Application of Micro Filtration Osmosis Techniques

微滤/反渗透技术在石油化工废水污水再生中的应用ApplicationofMicroFiltration/ReverseOsmosisTechniquesinRegenerationofPetro-chemicalWastewaterCheChunboDepartmentofEnvironmentalEngineeringHarbinUniversityofCommerceHarbin,Chinae-mail:chechunbo@126.comAbstract—Micro-flocculationandcontinuousmicrofiltration(CMF)processeswereusedforpretreatmentofreverseosmosis(RO),UsingCMFandROtechniques,petro-chemicalwastewateraftersecondarytreatmentwasregenerated.Theconductivityofthetreatedwastewaterisbelow100�s/cm,oilisbelow1mg/L,turbidityisbelow0.5NTU,SDIisbelow3,andthewastewatersallmeettherequirementofROinletwater.Theconductivityofthetreatedwastewaterisbelow100�s/cm,thedesalinizationrateofROsystemisabove98%.Completelyreachthewaterstandardofthemakeupwaterintheboiler.Keywords-microfiltration;reverseosmosis;petro-chemicalwastewater;regenerationtreatmentI.INTRODUCTIONPetrochemicalwastewaterduetoahighconcentrationoforganicpollutants,poorbiodegradability,pHlargechanges,easytoformashockloadcharacteristics,itisdifficulttousethetraditio