毕业设计说明书（论文）作者:杜永恒学号：1031617系(院):生命科学与化学工程学院专业:环境工程题目:酒厂高浓度有机废水处理工程设计张强华(副教授)石莹莹指导者：石莹莹评阅者：2007年6月毕业设计说明书（论文）中文摘要UASB-CASS工艺全称为厌养好氧二级处理活性污泥法，即污水通过调节沉淀池进入一级和二级UASB反应池，在厌氧状态下产生的沼气，与污泥碰撞引起附着气泡的污泥絮体脱气，污泥颗粒将沉淀到污泥床的表面。出水进入CASS池实行连续进水、静态沉淀和间歇排水，对污染物质降解经历着“好氧—缺氧—厌氧”交替运行的过程，加之采用延时曝气与生物选择，有效地促进了难降解有机物的好氧生化。在本次工艺中COD、BOD、SS的去除率达到：99%、99%、97%，出水达到国家二级标准。工艺由于投资和运行费用低、处理性能高，尤其是优异的脱磷除氮功能而越来越受到重视。该工艺已在酒厂含油废水、食品废水、屠宰废水中得到广泛应用，尤其适用于工业污水和生活污水的处理。关键词工业污水，UASB-CASS工艺，工艺设计毕业设计说明书（论文）外文摘要TitleDistilleryhighconcentrationoforganicwastewatertreatmentprojectdesignAbstractUASB-CASSTechnologycalledtheAerobicdisgustCustodyof2handleActivatedSludgeProcess,ThatByregulatingsewageintoaprecipitationtankandtwoUASBreactorpool,Anaerobicconditionsinthegas,Sludgecausedbycollisionwithbubblesattachedsludgeflocdegassing,Sludgeparticlesofsludgebedsedimentstothesurface.CASSpoolwaterenteredtheintroductionofthecontinuousinflow,Staticprecipitatorsandintermittentdrainage,Degradationofpollutantsexperiencing"aerobic-anoxic-anaerobic"alternativeprocess,Moreover,usingaerationandbiologicaldelaychoiceEffectivelypromotingtherefractoryorganicsaerobicbiochemical.InthisprocessofCOD,BOD,SSremovalrate:99%,99%,97%.Thewaterreachthestatestandardsoftwo.Technologyinvestmentandoperatingcostslow,Performancesuperbhandling,ParticularlyoutstandingPhosphorusandnitrogenfunctionalandmoreimportance.Theprocesshasbeeninthedistilleryoilywastewater,foodwastewater,wastewaterslaughteringbeenwidelyapplied,particularlyapplicabletotheindustrialeffluentsandsewagedisposal.KeywordsIndustrialsewage,UASB-CASStechnology,processdesign淮阴工学院毕业设计说明书（论文）第I页共I页目次1绪论..................................................................................................................................11.1白酒厂废水水质特点及危害.......................................................................................11.2常用污水的生物治理方法...........................................................................................12UASB-CASS法......................................