,,,(,113001):。,,、、、,。,20mg/L,20g/L,20°C,15min,,COD97.8%,COD81.5%。,。:;;:X7:A:1674-4829(2010)06-0018-030,、、[1]。:,,;,、;,,。,。。,,[2]。[3-4],、、、,。、、,[5-8]。,,[9]。,Mg3[Si4O10](OH)2。,2∶1,[MgO4(OH)2](1),:10A。,;,,。、[10]。,、,,。11.1,0.15mm。:2010-09-17:2010-11-01:(HSYF2010-13);(MYF2009-21).:(1984-),,,,:.ResearchonTreatmentofOilyWastewaterbyTalcumPowderFENGYun-shu,LIPing,CUIShuang,SHANGLi-yanAbstract:Inthispaper,thefeasibilityoftalcumpowderforthepurificationofoilywastewaterwasstudied.Gasolineanddieselwereselectedtopreparemimeticwastewatertoinvestigatevariousfactorsonthepurificationofoilywastewaterbytalcumpowder,includingoilywastewaterconcentration,talcumpowderdosage,reactiontemperature,stringtime,etc.Thebestadsorptionconditionsweredetermined.Theresultsshowedthatwhentheoilywastewaterconcentrationwas20mg/L,thetalcumpowderdosagewas20g/L,temperaturewas20°C,slowmixingtimewas15min,thetreatmentefficiencyofoilywastewaterwasthebest.TheCODremovalrateofgasolinewastewaterreached97.8%.TheCODremovalrateofdieselwastewaterreached81.5%.Theresultsshowedthattalcumpowderisanexcellentmaterialfortreatingoilywastewater.Keywords:Talcumpowder;Oilywastewater;Adsorption236201012EnvironmentalScienceandTechnologyVol.23No.6Dec.2010236110AOOHSiMg:,,,,-,。1.2ALC-210.4、、、85-2、LD5-2A、。1.3:①:0.1g,10min,,100mL,,,1mg。,;②:0.1g,10min,,100mL,,,1mg。,。200mL,,,,2min(300r/min),(50r/min),,10min(300r/min),COD。COD,COD(q):q=(1-b/a)×100%:aCOD;bCOD。,COD。22.12。25g/L,25°C,10min,。10~30mg/L,COD,10mg/L,COD92.3%,COD87.6%;15mg/L20mg/L,COD87.8%85.7%,COD74.0%63.6%;25mg/L,COD80.0%,COD23.3%,;30mg/L,COD75.6%,COD5.3%。,,COD,,。,,,,COD。,20mg/L,,。2.2,3。:20mg/L,25°C,10min。5~25g/L,COD,COD28.2%,46.8%,67.8%,85.3%85.4%;COD8.7%,28.2%,44.9%,64.0%64.5%。,,,,。,20g/L。2COD100806040200COD/%1015202530/(mg·L-1)3COD/(g·L-1)100806040200COD/%510152025192010122.34。20mg/L,20g/L,10min,,10~20℃,COD,10℃,COD58.3%26.5%;15℃,COD79.2%43.6%;20℃,COD84.5%65.1%;COD,25℃30℃,COD83.2%84.2%;COD64.7%65.3%。,20℃,COD,,20℃。2.4COD5。20mg/L,20g/L,20℃,2min,,5min10min,COD,COD53.1%85.4%,COD34.7%63.9%;10min,COD,COD97.8%,95.7%96.9%;COD81.5%,80.6%81.9%;15min,COD,,15min。3,,COD97.8%,COD81.5%。。,,,,,。[][1],,,.[J].,2010,23(2):64-67.[2].[J].,2006,4(5):27-28.[3],,,.[J].,2009,32(5):59-61.[4],,.[J].,2007,20(1):29-30.[5],,.[J].,2007(5):399-401.[6],,,.[J].,2007,30(6):102-104.[7]BINGao,YANGLiu-yan,WANGXiao-rong,etal.Influenceofmodifiedsoilsontheremovalofdieselfueloilfromwaterandthegrowthofoildegradationmicro-organism[J].Chemosphere,2000(41):419-426.[8],,,.[J].,2008,27(8):1155-1161.[9],,,.[J].,2009,29(2):1-5.[10].[D].:,2008.()4COD1008060402001015202530COD/%/℃5COD1008060402001015202530COD/%/min20