微污染引黄水库水中有机物特性研究
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2020-03-07 10:09:11
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第41卷第1期2015年1月北京工业大学学报JOURNALOFBEIJINGUNIVERSITYOFTECHNOLOGYVo1.41NO.1Jan.2015微污染引黄水库水中有机物特性研究宋武昌,李星,贾瑞宝,杨艳玲,孙韶华(1.北京工业大学建筑32程学院,北京100124;2.山东省城市供排水水质监测中心,济南250021)摘要:为解决有机微污染水源水的工艺选择问题,以黄河下游地区某引黄水库为研究对象,分析了有机物含量的年度变化规律,研究了比紫外吸收值(SUVA)、分子质量分布、消毒副产物生成势(DBPFP)、嗅味物质等有机污染特性.结果表明:引黄水库水有机物含量全年变化幅度不大,耗氧量平均为2.32mg/L,uV:平均为0.045am~,p(DOC)平均为2.32mg/L;但芳香化构造程度较高,以小分子有机物为主,分子质量<3ku的约占总量的70%;消毒副产物生成势较高,以三卤甲烷为主,占DBPFP总量的94.6%,其中CHC13占77%;二甲基异蚨醇含量较高,呈季节性变化,主要由蓝藻中的浮丝藻、颤藻等的代谢产生;引黄水库水有机物特性与黄河来水水质、沉砂调蓄过程及水力停留时间等因素有关,适宜选择臭氧活性炭深度工艺进行处理.关键词:引黄水库水;有机物;比紫外吸收值;分子质量分布;?肖毒副产物生成势;嗅味中图分类号:Tu991.11;X824文献标志码:A文章编号:0254—0037(2015)O1—0131—06doi:10.11936/biutxb2O14010027InvestigationofCharacteristicsYellowRiverofOrganicsintheMicro—pollutedReservoirWaterSONGWu—chang',LIXing。,JIARui.bao,YANGYan—ling,SUNShao.hua(1.CollegeofArchitectureandCivilEngineering,BeijingUniversityofTechnology,Beijing100124,China2.ShandongWaterandWastewaterMonitoringCenter,Jinan250021,China)Abstract:Toselecttheprocessforsourcewaterwithorganicmicro—pollution,theannualchangesoforganiccontent,specificuhravioletabsorbance(SUVA),disinfectionbyproductsformationpotential(DBPFP),molecularmassdistribution,tasteandodorwereallanalyzedinamicro—pollutedreservoir,whichtookwaterfromthedownstreamoftheYellowRiver.Resultsshowedthattheorganiccontentschangedslightlythroughouttheyear,andtheaverageofoxygenconsumption,UV254,DOCwere2.32mg/L,0.045am~,2.32mg/L,respectively.However,theSUVAwashigher;smallorganicmoleculeswasthemost,mainlyto70%ofit(<3ku);DBPFPwasalsohigher,andTHMsaccountedfor94.6%ofDBPFP,withCHC13accountedfor77%.The2-methylisob0rneol(2-MIB)concentrationchangedwithseason,whichaccordedtothealcoholcontentandmetabolizedbyCyanobacteria,suchasPlanktonema,OsciUatoria,etc.TheorganicscharacteristicsofthereservoirwaterwereassociatedwithHRToftheprocessofsandsetting,storagefromtheYellowRiveranditssourcesoforganicmatters.Ozonebiologicalactivatedcarbonprocesswasappropriatetobeusedfortreatment.收稿日期:2014-01—14基金项目:国家科技重大专项资助项目(2012ZX07404—003);国家科技惠民计划资助项目
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