膜SBR工艺处理混合制药废水.doc

I28本科毕业设计（论文）膜SBR工艺处理混合制药废水学院环境科学与工程学院专业环境工程年级班别2009级（3）班学号3109007661学生姓名曾浩权指导教师谢武明2013年6月设计总说明制药废水的特点是成分复杂有机物含量高、毒性大、色度深及含盐量高可生化性较差且间歇排放属难处理的工业废水。制药废水一般难以降解可长期存在于环境中。本设计针对300吨/天制药废水进水水质为：BOD5：130mg/LCODCr：400mg/LpH:6-9SS:150mg/L。出水水质达到国家工业废水二级排放标准。针对该制药废水的特点参照国内外经验运用膜SBR工艺废水经酸化调节池初沉池膜SBR池后有效降低废水中的COD、BOD使废水出水水质达到国家工业废水二级排放标准。相对于其他工艺采用膜SBR工艺有节能占地少造价低无须处理污泥运行成本低等优点。本设计处理水量为300m³/d为小型工程工程地点设置在制药厂区内方便处理经处理后的出水直接运用于制药厂区绿化用水。经计算工程总投资为105万元左右每立方处理水成本在0.5元左右。关键词：混合制药废水膜SBR工艺酸化调节DesignIlluminatePharmacicalwastewaterischaracterizedbyitscomplexcomponetshighconcentrationsoforganicmatterhightoxicitydeepcolorandhighsaltcontentspoorbiodegradabilityandintermittentemissionswhichmakeitindustrialwastewaterhardtodealwith.Itisalsoverydifficulttodegradeandcanexistintheenvironmentforalongtime.Someoftheorganicpollutantsexistinpharmaceuticalwastewaterareeasytocausewaterpollutionandhaveposedahugethreattohumenthealth.WiththedevelopmentofChinesepharmaceuticalindustrypharmaceuticalwastewaterhasgraduallybecomeoneofthemajorsourcesofpollution.Andhowtohandlethepharmaceuticalwastewaterbecomesadifficultprobleminenvironmentprotection.ThedesignforthepharmaceuticalwastewaterbyusingmembranetechnologySBRcaneffectivelyreducethewastewaterCODBODtheeffluentqualitycanmeetthenationalwastewaterdischargestandardoftwograde.ComparedwithotherprocessusingthemembraneSBRprocesshasenergysavinglesslandoccupationlowcostnosludgetreatmenthastheadvantagesoflowoperatingcost.Thedesigntreatmentcapacityis300mUniversity/dforsmallprojectsprojectlocationconvenientsettingprocessinginthepharmaceuticalfactorythetreatedeffluentisdirectlyusedinpharmaceuticalplantgreenwater.Bycalculationwatertreatmentcosts0.5yuanpercubic.