地下水系统中石油污染物的吸附转移研究郑西来

261995i`(110054)(714。。0),,—;,,。ABSORPTIONTRANSFERENCESTUDYOFPETROLEUMCOTAMINANTINGROUNDWATERSYSTEMZbengXilaietal·(DepartmentofHydrogeology&EngineeringGeology,Xi’anInstituteofTeehnology)YanXieheng(No.2HydrologyBrigade,BureauofGeology&MineralResourees,ShanxiProvinee)AbstraetBasedontheabsorptiontheory,thispaperdiseussesthemultieomponentsabsorptionofthegroundwatersystem.Also,bytesting,irestablishesthedistributionrelationofthedissolved011betweenthesolidandliquidphasesabsorptionisothermalforrnula.Lateron,basedonthemeasuredabsorptionisother-nraleontourandbreakthroutheurve,theretardedeocffieientofthedissolved011inthegroundwatersystern15determined.TheneephasestransPosingKeywordspetroleumtheareconveetiondispersionmigrationofthereaerivepetroleumeontaminantandtheinterorganieallyeornbined.eontarninant;groundwarersystern;absorptionmigration;dissolved011;breakthroughCUrVe1,:,,37,,.,。,。,2·’〕,,。,99181,。()`,,,、b、C·1+、C`(i=1,…,n)(5)2,。,()。,,。,(x/m)(eC):x/mKdC,(1),K;x;m。(Langmiur)。2.1,,c`《1,`《1,:()(,,,!b、C·K*C、(i1,…,n)(6)(6),,,。()。e。X2ml+bC(2),(x/m);b,(E):b=boexP(E/RT)(3)b。;R;T。C,bC《1,(2)~()bC~aKC(4)Z2.2,i,3、,30950omL,50omL,1:1HZSO`,。(25℃)1h2,2h4,400mL50omL,,751(1)。,,。(1),,x/m=1.43Ce0.35(7)1123455.533.882.211110.55mg/L3.962.791.870.890.49mg/L26.1518.135.693.790.98g/g1,,,。28992811。22(R1)(31),}UJ(14)ttqú,11ǎ\1234(mg/L)144.1F;(c,F)(1,:)(,2)(,f(C,F)。;,f(c,F)o)。,()()f(C,F)n/,(,、_,.、,~、h、.、,,、,、___,F_、.)()()f(C,F)l22(8)f(C,F)n(1n)JF,Zt(9),CV(`]JCJxzl~—}Jx,、x,/(1,:)F2x,R1,(v,v`/RJ;,,/RJ),,R。4.26[],、100mmxlm),。、,:0.lmm.22%,.010.25mm62.4%.0.25~0.smm32.5%,0.smm2.9%。,,,460mm。,272mm,,,,751,(C)(t)(2)。ùtt9(10),FaC+(a,ao)(11),F;C。(10)/z0.80.61“{tjD__46810!l;...,J.Ll(h)(12)2Ct1998i4.3,,:xV`ot.5(23)C_JZC,,C—’~--,’—JtJZ`J,t0.5C。.5,220.5380。(23),、。,。5。,0xco,tO(15)C(x,O)=00xco(16)C(O,t)C。Otco(17)C(co,z)=00t(18),~D/R,v/RJ;D;V;c。。,VVto.:0.25X380___J—-—.UIFX4b,V,0.25em/min。5C(t,t)C。){e’,2。rfCxI,t`{v`2r(19)edy、,:(l),,,。(2),;,。(20)。,(19),C~1。21)xV’t/ZD`t(22)。。.,(0)C~10.50.50.5.Langmiur.,1990,(l)..,1984,(2)Larsen.etal.SorptionofHydrophobiePollutantsonNaturalSedirnents.WaterRes,1979,13..,1984,(2)..,199。,(6)..:,1985..:,1994(:9971010)