气浮-水解-SBR工艺处理化妆品厂废水

毕业设计（论文）1气浮-水解-SBR工艺处理化妆品厂废水专业：环境工程班级：2007级1班姓名：xxxx毕业设计（论文）2目录引言....................................................31设计原则依据及要求.......................................61.1设计依据........................................................61.2设计原则.......................................................61.3设计任务........................................................72污水处理方案的确定.......................................82.1设计思路......................................................82.2方案比较.......................................................82.3方案确定......................................................83污水处理系统的设计计算.................................103.1格栅的设计...................................................103.1.1设计参数..................................................103.1.2设计计算..................................................103.2调节池的设计.................................................143.2.1设计参数..................................................143.2.2设计计算..................................................153.3气浮池的设计.................................................153.3.1设计说明..................................................153.3.2设计参数..................................................163.3.3设计计算..................................................163.4水解池的设计.................................................193.4.1设计说明..................................................193.4.2设计参数..................................................203.4.3设计计算..................................................203.5SBR反应池的设计...............................................223.5.1设计说明..................................................223.5.2第一级SBR反应池...........................................243.5.3第二级SBR反应池...........................................294污泥处理系统的设计.....................................344.1污泥浓缩池....................................................344.1.1污泥浓缩池的作用..........................................344.1.2设计参数..................................................344.2贮泥池及污泥泵................................................354.2.1贮泥池作用................................................354.2.2设计计算..................................................354.3污泥脱水......................................................364.3.1污泥脱水作用..............................................36毕业设计（论文）34.3.2设计选型..................................................375污水处理站平面及高程布置...............................385.1污水处理站平面布置...........................................385.1.1各处理单元构筑物的平面布置................................385.1.2辅助构筑物................................................395.2污水处理站高程布置...........................................395.2.1高程布置任务及原则........................................395.2.2污水处理高程计算..........................................406污水泵站的设计.........................................426.1泵站的设计....................................................426.2选泵..........................................................427所选设备及各池池型总结..................................438工程概算及效益分析......................................448.1工程初步投资预算..............................................448.2经济效益分析..................................................448.3环境效益分析..................................................44结论...................................................46致谢...................................................47参考文献.................................................48毕业设计（论文）1摘要本次设计的目的是对化妆品废水进行初步设计，以解决化妆品行业废水带来的环境污染问题。化妆品生产过程中排放的大多都是结构复杂、有毒有害和生物难以降解的有机物污染物质，其中COD浓度高达上万，BOD浓度高达数千mg/L，如不妥善处理，将会对环境造成严重的污染和破坏。针对其废水量小及化妆品行业废水特点，考虑成本、处理技术、进出水水质等因素，最终确定气浮—水解—SBR法的处理工艺。本流程首先设有格栅、调节池，对污水进行预处理，去除水中较大的悬浮颗粒和调节水质水量。气浮能有效地去除废水中大部分的LAS和乳化状态的油,同时去除由油类物质引起的CODCr，有利于后续的生化处理工序。二级处理采用水解酸化/SBR联合工艺，可有效地去除废水中的SS和CODcr。SBR法是一种间歇运行的废水生物处理工艺，该法具有适应性强，操作运行灵活等特点，适合于化妆品生产废水处理。通过格栅、调节池，水解酸化池、SBR处理系统的处理工艺，出水可达《广州市污水排放标准》的一级标准。本文对格栅、调节池、气浮池、SBR反应器及污泥浓缩池进行计算，编制设计说明书，并绘制工艺流程、构筑物平面及高程、主要构筑物共五张图纸。关键词：化妆品行业废水；气浮；水解酸化；SBR处理系统。毕业设计（论文）2AbstractThepurposeofthisdesignisthepreliminarydesignofcosmeticsindustrywastewater,tosolvetheproblemofenvironmentalpollutioncausedbycosmeticsindustrywastewater.Chemicalemissionsfromtheproductionprocessaremostlycomplex,poisonousandharmfulanddifficulttodegradetoxicorganiccompoundsandbiologicalpollutants,includingconcentrationsashighastensofthousandsofCOD,BODconcentrationsuptoseveralthousandmg/L.Ifnottreatedproperly,willcauseseriouspollutionanddestructiontotheenvironment.Inviewofitswastewaterquantitywassmallandcosmeticsindustrywastewatercharacteristics,considerthecost,processingtechnology,accesstowaterqualityandotherfactors,ultimatelydeterminetheprocessasair-flotation-Hydrolysis-SBR.First,theprocesshasagrill,adjustthepool,pretreatmentofwastewatertoremovelargersuspendedparticlesinwaterandadjustthequalityandquantity.FloatingcaneffectivelyremovemostoftheoilLASandemulsificationstate,andremovematerialCODCrcausedbyoil,benefittothefollow-upbiochemicaltreatmentprocesses.Secondarytreatmentusinghydrolysisacidification-sbr-contactoxidation/SBRjointprocess,caneffectivelyremovethewaterintheSSandCODcr.Throughthegrill