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1、净水技术2017,36(3):100-105,118WaterPurificationTechnology蒋希,宣雍祺,史俊,等.BPAC-UF组合工艺去除微污染原水中嗅味物质的工艺条件优化[J].净水技术,2017,36(3):100-105,118.JiangXi,XuanYongqi,ShiJun,etal.Processconditionsoptimizationoftasteandordercompoundsremovalinmicro-pollutedrawwatertreatmentbyintegratedpro
2、cessofBPAC—UF[J].WaterPurificationTechnology,2017,36(3):100—105,118.BPAC-UF组合工艺去除微污染原水中嗅味物质的工艺条件优化蒋希宣雍祺2,史俊张为邓慧萍1(1.同济大学环境科学与工程学院,上海200092;2.上海勘测设计研究院有限公司,上海200434)摘要采用正交试验设计方法对BPAC-UF去除微污染水源水中嗅味物质的工艺条件进行优化。根据组合工艺要求和单因素预试验的结果,确定炭池曝气强度、污泥回流间隔、炭池PAC更新率和膜池曝气方式这4个试验因
3、素,每个因素设置3个水平,共设计9组工况进行试验,并将嗅味物质(二甲基三硫醚、2-甲基异茨醇、(3-紫罗兰酮)及氨氮的去除率,跨膜压差的增长速率作为评价工艺运行效果和膜污染程度的指标。试验所得的最优工艺条件:炭池曝气强度为30L/h,污泥回流间隔为0.5h,PAC更新率为15%,膜池曝气方式为连续曝气。关键词生物粉末活性炭-超滤组合工艺正交试验嗅味物质氨氮跨膜压差中图分类号:TU991文献标识码:B文章编号:1009-0177(2017)03-0100-07DOI:10.15890/j.cnki.jsjs.2017.03.01
4、8ProcessConditionsOptimizationofTasteandOdorCompoundsRemovalinMicro-PollutedRawWaterTreatmentbyIntegratedProcessofBPAC-UFJiangXi1,XuanYongqi2,ShiJun1,ZhangWei1,DengHuiping1(i.CollegeofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China;2.Shangha
5、iInvestigation,Design&ResearchInstituteCo.,Ltd.,Shanghai200434,China)AbstractProcessconditionsoftasteandodorcompoundsremovalinmicro-pollutedrawwatertreatmentbyintegratedprocessofBPAC-UFwereoptimizedbyorthogonalexperimentaldesign.BasedontherequirementsofBPAC-UFandres
6、ultsofthesinglefactorpre-test,aerationintensityofcarbontank,sludgereturninterval,PACrenewalrateandaerationmodeofmembranebioreactorwereselectedasfourfactors,andeveryfactorhadthreevariablelevels.Nineschemesofprocessconditionsweredesignedbyorthogonaldesignmethod.Indexi
7、ncludingremovalratesoftasteandodorcompounds(DMTS,2-MIB,p-ionone)andammonianitrogen,growthrateoftransmembranepressurewereusedtoindicateprocessperformanceandmembranefouling.Theoptimalprocessconditionwasasfollowings:aerationintensityofcarbontankwas30L/h,sludgereturnint
8、ervalwas0.5h,PACrenewalratewas15%andmembranebioreactorwascontinuousaeration.KeywordsintegratedprocessofBPAC-UForthogonalexperimenttasteand