混凝气浮_A_O池_高密池工艺处理高盐炼油废水

混凝气浮_A_O池_高密池工艺处理高盐炼油废水?1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.http://www.cnki.net混凝气浮、A/O池、高密池工艺处理高盐炼油废水闫萍,赵斌(中国石油大连石化公司,辽宁大连116031)摘要:采用混凝气浮+A/O生化池+高密池工艺对大连石化公司污水处理厂原有工艺进行改造,通过控制生化池的碱度、提高二沉池抗冲击能力、调整污泥浓缩工艺、改进高密池运行工况等方法对工艺进行优化。实践证明,该处理系统可满足海、淡混合型废水的处理要求,各项污染物指标均优于国家标准。关键词:含盐炼油废水;工艺改造;优化运行中图分类号:X703.1文献标识码:C文章编号:1000-4602(2007)08-0092-03TreatmentofOilRefineryWastewaterbyCoagulationandAirFlotation/AOBiochemicalTank/DensaDegTechnologiesYANPing,ZHAOBin(DalianPetrochemicalCompany,PetroChina,Dalian116031,China)Abstract:TheexistingprocessinWWTPofDalianpetrochemicalcompanywasreconstructedu2singcoagulationandairflotation/AObiochemicaltank/DensaDegtechnologies.Theprocesswasopti2mizedbycontrollingalkalinityofbiochemicaltank,enhancingresistancetoshockloadingofsecondarysedimentationtank,adjustingsludgethickeningprocessandreconstructingrunningconditionofDensaDegetc.Thepracticeshowsthatthistreatmentsystemcanmeettherequirementfortreatingmixedwastewaterfromseawaterandf