Fenton试剂混凝沉降法处理丁苯橡胶生产废水中试

开发2013－09－15365337～340CHINASYNTHETICＲUBBEＲINDUSTＲYFenton－何琳，张媛，王小雄，文善雄，赵瑛，刘军730060:采用Fenton试剂－混凝沉降法，对某石化公司的丁苯橡胶废水进行了为期3个月的中试处理研究。结果表明，在进水的化学需氧量(COD)为600～1100mg/L、生化需氧量(BOD5)为140～250mg/L、悬浮物(SS)为0～400mg/L、pH值为4～11的情况下，经过Fenton试剂－混凝沉降法处理，系统出水COD小于350mg/L，BOD5小于150mg/L，SS小于50mg/L、pH值为6～9，出水水质满足GB8978—1996三级标准的排放要求，出水的BOD5/COD值由0.15～0.28提高至0.33～0.45，可生化性大幅提高。:丁苯橡胶;废水;Fenton试剂;催化氧化法;混凝沉降;可生化性;中试TQ333.9B1000－1255201305－0337－04100kt/aSBＲ、、、、、、、、、、SBＲ。70m3/h1。、、2。Fenton、34。SBＲFenton。FentonSSSBＲFenton。SBＲ1m3/h3。①11.1FeSO4·7H2O10%H2O227.5%APAMBG－Y606×1060.1%。1.2SBＲCOD600～1100mg/LBOD5140～250mg/LBOD5/CODB/C0.1～0.3SS0～400mg/LpH4～11。SBＲ①2013－04－032013－07－15。1979—。6。2008D－4707。Fenton40～50℃2hH2O210%FeSO4·7H2O4∶5pH3～115。1.31m3/h1。。SBＲH2O2FeSO4·7H2OpH7～9APAM。Fig1FlowchartofpilottestofSBＲwastewatertreatment1.4CODGB11914—1989BOD5HJ505—2009SSGB11901—1989pHGB/T6920—1986。22.1COD2COD。2CODFentonCOD。Fenton－◆—influent■—effluentofreactor△—effluentofsedimentationbasin○—removalrateofCODFig2CurvesofCODconcentrationanditsremovalrateofSBＲwastewaterCOD854mg/L255mg/L69.9%。COD600～1100mg/LCOD350mg/LGB8978—1996COD500mg/L。2.2SS3SS。SSAPAMFentonFeOH3、FeOH2、、SSSS◆—influent△—effluentofsedimentationbasinFig3CurvesofSSconcentrationofSBＲwastewater·833·36Fenton。SBＲSS0～400mg/LFenton－SS50mg/L。2.3pH4pH。FentonpHSBＲpHFenton5pH8～9Fe2+pH6～9。pH4～11pH7～9GB8978—1996。◆—influent△—effluentofsedimentationbasinFig4CurvesofpHvalueofSBＲwastewater2.4BOD5B/C5BOD5。BOD5FentonBOD5142～245mg/L205mg/L◆—influent■—effluentofreactor△—effluentofsedimentationbasin○—removalrateofBOD5Fig5CurvesofBOD5concentrationanditsremovalrateofSBＲwastewaterBOD579～135mg/L101mg/LBOD540.6%～64.2%50.2%。BOD5150mg/LGB8978—1996BOD5300mg/L。6B/C。SBＲB/C0.15～0.280.30。Fenton－B/C0.33～0.450.30B/C0.240.39。◆—influent■—effluentofreactor△—effluentofsedimentationbasinFig6CurvesofB/CvalueofSBＲwastewater3aFenton－SBＲ3CODBOD569.9%50.2%COD350mg/LBOD5150mg/LSS50mg/LpH6～9GB8978—1996。bFenton－SBＲB/C0.15～0.280.33～0.45。1.J.200634S1141－144．2.O3/H2O2J.200723355－58．·933·5.Fenton－3.FentonJ.20113411104－108．4ValderramaCAlessandricＲAunolaTetal.OxidationbyFenton’sreagentcombinedwithbiologicaltreatmentappliedtoacreosote-contaminatedsoilJ.JournalofHazardousMateri-als20091665594－602.5.FentonJ.2012353183－186．Pilottestofstyrene-butadienerubberwastewatertreatmentbyFenton’sreagent-coagulatingsedimentationprocessHELinZHANGYuanWANGXiao-xiongWENShan-xiongZHAOYingLIUJunLanzhouPetrochemicalＲesearchCenterPetroChinaLanzhou730060ChinaAbstractStyrene-butadienerubberSBＲwastewaterfromapetrochemicalcompanywastrea-tedbyFenton’sreagent-coagulationsedimentationprocessinapilotunitforthreemonths.TheresultsshowedthatthechemicaloxygendemandCODbiochemicaloxygendemandBOD5suspendedsubstanceSSwerelessthan35015050mg/Lre-spectivelyandpHvaluewas6－9ofeffluentofSBＲwastewateraftertreatedbyFenton’sreagent-coagulationsedimentationprocessundertheCODBOD5SSoftheinfluentofSBＲwastewaterwere600－1100140－2500－400mg/Lrespective-lyandpHvaluewas4－11.ThequalityofeffluentmetthedischargerequirementsofthethirdstandardofGB8978—1996andBOD5/CODvaluerangefrom0.15－0.28to0.33－0.45thebiodegrad-abilityoftheeffluentwasimprovedsignificantly.Keywordsstyrene-butadienerubberwastewaterFenton’sreagentcatalyticoxidationmethodcoag-ulatingsedimentationbiodegradabilitypilottest●国内简讯●、。201374《》。《》。《》。。。2017。201550%50%25%。。5%～7%。、、。。2015、20205601650kt3801420kt2012180kt40kt。(中国石油兰州化工研究中心田凤供稿)·043·36