船舶压载水处理技术及其优缺点_冯云霄

理方法研究[J].自然杂志,2002,24(4):56-58.[24]LAFONTAINEYD,DESPATIESP,WILEYC.EffectivenessandPotentialToxicologicalImpactofthePERACLEANOceanBallastWaterTreatmentTechnology[J].EcotoxicologyandEnvironmentalSafety,2008,71:355-369.TECHNOLOGIESOFBALLASTWATERTREATMENTANDTHEIRADVANTAGESANDDISADVANTAGESFengYun-xiao,YangQin,FangZhen-dong,ZhangKai(LogisticEngineeringUniversity,Chongqing401331,China)Abstract:Theballastwaterisnecessaryforthenavigation,butsimultaneouslyisseriouslyharmfulfortheecologicalenviron-mentoftheocean.Therelatedcountriesandorganizationsintheworldappealedthattakethereasonableandeffectivemanage-mentmeasuresandthetreatmenttechnologiestoguaranteetheballastwaterdischargedwithhazard-free.Tofundamentallysolvetheballastwaterproblemsonlydependingonthemanagementmeasuresisnotenough,andalsoneedstostudytheeffec-tivetreatmenttechnologies.Therefore,thisarticlewasbrieflyintroducewidelyusedballastwatertreatmenttechnologiesandanalyzeadvantagesanddisadvantagesofeachtechnology.Keywords:ballastwater;treatmenttechnology;advantagesanddisadvantages作者简介:冯云霄(1986-),男,硕士生,主要从事环境安全与环境管理研究。(上接第56页)USINGNITROGENANDOXYGENISOTOPETECHNIQUESTOIDENTIFYTHESOURCESOFNITRATEINSUBTERRANEANSTREAMOFZHAIDI,GUILINWangSong1,2,PeiJian-guo1,LiangJian-hong1(1.InstituteofKarstGeology,CAGS,KarstDynamicsLaboratory,MLR,Guilin541004,China;2.GuangdongEngineeringInvestigationInstitute,Guangzhou510500,China)Abstract:Nitrate(NO-3)contaminationofgroundwaterisacrucialenvironmentalprobleminmanyregionsoftheworld,whichresultsfromintensiveagriculturalactivities,industrializationandurbanization.KnowledgeofthesourcesofNO-3con-taminationingroundwaterisimportantfordrinkingwaterprotection,especiallyforsensitivekarstaquifersinsouthwestChina.δ15Nandδ18OdataofNO-3havebeenfrequentlyusedtoidentifyNO-3sourcesingroundwater.Inthispaperatypicalsubterra-neanriverinkarstregions,ZhaidisubterraneanstreamandotherfiveswereinvestigatedinZhaidibasin.Basedonwaterhydro-chemicaldata,δ15Nandδ18OdataofNO-3provideevidenceforthesourceofdominantNO-3inZhaidi