不同组合净水工艺对水中致突变物的去除周立红

20119991　　　　　　ENVIRONMENTALSCIENCEVol.20,No.1Jan.,1999周立红　张淑琪　韩　飞　吴红伟　张丽萍　王占生(,100084)　5Ames,,,MR,TA98MR1L/0.5L/,40.2%41.9%.B、C、E,,TA98TA100MR2.B,,,77%.　,Ames,,,.:,34,,:1998-04-23AStudyontheRemovalofMutagensfromWaterbyVariousUnitedWaterPurificationProcessesZhouLihong　ZhangShuqi　HanFei　WuHongwei　ZhangLiping　WangZhansheng(Dept.ofEnviron.Sci.andEng.,TsinghuaUniversity,Beijing100084)Abstract　Thesourcewaterandeffluentsoffivekindsofwaterpurificationprocesswerestud-iedbyAmestests,theresultsshowthatbioceramiccanremovedirectmutagenspartly,andde-clinetheMRvalueoftherawwater.Asthedoseswere1L/platewaterand0.5L/platewater,theMRvalueofTA98decreased40.2%and41.9%fromtherawwater,respectly.B,C,Epro-cessesincludingunitsofbioceramicandactivatedcarbonwerethemosteffectivetoremovedi-rectmutagensfromwater,theMRvaluesofTA98andTA100werebelow2underthetesteddoses.ThemolecularweightdistributionoforganiccompoundsthroughvariousunitofwaterpurificationinprocessesBwasdetectedbymembranefiltration,theresultshowsthattheunitsofprocessBcansupplementeachothertoremoveorganiccompounds,thetotalrateofremov-ingorganiccompoundsofdifferentmolecularweightwasover77%.Keywords　unitedwaterpurificationprocesses,Amestest,membranefiltration,organiccom-pound,mutagens.　　[1-5].,,.,.Ames,,.,,.1　1.1　.:A:→→→→B:→(0.8mg·L-1)→DOI:10.13227/j.hjkx.1999.01.011→,,→→C:→→,,→→D:→→,,→E:→→→→1.2　AmesRTA98TA100.,S9[6].S9,.4,2,(DMSO,AR)(100μl·-1);TA98TA100Ⅲ(100μl·-1)(1.5μl·-1).,1.MR().MR≥2,-.1.3　BB,.0.45μm,(10000→3000→500).TOC,.TOCTOC-5000,≤2%.2　2.1　Ames1,TA98,0.25L·-1,MR3.3,.,.A,2MR,(→→).10000,3000.Ames2000[7].D,TA98,TA100.1L/,TA98MR7.9AD,7.163.09,10.4%50.6%.0.5L/,TA98MR4.75AD4.342.36,8.4%50.3%.D,,,Ames.(500).B、C、D,TA98TA100.CD,,CDTA98,500—3000[9],,.Ames.5,,.2.2　B2.2,,300062%,.1,500—3000,,.50044　　　　　　201　/L·-1MR(TA98)/L·-1MR(TA100)211.152.0717.921.940.54.7511.590.253.30.51.47A17.1652.650.54.3421.160.253.3411.170.1252.630.50.95B51.5751.1021.221.0711.211.090.50.90.51.17C51.3650.8720.820.9311.211.130.51.430.50.77D59.6450.9624.4321.4413.0911.090.52.360.51.59E51.6450.9521.2320.7211.0910.900.51.250.50.9620.7%67.5%.,.　　,3000—10000500.18.7%35.4%.D().500—300010000—0.45μm.,.,.　　(、、).300070%.1　,49.6%500.A.500—3000,,,,*.*..1994.,3000—10000,4.17%,67.3%.23.5•(40•),3000,,Ames.(40—1000•),.,,.B,,,.、、.,,Ames,.451　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　2　DOCDOCDOCDOCDOC/mg·L-1/%/mg·L-1/%/mg·L-1/%/mg·L-1/%/mg·L-1/%10000—0.45μm0.33119.310.38317.60.57427.90.17012.40.02311.13000—100000.32118.70.32114.70.26112.50.0240.20.02311.1500—30000.70841.30.0030.10.30914.80.49636.20.16277.85000.35420.71.47067.50.94945.30.68049.6003　(1),..(2)B,、,.(3),,.1　..,1994,10(5):37—402　MatiaLi.Theaffectsoftreatmentsonthepresenceofor-ganicmicropollutantsandtheirmutagenicactivity.WaterSupply,1989,7(5):41—453　LiLingzhi,ZhouRong,WangZhansheng.Comparisonofeffectforremovingmutagensandinoganicionsintapwa-terbyReverseOsmosisandNanofiltration.Chin.J.ofEn-viron.Sci.(HUANJINGKEXUE),1997,18(5):65—674　ZhangShuqi,WangGenfeng,HuJiangyong.Astudyonre-ducingthemutagenicityofgroundwater.JournalofShanghaiJiaotongUniversity,1996,30(12):73—755　DaiShugui,RaoXin,WangJuxian.Removalofpriorityor-ganicpollutantsinstabilizationponds.WaterResearch,1994,3(28):681—6866　MaronDM,AmesBN.RevisedmethodsfortheSalmonrel-laMutagenicity.Mutag.Res.,1983,113(3):173—1787　FallonRD,FiliermansCB.Chemosphere.1980,9(7/8):385—391Internet8.[]InternetResourcesfortheEnviron-mentScientistsInternet[]～deouncil/env.html,、、、、、、、、、、、、Web.9.[]EnvironmentalEngineeringandEn-vironmental()[][]InternetEnvironmentalResources(Internet)[]～zoocwis/zoo-121b/eco/env.htmlx;[]EnvironmentAustraliaonline()[][]EnvironmentalEngineeringResoucesontheInternet(Internet)[](武汉大学环境科学系吴峰、黄柱梁和邓南圣供稿)46　　　　　　20