磁分离技术处理炼油厂高浓度废水的研究

StudyonMagneticSeparationTreatmentofHighConcentrationWastewaterfromRefineryWUWei1,ZHAOJing-xia1HUIJun1LIBao-zhong1LILi-jie21.FushunResearchInstituteofPetroleumandPetrochemicals,LiaoningFushun113001China2.PetroChinaFushunPetrolchemicalCompanySyntheticDetergentFactory,LiaoningFushun113001ChinaAbstract:Themagneticseparationtechnologywasusedtotreatthehighconcentrationwastewaterfromrefinery;thetreatmenteffectofmagneticseparatorwasstudiedandcomparedwiththetreatmenteffectofmultistageflotationtechnologyinsewagefarm.Theresultsshowthat,afterthemagneticseparation,theaverageremovalrateofCODcanreachalmost60%,andisbetterthanthatoftheexistingmultistageflotationtechnology.Aftermagneticadditivesarerecycled,themethod’sadditivecostwillbeequaltotheexistingmultistageflotationtechnology,butpowerconsumptionisgreatlyreduced.Itisthenewdirectionofenergyconservationandemissionsreductionforwastewatertreatmentplants.Keywords:Magneticseparation;Highconcentrationwastewater;FlotationFig.1MagneticseparationmachinestructurediagramTable1MagneticseparationmachinetestanalysistableTable2TestreagentconsumptionandcosttableFig.2Treatingeffectsofthehighconcentrationwastewaterwithmagneticseparationmachineormultistageflotationtechnology