贵州省赫章县土法炼锌过程中汞的释放量初步研究

,,.[J].,2005,25(6):836-839LIGuanghui,FENGXinbin,QIUGuangle.PreliminarystudyonmercuryemissionfromartisanalzincsmelterusingindigenousmethodinHezhangCountyofGuizhouProvince[J].ActaScientiaeCircumstantiae,2005,25(6):836-8391,2,1,3,1,21.,5500022.,100039:2004207230:2004202218:2005202220:.,.,:1tZn155gHg;1tZn79gHg.,.:;;;;:025322468(2005)0620836204:X51:APreliminarystudyonmercuryemissionfromartisanalzincsmelterusingindigenousmethodinHezhangCountyofGuizhouProvinceLIGuanghui1,2,FENGXinbin1,3,QIUGuangle1,21.StateKeyLaboratoryofEnvironmentalGeochemistry,InstituteofGeochemistry,ChineseAcademyofSciences,Guiyang,5500022.GraduateSchooloftheChineseAcademyofSciences,Beijing,100039Received30July2004;Receivedinrevisedform18February2005;Accepted20February2005Abstract:ArtisanalzincsmeltersusingindigenousmethodhaveexitedinHezhangcounty,Guizhouprovinceformorethanonehundredyears.However,thesystemicandlarge2scalesmeltingworkshavelastedlessthanthirtyyearssincethe80290thlastcentury.Mostofmercurywillemittotheatmosphereintheprocessofsmeltingaccordingtothepropertyofmercury.Theconcentrationofmercuryinore,scoria,coalandslagweredetermined,theresultsshowedthehighlysignificantpositivecorrelationcoefficientbetweenconcentrationsofmercuryandzinc.Then,usingmassbalance,themercuryemissionfactorofsulfideoreandoxideorewere155grammercurypertonzincand79grammercurypertonzincthroughcalculatingrespectivelyintheprocessofzincsmelting.Theemissionamountofmercuryinthesmeltingprocesscouldbeestimated.Andthefurtherstudyonenvironmentalhazardsofmercurytothelocalenvironmentiscalledfor.Keywords:HezhangCounty;Artisanalzincsmelterusingindigenousmethod;Mercury;Emissionfactors:;(No.40173037);(No.HdH03090).:(1977),,;3():E2mail:[e-mail]:ChineseAcademyofSciencesthroughAHundredTalentPlan;NationalNaturalScienceFoundationofChina(No.40173037);StateKeyLaboratoryFoundation(No.HdH030901)ofEnvironmentalGeochemistry,InstituteofGeochemistry,ChineseAcademyofSciences.Biography:LIGuanghui(1977),male,Ph.D.candidate;3Correspondingauthor,E2mail:[e-mail].(10410E10503E,2646N2728N)[1],,(10km2),208090..1.(1000).,,.SO2,.,(PbZnCuCd)[2].,.,.,.,[3].,:,;,25620056ActaScientiaeCircumstantiaeVol.25,No.6Jun.,20051Fig.1Theschematicdiagramoftheprimitivezincsmelting.,[47].,,,.,,.,.,,,.120029,4,()(1).,013015g,4mL(CEM,MDS22000)[8],3mLHNO3.,,2mLBrCl,1Table1Thesamplesstatisticsofdifferentsamplingsites(XGZ)3242(DPZ)1121(HZC)4444(HNZ)12474(TQ)121111711(Milli2Q)100mL,24h.,(CVAFS,Tekran2500)[9,10],,(CVAAS,F7322S).(PE,5100PC).22.Kolmgorov2Smirnov,HgZn,HgZnSpearman.,HgZn(r=01926,P0101,n=21).2Table2Themeasuringresultsofmercuryandzincinresearchareas(Zn)P(g.kg-1)(Hg)P(mg.kg-1)452(280560)66183(35.42156.99)540(340660)0155(0.063.91)201(160260)13130(0.7568.89)0133(0.161.10)2416(015110)0116(0.0950.34)0116(0.0950.34):3,,.3112,,95%..(1000).1,,(1000).312,23m,.,,:(Hg0),;.,:=-(1)7386:,,3:.,:.,.Fs=A-(1-)BD+B-(1-)CE-(1-)F+1M-ND(1)Fo=G-(1-)CH-(1-)F+2M-NH-(1-)F(2)=1-DPE(3)=E-F(4)=H-F(5)=E-(1-)FPE(6),Fs(gt-1);Fo(gt-1);ABCGMN(mgkg-1);DHEF(gkg-1);;;12(1=419,2=217);(=0115).,:1tZn155gHg;1tZn79gHg.Nriagu(1988)(1tZn845gHg)[3],Pacyna(2002)(1tZn20gHg)[4].,(1000),.313,19892001(19902002),(2).19892001,46t.[11].,2,19951,[12].1996,,,.1998,,,,20002.,2001,,,.219892001Fig.2Mercuryemissionfromtheprimitivezincsmeltingof198922001inHezhangCounty314(34),19901995,5113t.a-18714t.a-1;()015t.a-1.,111t.a-1319t.a-1.,,.31990[5,13]Table3Mercuryemissionfromnon2ferroussmeltingof1990inregionta-1(9097)813231912153111013015111[47],:80%,15%,5%.,.,015210a.,83825419901995[6,14]Table4Mercuryemissionfromzincsmeltingof1990andnon2ferroussmeltingof1995inglobeta-11990511311713111142107161011405101111995871415142514251171941416516319,,.41),,..2),.3),:1tZn155gHg;1tZn79gHg..4),.:(1968),,,.1998,2000.,50.(References):[1]ZhangQH,MaoJQ,GuSY.TheStudiesofore2formingmaterialsourcesofmetaldepositinHezhanglead2zincminc,ShuichengGuizhouprovince[J].JournalofGuizhouuniversityoftechinology,1998,6(27):2634(inChinese)[2]WuP,LiuCQ.Heavymetalsandtheirreleaseinthewastesresiduepileattheindigenouszincsmeltingarea[J].ChinaEnvironmentalScience,2002,22(2):109113(inChinese)[3]NriaguJO,PacynaJM.Quantitativeassessmentofworldwidecontaminationofair,waterandsoilsbytracemetls[J].Nature,1988,333:134139[4]PacynaEG,PancynaJM.Globalemissionofmercuryfromanthropogenicsourcesin1995[J].Warter,Air,andSoilpollution,2002,137:149165[5]PrasadPai,DavidNiemi,BillPowers.ANorthAmericaninventoryofanthropogenicmercuryemissions[J].FuelProcessingTechnology,2000,65266:101105[6]PacynaJM,PacynaEG,SteenhuisenFrits,etal.Mapping1995globalanthropogenicemissionsofmercury[J].AtmosphericEnvironment,2003,1(37):109117[7]PacynaEG,PacynaJM,PirroneN.Europeanemissionsofatmosphericmercuryfromanthropogenicsourcesin1995[J].AtmosphericEnvironment,2001,35:29872996[8]MaYJ,LiuCQ,QiL,etal.DeterminationofrareearthelementsinrocksamplesbyICP2MSusingmicrowavedigestion[J].Rockandmineralanalysis,1999,3(18):189192(inChinese)[9]FengXB,HongYT.Determinationoftracemercuryincoalusingpressurizeddigestionandtw