印染废水处理工程设计

-I-毕业设计（论文）材料之二（1）毕业设计（论文）专业：环境工程题目：印染废水处理工程设计作者姓名：导师及职称：导师所在单位：2010年6月10日I本科生毕业设计（论文）任务书2011届院专业学生姓名：Ⅰ－II－毕业设计（论文）题目中文：印染废水处理工程设计英文：DesignofDyeWastewaterTreatmentProjectⅡ原始资料表0-1项目BOD5/(mg/L)COD/(mg/L)SS/(mg/L)pH色度设计处理水量/(m3/d)进水36011502408~112004000出水≤25≤100≤706~9≤40Ⅲ毕业设计（论文）任务内容毕业设计要求完成以下三方面的工作内容。（1）污水处理方案的论证。包括污水处理基本工艺路线的确定、污水处理工艺流程论证和主要处理构筑物的选型。（2）污水处理和污泥处理工艺设计计算。（3）污水处理站总平面布置图和某些构筑物构造图设计。方案论证阶段主要进行处理方案的技术比较（如处理效果、技术合理性和技术先进性），也可适当进行经济比较（如构筑物容积、占地面积、药剂消耗和运行管理复杂程度等）。指导教师（签字）教研室主任（签字）批准日期接受任务书日期完成日期接受任务书学生（签字）I摘要本文主要介绍了印染废水的水质特征及各种处理技术，并以工程设计实例说明了印染废水处理的一般流程。设计实例为日处理量4000吨的印染废水，所用的染料主要为靛蓝和硫化黑。设计实例采用了印染废水典型处理工艺：“水解酸化+生物接触氧化”的方法。对4000m3/d的印染废水采用水解酸化与接触氧化工艺进行处理，通过废水的水解酸化反应，把难降解的高分子物质转化为较小的分子，从而改善废水的可生化性，为接触氧化创造条件。设计中采用铁碳体微电解、水解酸化和生物接触氧化相结合的工艺，对调节池、沉砂池、铁碳体微电解塔、水解酸化池、生物接触氧化池、二沉池等的排序和规格进行设计和计算。通过此设计，废水可达到挂膜好，处理效果稳定，CODCr去除率在85%以上。在通过铁粉在印染废水中的内电解作用和紫外光作用下的光化学氧化作用，使其色度和CODCr又有大幅度降低，多数情况下可以保证出水水质达标。关键词：铁碳体微电解部分微电解水解酸化生物接触氧化印染废水－II－AbstractThemainintroductionofthistextprintsanddyethewaterqualitycharacteristicofthewastewaterandvariouskindsoftreatmenttechnologys,andhasexplainedthegeneralprocedureofprintinganddyeingwastewatertreatmentwiththeengineeringdesigninstance.Leavedayoninstancehandlingcapacityof4000tonofsonclothsprocessandprintanddyewastewater,thedyestuffsused,forbeingindigowithsulpHuratingdarklymainly.Designinstanceadoptprintanddyemodelofthewastewaterpunishthecraft:Methodthathydrolizeacidtake+livingbeingsexposedtoandoxidize+mixandcongealandprecipitate.Wastewaterbyhydrolyticof4000m3/dofdyeingacidificationandcontactoxidationprocess,thehydrolysisbywateracidification,thedegradablepolymermaterialintosmallermolecules,therebyimprovingthebiodegradabilityofwastewater,forthecreationofcontactoxidationconditions.Bodyusedinthedesignofcarbonmicro-electrolysisofironhydrolysisacidificationandacombinationofbiologicalcontactoxidationprocess,theregulationpool,gritchamber,thebodyofcarbonmicro-electrolysisofirontowers,hydrolysisacidificationtank,biologicalcontactoxidationtank,secondarysedimentationtank,etc.sortandspecificationsfordesignandcalculation.Withthisdesign,wastewaterbiofilmcanbeachievedgoodresultsandstablehandling,CODCrremovalrateabove85%.InprintinganddyeingwastewaterbyironinnerelectrolysisandUVpHotochemicaloxidationundertheaction,sothereareasignificantreductionincolorandCODCrinmostcasestoensurethatwaterqualitystandards.Keywords:Iron-carbonbodyexposuretooxygenPartofthecontactoxidationHydrolysisContactoxidationPrintinganddyeingwastewaterI目录引言.................................................................................................................................................................1第1章绪论......................................................................................................................................................21.1印染废水主要来源..............................................................................................................................21.2印染废水特点......................................................................................................................................21.3印染废水的分类..................................................................................................................................21.4设计任务..............................................................................................................................................41.4.1设计规模的确定.............................................................................................................................41.4.2处理程度确定.................................................................................................................................4第2章工艺流程的确定..................................................................................................................................12.1概述......................................................................................................................................................12.2印染废水处理方法比较......................................................................................................................12.3几种常见的处理工艺..........................................................................................................................22.3.1厌氧-好氧-生物炭接触为主的处理工艺.......................................................................................22.3.2以生化处理为主体处理工艺流程.................................................................................................32.3.3生化、物化相结合的工艺流程.....................................................................................................42.4设计方案的确定..................................................................................................................................52.4.1污水性质的分析.............................................................................................................................52.4.2处理工艺方案的确定.....................................................................................................................52.4.3污泥处理工艺方案.......................