Fenton试剂活性炭吸附处理焦化废水的研究王春敏

第35卷第7期辽　　宁　　化　　工Vol.35,No.72006年7月LiaoningChemicalIndustryJuly,2006Fenton-王春敏,吴少艳,王维军(,063000)　　　:　Fenton-。pH、H2O2、[Fe2+]/[H2O2]FentonFentonH2O2;、、pH。,Fenton-:FentonH2O255mmol/L,[Fe2+]/[H2O2]=1∶10,pH=3;2.5g/L,pH=3,30min。,COD97.5%。　　:　Fenton;;:　TQ085+.4　　:　A　　:　10040935(2006)07038804　　Fenton(H2O2+Fe2+)H2O2Fe2+·OH[1～3],,,,Fenton。,,,,,。,,,。,Fenton,。1　1.1　HH-5COD,PHS-29A,DBJ-621。30%H2O2、FeSO4·7H2O、。,,,pH7.2,COD1935mg/L,、、,。1.2　(1)Fenton,PHS-29AH2SO4NaOHpH=3,FeSO4H2O2,,30minCOD。(2)Fenton,,DBJ-621,,COD。2　2.1　Fenton2.1.1　pHCODpHFenton,H2O2158mmol/L,[Fe2+]/　　收稿日期:　2006-01-22　　作者简介:　王春敏(1971-),女,讲师。[H2O2]=1∶10,pHCOD1。1　pHCOD1,pH3～4COD,pH=3COD,pHCOD,[4,5]。Fenton,pH,Fe2+,;pH,·OH,Fe2+Fe3+,pHH2O2,。2.1.2　H2O2CODpH3,[Fe2+][H2O2]1∶10,H2O2COD,2。2　H2O2COD2,CODH2O2,COD。H2O2H2O2,·OH,COD;H2O2,H2O2,H2O2·OH[6];,H2O2,Fe2+Fe3+,Fe3+,·OH。2.1.3　[Fe2+]/[H2O2]()CODH2O2158mmol/L,pH3,[Fe2+]/[H2O2]COD1。1　[Fe2+]/[H2O2]COD[Fe2+]/[H2O2]COD/(mg·L-1)COD/(mg·L-1)COD/%1∶20193524587.31∶15193523188.11∶10193519589.91∶51935173.7911∶31935235.887.8　　1,[Fe2+]/[H2O2],COD,[Fe2+]/[H2O2],[Fe2+]/[H2O2],COD。:Fenton,Fe2+,·OH;Fe2+,H2O2·OH,,。FentonFe2+,·OH·OH,。Fenton[Fe2+]/[H2O2]。1,[Fe2+]/[H2O2]1∶10～1∶5,[Fe2+]/[H2O2]=1∶10。2.1.4　H2O2COD,H2O2,Fenton,,。,H2O2,H2O2COD,2。389第35卷第7期　　　　　王春敏,等:Fenton试剂-活性炭吸附处理焦化废水的研究　　　　　　　　　　　　　　　2　H2O2CODH2O2/(mmol·L-1)COD/(mg·L-1)COD/%105273.225685.986.8133231.42098889.2158195170.189.991.2　　(:[Fe2+]/[H2O2]=1∶10,pH=3)。　　2,H2O2COD,,H2O2158mmol/L,COD(91.2%)(89.9%)1.3%。,H2O2Fenton,,。2.2　Fenton-2,H2O240mmol/L,COD72.1%,H2O2158mmol/L,COD89.9%,3,17.8%,Fenton。,Fenton,。,Fenton-。2.2.1　H2O2Fenton,,([Fe2+]/[H2O2]=1∶10,pH=3)H2O2,Fenton,3。3　H2O2Fenton-CODH2O2/(mmol·L-1)COD/(mg·L-1)COD/%COD/(mg·L-1)/%4054072.1240.887.655436.777.4143.292.680337.682.697.095.0105273.285.975.196.1　　(:1g/L,30min。)3,H2O240～55mmol/L,,H2O2,Fenton-COD,55mmol/L。,Fenton:H2O255mmol/L,[Fe2+]/[H2O2]=1∶10,pH=3。2.2.2　CODFenton,,COD,COD4。4　Fenton-COD/(g·L-1)11.522.53COD/%92.695.396.897.597.8　　4,,COD,2.5g/L,COD97.5%,COD48.8mg/L,。2.5g/L。2.2.3　pHCOD,2.5g/L,pHCOD5。5　pHCODpH3467810COD/%97.596.194.994.592.889.1　　5,pH,,pH3,,FentonpH3,pH3,,pH,。2.2.4　COD,2.5g/L,COD6。6　COD/min2030406090COD/%93.897.597.797.797.3(下转第406页)390　　　　　　　　　　　　　　　　　　　　　辽　　宁　　化　　工　　　　　　　　　　　　　　　2006年7月StudyonMonitoringTchniqueofDischargeofSewageinFushunCityJIAYi-ran,QIULing,WANGHan-meiAbstract:ThroughdiagnosisofinstallingthesewageflowmetersituationtotheFushuncity,accordingtoeachkindofsewageflowme-terprincipleandtheperformancecharacteristic,whichsewageflowmetertosuitthedifferentpollutionoutletofFushuncitywasstudied,thusthegoaltoprovidestheaccuratesewagecurrentcapacitydatafortheenvironmentcontroldepartmentwasachieved.Keywords:Sewage;Flowmeter;Wastewaterdischarge(上接第390页)6,30minCOD,,90min,COD,30min。,Fenton-,COD97.5%,COD48.8mg/L,。,Fenton-、,Fenton-,、。3　　(1)Fenton-,:FentonH2O255mmol/L,[Fe2+]/[H2O2]=1∶10,pH=3;2.5g/L,pH=3,30min。(2)Fenton,Fenton-,,COD97.5%,COD48.8mg/L,,。[1]　BossmannSH,OliverosE,GobS,etal.Newevidencea-gainsthydroxylradicalsasreactiveintermediatesinthether-malandphotochemicallyenhancedFentonReaction.Phys.Chem.A,1998,102(28):5542-5550[2]　ChenR,PignatelloJJ.Roleofquinineintermediatesaselec-tronshuttleinFentonandPhoto-assistedFentonoxidationsofaromaticcompounds.Environ.Sci.Technol.,1997,31(8):2399-2406[3]　ZeppRG.Hydroxylradicalformationinaqueousreactions(pH3-8)ofIron(Ⅱ)withhydrogenperoxide:thePhoto-FentonReaction.Environ.Sci.Technol.,1992,26(3):313-319[4]　,.Fenton..1994,13(3):26-34[5]　,,.Fenton.,2001,8(3):24-25[6]　,,.Fenton.,2001,27(6):11-14StudyonTreatmentofCokingWastewaterbyFenton-AdsorptionProcessWANGChun-min,WUShao-yan,WANGWei-jun(CivilEngineeringDepartmentofTangshanCollege,Tangshan063000,China)Abstract:Inthispaper,thetreatmentofcokingwastewaterbyFenton-adsorptionprocesswasstudied.First,theeffectsofaffectingfactorsonthetreatmentofcokingwastewaterbysingleFentonreagent,suchaspHvalue,H2O2dosage,theproportionofFe2+andH2O2,werediscussed,andtheeffectofH2O2dosageinoxidationstageonactivatedcarbonadsorptionwasdiscussedtoo;then,theef-fectsofactivatedcarbondosage,pHvalueandadsorptiontimeinadsorptionstage,werediscussed.Basedontheabovediscussion,theoptimaloperatingconditionsofFenton-adsorptionprocessweredeterminedunderwhichtheCODremovalofcokingwastewaterwas97.5%.Theoptimaloperatingconditionswereasfollows:H2O2dosageis55mmol/L,theproportionofFe2+andH2O2is0.1andpHval-ueis3inthestageofFentonoxidation;activatedcarbondosageis2.5g/L,pHvalueis3,andadsorptiontimeis30mininthefollow-ingstageofactivatedcarbonadsorption.Keywords:Fentonreagent;Activatedcarbonadsorption;Cokingwastewater406　　　　　　　　　　　　　　　　　　　　　辽　　宁　　化　　工　　　　　　　　　　　　　　　2006年7月