AO工艺结合高效菌技术处理焦化废水的中试研究谢建锋

1~COD·~·~·~℃~A/O430081—。。CODCOD。~COD~。：：：。、。。。。COD、。11.1、、。、~。1.2。。。、、、。。。COD。CoalChemicalIndustryNo.4(TotalNo.155)Aug.20112—▲——■—·22.1。。。。。COD。2.2COD。CODCODCOD。。COD。COD~CODCOD~CODCOD。COD。、、COD。。2.3~~。。。1CODcr—▲—COD—▲—COD—●—CODCOD·COD。。~℃~℃。、。~。。。。2.4、、CODCOD。~COD~COD。COD。。。。、CODCOD。。。COD。33.1COD~COD。。COD。3.2。。。3.3~COD~COD。3CODcr—■——▲—COD、CODA/OStudiesontheTreatmentofPhenol-containingWastewaterfromLurgiGasifiersbyEmulsionLiquidMembraneGaiHengjun,WangXiangyuanandWuWenying(QingdaoUniversityofScienceandTechnology,QingdaoShandong266042,China)AbstractTheEmulsionliquidmembranetreatmentofLurgicoalgasificationwastewaterhasbeenstudiedbyusingsinglefactorexperiments.Theeffectofthesurfactantamount,emulsificationspeed,NaOHconcentration,theratioofemulsionandwaterandthestirringspeedontheextractionratioofphenolareinvestigated.Besides,theperformancesofemulsionliquidmembrane,solventextractionwithDIPEandMIBKarecompared.Theexperimentalresultsindicatethattheoptimalconditionsofthesurfactantamount,emulsificationspeed,NaOHconcentration,andtheratioofemulsionandwaterare4%,5000r/min,4%,and1:1.5,respectively.Thephenolremovalefficiencyoftheemulsionliquidmembranemethodisbetterthanthatoftheliquid-liquidsolventextractionmethodbasedonDIPEandMIBK,buttheCODcontentinthetreatedwastewaterisabithigh.Keywordsemulsionliquidmembrane,phenol,coalgasificationwastewater,extraction(56)PilotPlantResearchonTreatingCokingWastewaterUsingA/OProcessCombinedwithHigh-efficiencyBacteriaXieJianfeng,TuoBaohua,SunLilu,WangGuangpengandYanJiabao(WuhanUniversityofScienceandTechnology,WuhanHubei430081,China)AbstractHigh-efficiencybacteriawhichhadbeenisolatedinthelabwereappliedtopurifythecokingwastewaterwithintheAnoxic/Oxicpilotplantonthesiteofthecokingfactory.Basedontheresearchresultsofbiologicalintensifica-tioninthepilotplant,thetotalremovalefficienciesofammoniumnitrogen(NH3-N)andchemicaloxygendemand(CODcr)were97%and95%respectively,andtheconcentrationsofNH3-NandCODcrinthesystematiceffluentcanmeetthecrite-rionspecifiedinthedischargestandard.Withoutanyadditionofcarbon,theremovalrateofnitrifiedproduct(nitrateandnitrite)andCODcrintheanoxictankwerewithinthelimitof50%-73%and20%-45%,respectively.KeywordsA/Oprocess,high-efficiencybacteria,cokingwastewater,biologicaldenitrification,pilotplantresearch!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!《》[e-mail]####