多花黑麦草对黄金废水净化与富集的研究

3(49371057).3(,210008)();;.(Loliummultiflorum)(),.,,.[13],,.,.,,,5309716g/t,.1111,1520cm,.(1027),45().2530cm,.112(99199%),:110000g,,20%,1mg/mL,,,pH7.,30cm,30cm.,,15kg,015mg/L110mg/L210mg/L.0120kg(),(,).,()..:Au()2,.2211,(1018,1317),18519989ACTASCIENTIAECIRCUMSTANTIAEVol.18,No.5Sept.,1998.48h,.,015mg/L(15kg,012kg),99102%,110mg/L98156%.()10%31%(1).1Fig.1Thepurificationprofileofgold2bearingwastewaterbyLoliummultiflorum212,,(Eichhorniacrassipes),,.,24h,,48h(12).1Table1AbsorptioncapacityforgoldbyLoliummultiflorum,h,kg,kg,,015kgL-1,mgL-1(R,%)110mgL-1,mgL-1(R,%)210mgL-1,mgL-1(R,%)241501210151510010110(97180)010560(94140)017880(60160)481501213141318010049(99102)010089(99111)010289(98156)721501217161515010013(99175)010020(99180)010010(99195)961501217151710010020(99160)010110(98190)010010(99195)1201501213101315010015(99170)010065(99135)010092(99154)2Table2AbsorptioncapacityforgoldbyEichhorniaCrassipes,h,kg,kg,,015kgL-1,mgL-1(R,%)110mgL-1,mgL-1(R,%)210mgL-1,mgL-1(R,%)2415011128102710(100)(100)(100)4815011128152715(100)(100)(100)7215011130102810(100)(100)(100)12015011129102716(100)01072(9218)01145(92175)455182135,,.,015mg/L:176g/t,122319g/t;110mg/L,552g/t,214413g/t,210mg/L784g/t,309716g/t.,(3).3Table3AccumlationcapacityforgoldbyLoliummultiflorum,h015mgL-1,g/t,g/t110mgL-1,g/t,g/t210mgL-1,g/t,g/t1201218(1315)310410(9816)31719(1810)314516(13517)32510(2510)320317(20317)3178(230)3122319(159914)3552(558)3214413(224911)3784(672)3309716(265510)331802803:1),210mg/L,1412(20317g/t,309716g/t);2),.210mg/L110mg/L015mg/L.210mg/L,,,,015mg/L012kg0121kg,110mg/L012kg0128kg,210kg/L012kg0128kg..3,,,,10,.:012013g/m3,35g/t,()122319g/t309716g/t,,.,.,.1..,1992,12(1):9152,..,1993,4(3):3343373DaiQY,ChenYG,ZhouWP.Studiesonthepurificatonofsilver2bearingwastewaterandthereclamationofsilverbyEich2horniacrassipesandotheraquticplants.ChineseScienceBulletion,1992,36(12):102810325555:STUDIESONTHEPURIFICATIONANDACCUMULATIONOFGOLD2BEARINGWASTEWATERWITHLOLIUMMULTIFLO2RUMDaiQuanyu(NanjingInstituteofGeographyandLimnology,ChineseAcademyofSciences,Nanjing210008)CaiSuwei,ZhangXiuying(InstituteofGeologyandMineralResourcesofJiangsuProvince,Nanjing210008)ABSTRACTThepurificationandaccumulationofgoldingold2bearingwastewaterwithLoliummulti2florumwerestudied.Inthestaticexperiment,thewastewatervolumewas15liters,plantweightwas0.2kg,andoriginalconcentrationsofgoldwere0.5mg/L,1.0mg/Land2.0mg/l,respectively.After52daydetention,purificationratesofgoldwere99.70%,99.35%and99.54%accordingly.Theaccumla2tionamountsofgoldinrootashwere223.9g/t,2144.3g/tand3097.6g/t,respectively.Therefore,thisstudyoffereddefinitescientificfoundationsforpurifyinggold2bearingwastewater.Keywordsgold2bearingwastewater,Loliummutifforum,purificationandaccumulation.1996212203199720423065518