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(上海市自来水市南公司,上海 200002) ,。,,。,,4。 ProblemsRelatedtoAmmonia-NinWaterSupplyYueShunlin(ShanghaiWaterWorkersCompanyShanghai 200002)Abstract NH3makestheodorandcolorofwaterbadandgrayrespectively.It'stheimportantfactorofwatereutrophication,makesdifficultytoremoveMn2+fromwater,producesCNClasDBPsinwaterchlorina-tion,decreasesthebio-oxidationefficiencyoforganicmattersinwater.Aeration,break-pointchlorination,zeolite-filtrationandbio-oxidationwereintroduced,discussedandcomparedforNH3removal.Keywords ammonia-N eutrophication cyanogenchloride aeration break-pointchlorination zeo-litefiltration ,。,,。,。1 ,(NH3)(NH+4),。NH3+H2O NH+4+OHNH30.04mg/L,,GB3838Ⅰ-Ⅲ0.02mg/L。1.1 ,,,60:=(mg/L)0.4+≥5.0,,。,,,[1]I=0.2CODcr+0.1NH3-N0.3+×1.085T-10:T-℃ I≤8 I～15I15～35I≥35、,0.1mg/L,0.5mg/L,0.05mg/L,0.5mg/L。1993“12DOI:10.15890/j.cnki.jsjs.2001.02.003”,1.5mg/L。1.2 ,,1。1一些国家评价富营养化标准 (Vollenweider)[2][3]()mg/L0.01～0.030.1≤0.025≤0.200.01～0.030.03～0.090.3～0.651.5≤0.30≤2.00.2～0.70.5～1.3mg/L,,。,“”。:,,。:Geosmin2-MIB。2 ,DBPs,,,NO-2。。2.1 [4]Mn2+,MnO2,,,,,。2.2 ,,。NH3++Cl2※CN-,1993“”,70μg/L,CN-,,0.41.6μg/L。2.3 ,,—。,。,,,1mg/L,4.57mg/L,()。1mg/LCOD(),1mg/L。-,8-9mg/L,2mg/L,。,,。80—90%,。,[5]。3 :,,。,。3.1 [6],,。1.8×10-5(25℃),pH=7.0,[NH+4]=180[NH3],NH+4;pH=11,[NH3]=55[NH+4],NH3,,0.58m2,2.1m,,。pH11.0,0.12～0.16,NH390%。pH,,,,。3.2 :2NH3+3Cl2※N2+6HCl-,。3×35.45×2÷2×14≌7.6,9～10,、、,mg/L,。～μg/L,,,,。。3.3 [7],13 Vol.20NO.22001,,、、、、、,(),20—6095%,10%,250m2/g,100mg/g。,。,。。0.6～1.0m2～4m/h。4.0mg/L,0.5mg/L,2。2沸石滤柱高度与交换容量[7]gmh/dNH+4mgNH+4mg/g1301806136.51.0421030010258.31.2330045015423.01.4141060020664.21.610.5mg/L,。3—5%NaCl,8—10m/h,。。3.4 [8]。,,,,、,。,,,,,,。,2-3,YDT,4m,。,,。,,2m,,。,。6×106m3/d。4,3。3原水水质+℃5～3011.4～28.75～18NH3-Nmg/L0.28～5.830.5～3.51～4pH7.5～7.96.9～7.47.0～7.5CODMnmg/L5.72～9.795.91～13.9510～20CODCrmg/L——20～40BOD5mg/L——5～10TOCmg/L—15.3～48.120～30—35—Femg/L0.24～0.560.88—Mnmg/L0.08～0.330.25—mg/L0.0033～0.0075——4生物氧化处理设备工况及净水效率+ ℃5～305～2516～30m3/m2.h122.2340 mⅢ8YDT()3.9Ⅲ1.2,0.80NH3-N %35～9080～9052～88CODMn %5～1820～3010～24TOC %—25～2412～22BOD5 %—26～58(CODcr)24～31(CODcr) %0.002mg/L—50～96Fe %10～548020～28Mn %33～806528～54 %——80—0.5～0.7— ～1～120～7.3,[9],,。3.5 pH,,,5～10,。,。,,。,,,。1 .“”,,1993,12(12):21～262 VollenwciderRA.ScientificfundmentalsofthecutrophicationoflakesandflowingwaterwithparticularreferencetoNandPasfac-trsoincutrophication,OrganEconCoopDelParisTechnicalRep,No.DAS/CSI/68-27159PP.14 (解放军理工大学工程兵工程学院,南京 210007) 。,,。 DiffusionalControlledReleaseDisinfectantanditsKineticModelXieSitao DengZhengdong(EngineeringInstituteofEngineeringCorps,PLAUST Nanjiang 210007)Abstract Controlledreleasedisinfectantisanewanddevelopingresearchfield.Diffusinalcontrolledreleasedisinfectantsystemhasadvantagesoverothersystemsinrespectofpreparation,applicationandsoon.Inthispaper,theauthordiscussedthesystemandintroducedthecorrespondingkineticmodel.Keywords controlledreleasedisinfectant diffusion model preparation ,,。,,,,。,,,,。,,,。1 (ControlledReleaseTechnology)(ActiveAgent)(),,,,,[1]。50,,,、、、、,[2]。,、、[3],,3 .“”,,1990,12(5):p2～54 WHO.Guidelinesfordrinkingwaterquality2ndEd,Vol1,Rec-ommendation,Geneva1993,p405 .,,1995,,P506 .“”,,19867 GoodallJB.“BiologicalRemovalofAmmonia”OxidationTech-niquesinDrinkingWaterTretment,DrinkingWaterPilotProjectReportllAKarisruhe,1979,p5868 .“”,,1997,4:p4～109 .“”,1999,,1999.5.:,1926,。:200010 “”2000115 Vol.20NO.22001