高效菌种的厌氧缺氧膜生物反应器处理焦化废水郝鑫

、。、、、、、。、COD。[1]。。、、、、、。、、。[2]。--A2O-MBR3。11.1A2O-MBR1。－－243002)--A2O-MBR。MBRMBR。。3。COD2000mg·L-1150mg·L-1120mg·L-19mg·L-194%93%GB8978－1996。X784A1000-3770(2009)[e-mail]1A2O-MBRFig.1Flowchartofwastewatertreatmentprocess3512200912TECHNOLOGYOFWATERTREATMENTVol.35No.12Dec.,200981DOI:10.16796/j.cnki.1000-3770.2009.12.027。380L。N2[3]。2。MBR。30min30s。MBRSV。300%10～15L·h-1。20～30℃、HRT25、25、20hpH7～8、DO0～0.2、0.5～1、4～6mg·L-1。PVDF0.2μm1m2。1.2---A2-O2。COD1500～2500mg·L-1TN35～250mg·L-1400～500mg·L-1。1.3CODNH4+-NNO3--NTNpHpH。22.1CODCOD2。2COD。CODCOD95%COD120mg·L-1GB8978－1996[4]。COD20～30℃DO4mg·L-165%COD30%。。。。。2.23。3。、pHDO。20～30℃pH7～8DO0.2、4～6mg·L-193%150mg·L-19mg·L-1GB8978－1996[4]。。COD/mgL
/dCOD/%2CODFig.2EffectofsystemonCODremovalrater(NH-N/mgL
/dNH-N/%3Fig.3Effectofsystemonammonianitrogenremovalrate351282[5]。420～30℃、CN3:1～4:1、DO0.2mg·L-1、180mg·L-155mg·L-170%。123。3COD2000mg·L-1150mg·L-1120mg·L-19mg·L-194%93%GB8978－1996。。MBRDO。[1].[J].,2007,33(28):198-199.[2],.[J].,2002,3(6):116-121.[3].:,200710019856.3[P].2007-02-01.[4]GB8978－1996[S].[5],,.A-A-O[J].,2002,22(1):34-39.r(NH-N)/mgL
/dNH-N/%4Fig.4EffectofanaerobicpoolonammonianitrogenremovalrateA2O-MBRPROCESSTREATINGCOKINGWASTEWATERWITHHIGH-EFFECTIVEBACTERIUMSPECIESHaoXin,CaiJianan,PengYongli(SchoolofArchitecturalEngineering,AnhuiUniversityofTechnology,Ma＇anshan243002,China)Abstract:TheexperimentonA2-O-MBRprocesstreatingcokingwastewaterwereperformedbyfeedingfixedandhigh-effectivebacteriumspecies,thesludgeconcentrationwasgreatlyenhancedinMBR.ThesludgerefluxprocessisusedbecauseofthehighSV.ThesludgeandwastewaterbacktotheanoxictankformtheMBR.Cellularwallfillingareusedinanaerobictank.Threemonthsofcontinuousexperimentindicatedthattheprocesshasstrongadaptedabilitytoantishockloading.Underthecontinuousinfluent,whentheinfluentCODwasabout2000mg·L-1theeffluentCODwasabout120mg·L-1wheninfluentNH4＋-Nwasabout150mg·L-1,theeffluentNH4＋-Nwasabout9mg·L-1.Thetwoindicatorsmeetthecriteriaspecifiedinintegrat-edstandardofwastewaterdischarge.Keywords:cokingwastewater;high-effectivebacteriumspecies;anaerobic;anoxic;MBR45020096。2603000。520MBRA2/OCOD、、、、。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!－－83