Fenton高级氧化技术在高含盐工业废水处理中的工程化应用王伟龙

Fenton!100095FentonTDS≈3×104mg/LpH=3．6～4．050minH2O2982mg/LFeSO41379mg/L。2015791Fenton2SS4～7mg/L15～21COD30～35mg/L43mg/L《》A32．81/m3730．6。FentonX703．1AEngineeringapplicationsofFentonOxidationTechnologyinthetreatmentofhighsalinitywastewaterWangWeilongZhangMengnaLiQin*JiaXiaoxieZhenShengliBeijingGeoEnvironEngineering＆TechnologylncBeijing100029AbstractThispaperpresentstheresultsofeffectsandoperationalcostsobtainedinacasestudyap-plyingFentonadvancedoxidationtechnologyfortreatingwastewaterwithhighsalinityTDS≈3×104mg/Lfromrefractoryindustry．ThebestoperationalparametersobtainedareasfollowspHval-ue3．6－4．0theretentiontime50minthesuitabledosageofH2O2982mg/LthesuitabledosageofFeSO41379mg/L．TheoperationalresultsfromJulytoSeptember2015showedthat1Fentonadvancedoxidationtechnologyhasgoodperformanceintreatingwastewaterwithhighsalinityfromre-fractoryindustry2theSSoftheeffluentcanbestabilizedintherangeof4－7mg/Lthecolorcanbestabilizedintherangefrom15to21timesandCODcanbasicallybestabilizedintherangeof30－35mg/Lwithmaximumvaluelessthan43mg/LmeetingthedesignrequirementsfortheLevel1AofStandardforPollutantsDischargeofUrbanWastewaterTreatmentPlant3Thetotaloperationalcostperunitwateris2．81Yuan/m3wastewaterandthetotalfullcycleoperationalcostofprojectis7．306millionYuan．KeywordsFentonhighsalinityindustrialwastewaterengineeringapplicationscost2018－07－302018－09－071988－。[e-mail]1985－。[e-mail]·21·20186Vol．24No．61－3。、、。FentonFenton2－3、、、、、4－11。Fenton、、、、、、、。FentonFentonFenton。1260m3、、TDS3×104mg/L、、。30000m3/dFenton10Fenton。Fenton《》A。1。COD≤150mg/LSS≤30mg/L≤70pH=5～9COD≤50mg/LSS≤10mg/L≤30pH=6～9。11pH5．956～92SSmg/L27103CODCrmg/L131．8504BOD5mg/L6105mg/L＜0．0516mg/L0．10617mg/L2．2258mg/L8．73159mg/L0．1940．510703011mg/L0．1760．512/L30010313TDSmg/L3×10422．1。3Fenton、、。pH、COD、HＲTFentonCOD。。。2h。。。。1。1Fenton1·31·20186Vol．24No．611114。SS。2．2TDS≈3×104mg/LCOD=150±5mg/LSS=30±2=70±2pH=5～9。《》ACOD≤50mg/LSS≤10≤30pH=6～9。2．31．5m3/hFenton、。COD、SS、12。H2O228%H2O2H2SO415%H2SO4PAMPAM17000．3%PAMNaOH99%30%NaOHFeSO495%FeSO4·7H2O15%FeSO4。33．1pHFentonpH2～513pH=2～5pH。28℃30℃H2O2714mg/L893mg/L、FeSO41003mg/L1254mg/LHＲT80minpHSS8mg/L25。CODpHpHCOD。2pH3．2±0．2COD79mg/LCODpH3．8±0．2COD78mg/LCODpH2．6FentonH+Fe2++H2O2→Fe3++HO·+H+14－15pH4．4FentonpH·OH。CODFentonpH3．8±0．2。2pHCOD3．2HＲTFenton、Fenton30～60min1520～80minHＲT。28℃pH=3．8±0．2H2O21072mg/L120%、FeSO41505mg/L120%3HＲTSS5mg/L18。HＲT50minHＲTCODHＲT=50minCOD3HＲTCOD·41·20186Vol．24No．677%HＲT50minHＲTCOD。Fenton、Fenton50min。3．3H2O228℃30℃pH=3.8±0．2HＲT=50minH2O270%～120%625～1072mg/LFeSO4H2O215FeSO4878～1505mg/L。4、51H2O2SSSS2H2O2800mg/L16H2O2800mg/L3H2O2COD5H2O2110%H2O2982mg/LFeSO41379mg/LCOD43mg/LH2O2110%。H2O2982mg/LFeSO41379mg/L。4H2O2H2O2120%COD≤50mg/LCOD17FentonH2O2、Fe2+COD18－21。5H2O2COD3．4Fenton28℃、TDS≈3×104mg/LpH=3．6～4．0HＲT=50minH2O2982mg/LFeSO41379mg/L。44．1Fenton6。6。FentonpH=3．6～4．0COD。FentonpHPAM。《》A。4．2、Fenton、、、。2。·51·20186Vol．24No．62、Q=30000m3/d1Q=130m3/hH=18m5、FentonQ=30000m3/d2FentonΦ3．3×12．7m5310．0×4．0×4．5m545．0×4．0×4．5m55H2O230m35550L/h16FeSO430m35550L/h1730m310550L/h1830m35550L/h19PAM8kg/h110Q=171m3/hH=20m1441132m3/min5．0mH2O32112DN200513pH0．00－14．00±0．0110、Q=30000m3/d14Q=20m3/hH=20m42、Q=30000m3/d15Q=1300m3/h177m2/116Q=50m3/hH=7m2、17160m21．2MPa1．6MPa2tDs/t4、、、18PLC1、、19、1、3。3129×6．0×4．5m1、、、、。218×75×5．0m238．0×20×7．5m1+418．0×24×5．0m1+528．0×18×5．0m1+66．0×8．0×5．0m14．33260m3。pHpH。。1SS201579SSFentonSS≤32mg/LFenton·61·20186Vol．24No．6SS4～7mg/L9mg/L2mg/L。SS《》A。7～9。77SS88SS99SS2201579Fenton≤72Fen-ton15～21287。《》A。10～12。1071181293COD201579CODFenton137COD·71·20186Vol．24No．6148COD159CODCOD125～155mg/LFentonCOD30～35mg/L43mg/L77%。COD《》A。13～15。4．44。、、、2．81/m3730．6、。DTＲO、、Fenton、。4E1E2E3E4E0E2．36/m30．06/m30．08/m30．31/m32．81/m3730．65FentonpH=3．6～4．0HＲT=50minH2O2982mg/LFeSO41379mg/L。FentonTDS≈3×104mg/LCOD《》A2．81/m3。FentonFentonFBＲ－fentonFe2+、NaOH。1．J．200935318－22．2．J．20164210110－113．3．J．201137311－17．4．+FentonJ．20171131369－1374．5．J．2017111267－272．6．FentonJ．2015366639－643．7．FentonJ．20153672597－2603．8．FentonJ．201026393－95．9．FentonJ．2015159271－27422．10．FentonJ．20171142219－2226．11．FentonJ．20173651104－1111．42·81·20186Vol．24No．6。、。1．Ｒ．2015．2．M．1997351－352．3．M．2011．4．J．201322685－95．5．J．2017179109－111114．6．2011115J．2013361欁欁欁欁欁欁欁欁欁欁欁欁65－70．1812．M．4．2002．13．J．201137712－1633．14．Fenton－J．20142381327－1331．15．FentonCODJ．201725259－62．16PadovanJ．EndeffectsintwistedCordＲubbercom-positesJ．TireScienceandTechnology1996244321－338．17JardimWFＲohwedderJJＲ．Chemicaloxygende-mandCODusingmicrowavedigestionJ．WaterＲe-search19892381069－1071．18GhalyMYFarahJYFathyAM．EnhancementofdecolorizationrateandCODremovalfromdyescontai-ningwastewaterbytheadditionofhydrogenperoxideun-dersolarphotocatalyticoxidationJ．Desalination20072171/2/374－84．19．H2O2CODJ．2012341252－5660．20BabuponnusamiAMuthukumarK．AreviewonFentonandimprovementstotheFentonprocessforwastewatertreatmentJ．JournalofEnvironmentalChemicalEngi-neering201421557－572．21SinghSKTangWZTachievG．FentontreatmentoflandfillleachateunderdifferentCODloadingfactorsJ．WasteManag201333102116－2122．·24·20186Vol．24No．6