IMOSBR处理高浓度氨氮废水的实验研究马永鹏

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Studyonhighlyconcentratedammonia-nitrogenwastewatertreatmentbyIMO-SBRMaYongpeng,HeZhengguang,LiuJianmin,DingYu(SchoolofWaterConservancyandEnvironment,ZhengzhouUniversity,Zhengzhou450001,China)IMO-SBR,,,(,450001)[]IMO-SBRSBR。SBR,,SBR。,,、m(C)∶m(N)、pHIMO-SBR,:30℃、m(C)∶m(N)=3∶1、pH=8,,55%。[];;[]X703.1[]B[]1005-829X(2010)07-0054-03Abstract:IMO-SBRwhichintegratesthemicrobeimmobilizedtechniquewithSBRisanewkindofwastewatertreatmenttechnology.ItmakesuseofalltheadvantagesofimmobilizedmicroorganismsandSBR,notonlyretainstheimmobilizedmicroorganisms,butalsomakesuseofthematureSBRtechnology.Thebio-filmcarrierswhichfillwiththereactoraremadefrompolyurethanefoam,andusestheactualhighlyconcentratedammonia-nitrogenwastewaterasaresearchtarget.Theeffectsofthethreefactors:temperature,influentm(C)∶m(N)ratioandpH,onthedenitrificationefficiencyareinvestigated.Theoptimaloperatingconditionsarefinallyconfirmed.Theexper-imentalresultsshowthatwhenthetemperature=30℃,m(C)∶m(N)=3∶1,andpH=8,theoperatingconditionsareoptimal,andammonia-nitrogenremovalratesarestabilizedat55%ormore.Keywords:microbeimmobilizedtechnique;sequencingbatchreactor;ammonia-nitrogenwastewater,,、,、、〔1〕。,,,。。()、()、()()。,,〔2〕。(IMO-SBR)SBR,〔3〕。IMO-SBRSBR,,SBR。、m(C)∶m(N)pH,。11.1SBR,D70mm×H500mm,1.92L,30720107IndustrialWaterTreatmentVol.30No.7Jul.,201054——2010-07,30(7)600mL。,40%。SP-780。1,。1.2,,MLSS7.5g/L。,200mL。。,,,(),Cl-,pH。。。。22.1IMO-SBR,、、m(C)∶m(N)、pHIMO-SBR。、m(C)∶m(N)、pHIMO-SBR。2.21。33.1IMO-SBR:,(30±1)℃;20~25℃。,:pH=8,,DO3~6mg/L。24h,22h+2h。,2h1,0.5h。2。2,,,,Monod,>15mg/L,,。<15mg/L,。30℃,,:30℃,,,;,,,,,。3.2m(C)∶m(N)IMO-SBR30℃,m(C)∶m(N)6∶1、3∶1、1∶1,m(C)∶m(N)IMO-SBR。,,。,,1,11h1。pH=8,DO3~6mg/L。,1234651—;2—;3—;4—;5—;6—。11CODN-(1-)-pHpHS-3CpHJPSJ-605,:IMO-SBR4003503002502001501000246810121416182022/h/(mg·L-1)30℃255——2010-07,30(7)2h1,0.5h。m(C)∶m(N)3。3,m(C)∶m(N)=3∶1,,m(C)∶m(N)=1∶1,m(C)∶m(N)=6∶1。,,。m(C)∶m(N)=3∶1,:(1),,,;(2)CO2,;(3),。m(C)∶m(N)=1∶1,,,、。m(C)∶m(N)=6∶1,:(1)、DO、;(2)DO。3.3pHIMO-SBR30℃,m(C)∶m(N)=3∶1,DO3~6,pH9、8、7,pH4。4,pH=8,,pH=9,pH=7。,,COD80%,pH。,pH,、。pH=8,:(1),,pH。(2),。pH9,,,。pH7,,,。4(IMO-SBR),、pH、m(C)∶m(N),:(1),400mg/L,55%,,COD80%。,。(2)30℃,,。(3),,。(4)pH,,pH。[][1],,,.[J].,2001,17(5):24-28.[2],,.[J].,2000,13(4):17-20.[3],,.[J].,2004,20(3):35-36.4003503002502001501000246810121416182022m(C)∶m(N)=6∶1m(C)∶m(N)=3∶1m(C)∶m(N)=1∶1/h/(mg·L-1)3m(C)∶m(N)4003503002502001501000246810121416182022/h/(mg·L-1)pH=7pH=8pH=94pH[](1984—),,:15838132526,E-mail:mayongpeng1984@163.com。[]2010-03-20()56——

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