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3512002(140)NORTHWESTERNGEOLOGYVol.35No.12002(Sum140):100926248(2002)0120056204,,,(,430074)::(PbCrHgNi);;J;;:;;:P619125:A1,,(),(),,,,26()(),75t,B+C+D23t,12,1816t,80%,,,,(),[1],,2Si2OAl2O21,Si2OSiAl3+,Al2OAl3+Mg2+Fe2+Zn2+Li+,(012016);(SiO2-3HSiO-3)(Al(OH)2+Al(OH)2+Al3+),;:2001202214;:2001211213:(19652),(),,,,pH,,,1Tab11Theexchangecapacityofioninmainclayminerals315720(2H2O)510(4H2O)4050808015020301040100150,,,(1),,,,,,,,::H+Al3+Ba2+Sr2+Ca2+Mg2+NH+4K+Na+Li+;:OH-CO2-3I-Br-Cl-NO-3SO2-4,,[2],,,2,,,,3311,Hg2+,:,Hg2+,015g,014810-3,Hg2+PbHgCd[3],Ca15%25%,pH=6,95%Cr(Î),Cr(Î)(Cr(Î)10mgöL),,Cr(Î)(Cr(Î)150mgöL),3%[4]Cr(Î),,751:Cr2ON1Pienemann(1994)pH,,[H+],H+,Cr(Î);pH,,pH,[OH-],Cr(Î)Cr(Ë),Cr(OH)3,Cr(Î),Cr(Î):,,Pb,pH=8,(011mgö500ml),Pb110mgöL,;(0115mgö500ml),Pb90%012mgö500ml,Pb95%[5]312(ZnO2,CuO2),:ZnO2CuO2:31145%31153%29132%[6]15%,313(J)(Al3+)JJ,,pH,JCOD,J,,J[7]314,(CPC)(CTMAB)(TPC),:25,CTMAB2CPC21171010-3871610-3(1015%)45,Al2(SO4)3,,COD[8]::TPC2CPC2(84108%)CTMAB2(60196%),1015TPC2Al2(SO4)3,,[9]:,200mgöL,0150göL,95%;1500mgöL,015110göL,90%,,,,852002,21:[1],1[M]1:,1994.2216,452501[2],1[M]1:,1985.19722081[3],1[J]1,1999,25(4):22622291[4],1Cr(Î)[J]1,1999,25(5):34423491[5],1[J]1,1996,9(1,2):862871[6],1[J]1,1995,17(1):152171[7],1[J]1,1999,19(4):32523291[8],1[J]1,1994,20(4):23622391[9],1[J]1,1996,22(2):10721111ApplicationsofmodifiedbentoniteinenvironmentalprotectionGUANJun2fang,CHENLin2li,LUQi,LEIXin2rong(ChinaUniversityofGeosciences,Wuhan430074,China)Abstract:Theapplicationsofmodifiedbentoniteinenvironmentalprotectionwerereviewed,includingremovalofheavymetalsfromindustrialwastewater,catalyticactiononphoto2chemicaldecompositionofAnilineinwater,treatmentofJacidandJacidindustrialwastewater,sorbp2nitrophenolandphenolfromwater,removingoilfromemulsifiedoilwastewater1Keywords:modifiedbentonite;sorption;treatmentofwastewater951: