粉煤灰处理生活污水董树军

董树军　何凤鸣　尹连庆　姚万业(,　071003)　　,,(COD),。,COD,1:10,86.0%95.1%。COD。pH、、COD。　粉煤灰　生活污水　吸附性能　X705:1996-07-08。　　,,,。,,。。。,、。,,;pH、、。1　:,105℃,。:。:,。:THZ-82,DFG-801,pSH-3C。2　24219974　　　　　　　JournalofNorthChinaElectricPowerUniversityVol.24No.2Apr.19972.1　、,,12。1　%SiO2Al2O3Fe23CaOMgO46.9529.014.822.091.5013.511.98g/cm0.62g/cm68.52　(mm)0.1540.154～0.110.11～0.090.09～0.0450.045(%)3.384.463.3833.5554.00,。SiO2、Al2O3、Fe2O3、MgO、CaO。、、,,,。2.2　50ml200ml,5g,(22±1℃),,COD,。:q=(C0-C)V1000m,q,mg/g;C0、CCOD,mg/l;V,ml;m,g。1　COD,1。1,12,,12。2.3　2.3.1　4200ml,50ml,2.5g、5g、7.5g、10g,12,CODCe,qe。2.3.2　,lgqelgCe:lgqe=-1.16+0.16lgCe84　　　　　　　19972　COD,0.99。qe,Cc,,,2。。2.4　1450ml(COD93.2mg/l),,CODqe,3。,,。,,5g/50ml,COD86.0%95.1%。,,,;,,。,。3　(g)0.40.81.02.02.53.55.0qe2.962.682.431.451.251.040.81(mg/g)8.744.683.851.961.621.170.89η34.046.052.162.367.278.086.0(%)75.080.582.884.586.788.095.12.5　,CODpH、、,。3　pHCOD2.5.1　pH(pH7.7)50ml,,2NH2SO41NNaOHpH2.1、4.0、5.9、10.0、12.0,1.5g,,COD,:η=C0-CeC0×100%3pH。852:　　3,,pH。pH,pH,,:、。。SiO2、Al2O3、Fe2O3,,。,CODpH,pH7.72.1,50.1%58.5%,pH。,pH,。2.5.2　,2g,50ml,4。4　COD(mm)0.18～0.1250.1～0.0710.071～0.0560.056～0.0450.045(%)37.923.318.110.85.33(%)70.561.056.053.743.5,,(),COD,。,,,,,;,,。,,COD。4。2.5.3　()4　COD950ml,,4。4,0.4g/50ml5g/50ml,34%86%。COD,,。5g/50ml,。5g/50ml(1:10)。86　　　　　　　19973　　(1)COD,5g/50mg,86%。(2)。(3)pH。,,pH,。(4),,COD。　　　1　..:,1987.446～4482　..:,1991.25～353　..,1989,44(1):14～164　..,1993,13(2):200～2055　GuptaGS.Removalofchromedyefromaqueoussolutionsbyflyash.Water,AirandSoilPollution,1988,37(6):13～24AStudyonRemovalofCODfromMunicipalWastewaterbyFlyAshDongShujun;HeFengming;YinLianqing;YaoWanye(Dept.ofEnvironmentEngineering,NCEPU,Baoding071003)ABSTRACT　TheabilityofflyashtoremoveCODfrommunicipalwastewaterisstudiedbybatchadsorptionexperimentsandiscomparedwiththatofactivecarbon.TheresultsshowthatCODcanberemovedeffectivelybyflyash.Whentheratioofadsorbenttoadsorbateis1:10,theremovaleffeciencyofCODofflyashandactivecarbonis86.0%and95.1%respectively.TheabsorptionfollowsFreundlichisotherm.Ithasbeenfoundthehighash-waterratio,acidicpHofthemediumandbigadsorbentparticlesizefavortheremovalofCODfromwastewater.KeyWords　flyahs;municipalwastewater;absorptionability872: