城市生活垃圾填埋场渗滤液粘度研究

3(,200092)CODCr100075000mgPL570,CODCr;;,3863(2001AA6440102003AA644020)()1,(CODCr100070000mgPL[1]),,,,,(Augenstein,5560[1]),,,2211NDJ27()11106mPas,,0102521500mPasDC30,212[2]CODCr100075000mgPL213,,spc=-00c[3];0();c,,,:,5,,,,3510,5701,3311,(1),,,312,2820052231,,,1mPasP[3]%5115191151-016101130711310121511139111511020110021101018250189040191212300179750181116400165290166111500154680156214600146650146-114700140420140-11031211(1)CODCr,,CODCr;,CODCr,260702,R20195,2CODCrPR25y=1E-05x+1153601988710y=9E-06x+11326601984515y=8E-06x+1116101995520y=7E-06x+1103401976725y=6E-06x+01926401972730y=5E-06x+01829601986440y=4E-06x+01692801951450y=3E-06x+01583601973860y=2E-06x+01522701827870y=2E-06x+014709016265(2),()[4]CODCr15000mgPL,,;CODCr15000mgPL,CODCr,;CODCr1000mgPL,,CODCrCODCr;CODCr,CODCr,()[5]CODCr10001500mgPL,60%CODCrCODCr,CODCr31212,,,,,6070,CODCr,,,313CODCr13100mgPL360,3148%3PPmPas%5117311692133101150114431481511301127215420111411131113300190018911094001740175-01725001610162-11606001530155-41547001450150-9133314,100070000mgPL,3060,015115mPask=cd2g3820052231k;c;d;;g;[6],3,110-2110-4cmPs[7]Townsend510[8],,,,,,4(1)CODCrCODCr(2),(3),1DonAugenstein,RaminYazdani.LandfillBioreactorInstrumentationandMonitoring.InLandfillBioreactorDesignandOperationSem.Proc.,EPAP600PR-95P146:5768.2,,,..,2004.24(2):304308.3..:,1994.4K.E...:,1978.5KangKi2Hoon,ShinHyunSang,ParkHeekyung.CharacterizationofHumicSubstancesPresentinLandfillLeachateswithDifferentLandfillAgesandItsImplications.WaterResearch.2002.36(16):40234032.6..:,1996.7..:,2001.8T.G.Townsend,W.L.Miller,J.F.K.Earle.Leachate2recycleinfiltrationponds.JournalofEnvironmentalEngineering.1995.121(6):465471.2000921239(021)[e-mail]2004-04-23:::4820052231PHTHALICANHYDRIDEANDFUSELOILShiShuncunetal(77)AbstractThepreparationofqualifiedphthalicC4C5mixedesterplasticizerinvolvesdirectesterificationofcrudephthalicanhydridewithfuseloilcatalyzedbysolidacidanddistillationoftheesterunderreducedpressure.Itwasindicatedbytrialproductionthatthetechniqueisfeasible.BothrateofrecoveryofphthalicanhydrideandC4C5alcoholcanexceed90%,andthedischargeofwastewaterisverylittle.Factorssuchastheratiooffeedingsandcatalyst,reactiontemperatureandtime,agitationandthedistillingpressurewerestudiedinthetest.Theoptimaltechnologicalconditionsareasfollows.(1)Foresterification,n(C4C5alcohol)n(C8H4O3)=2.61.0,amountofcatalystis1.5%ofthetotalmassofreactants,andthereactioniscarriedoutat110160for5hwithagitation.(2)Theesterisdistilledunderreducedpressure2.0kPa.Theexploitationoftechnologywillinaugurateanewapproachtothecomprehensiveutilizationofcrudephthalicanhydrideandfuseloil.Keywordscrudephthalicanhydride,fuseloil,comprehensiveutilization,phthalicC4C5mixedesterandplasticizerSTUDYONADSORPTIONOFCADMIUM()INWASTEWATERWITHMODIFIEDBENTONITELuoTaianetal(80)AbstractTheabilitiesintreatingCadmium()oforiginalandmodifiedbentonitehadbeencomparedinthisstudy.TheresultsshowthattheadsorptionofCd()bymodifiedbentoniteisbetterthanthatoftheoriginalbentonite.ThepHvalueofwastewaterandtheamountsofmodifiedbentonitewillgreatlyinfluencetheadsorptionofCd().Theadsorptivepercentagereached96%intreating40mgPLCd()wastewateratpH=89by4gPLmodifiedbentonite.ThecurvesofisothermaladsorptionoforiginalandmodifiedbentniteintreatingCd()areinlinewiththeequationofFreundlich.Keywordsmodifiedbentonite,cadmium()andadsorptionRESEARCHONTHEVISCOSITYOFTHELEACHATEFROMMUNICIPALSOLIDWASTELANDFILLSQuXianetal(82)AbstractTheviscosityofleachatewithdifferentCODCrconcentrations(from1000to75000mgPL)fromlaboratoryexperimentswastestedindifferenttemperature(from5to70centigrade).TheexperimentalresultsshowedthattheviscosityofleachateatsimilartemperaturesislinearwithCODCrconcentration.Thedifferentspecificviscositiesofleachatewithdifferentconcentrationswereascribedtothesoluteinleachate.Itisacceptabletoomittheinfluenceofviscositywhenstudyingthemoisturemovementinthelandfills.Keywordsmunicipalsolidwastelandfill,viscosityofleachateandspecificviscosityRESEARCHONCALCIUMCARBONATEINHIBITIONBEHAVIOROFPOLYEPOXYSODIUMSUCCINATEYuYuxinetal(85)AbstractTheeffectofseveralfactorsoncalciumcarbonateinhibitionbehaviorofpolyepoxysodiumsuccinateisstudied.Theexperimentalresultsindicatethatthepolyepoxysodiumsuccinateisanexcellentwatertreatmentagent.Itcanbeusedinwatersystemwithhighcalciumconcentrationandathightemperatureforalongtimeremainingsignificantscaleinhibition.Keywordspolyepoxysodiumsuccinate,scaleinhibitorandcalciumcarbonateSTUDYONMODIFIEDCLAY2LINERPERFORMANCEANDTHEANALYSISOFITSINFLUENCINGFACTORSDongJunetal(87)AbstractHexadecyltrimethylammoniumbromide(HDTMAB)andpolyaluminiumcationswereusedasdenaturanttoperformorganic,inorganic,andorganic2inorganicmodificationonthenaturalclayrespectively.Investigationswereconductedintoavailabilityandfeasibilityofthemodified2linerstocontanminantsremovalandleachatepenetrationcontrol.Variousinfluencingfactorsontheperformanceofthemodified2linerswerealsoanalyzed.Experimentalresultsindicatedthatthesorptionabilitiesandcapacitiesofthemodifiedclaywereimproved,theperm