pH。3pH2.5～3.0。。15%6～8m3。44h。pH。5pHpH7。。61d1m。4。3DO0.6mg/L2DO。3。、。。CODDO。120mg/L5000～10000m3/dCOD300～600mg/L53COD。2DO1mg/L4000～5000mg/L。—■—COD—●—COD。5COD201645DO1mg/L。4COD。TN。MBBＲCOD。20397120173521.74km1.35km、13.631.89、460m790.11715.37。。4.5。43。3/584.54985.901570.44255.53524.80780.33DN1500166.40524.80691.201280m2m×2.5m11.9011.901454.0054.0023.2323.23329.01461.10790.111200×1200226.20461.10687.301740m60.9060.9012.0012.0029.9129.91217.98217.98178.84178.84584.54985.90396.831967.27。51。2。31967.271570.44217.98178.84。1989－。櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅[e-mail]17912～4d。2DO0.6mg/L1～2。3DO1mg/LDO2～4mg/L。1．D．2013．2．J．．3．J．201636．1989－。[e-mail]302201735