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当前位置:首页 > 行业资料 > 冶金工业 > O3H2O2深度处理煤气化废水的实验研究王兰
O3/H2O2王兰1,2,乔瑞平1,2,3,俞彬2,3,徐大伟2,3,魏祥甲1,2,耿翠玉1,2,于丰玮2,3,曾华湘2,3(1.,101500;2.,100082;3.(),100051)[],。:40min、pH8.78、H2O2126.2、57mg/L,COD44.9mg/L,64.42%;6,99.00%;0.34NTU,68.81%;B/C0.040.34。O3/H2O2,pH。H2O2,,COD。[];;[]X703.1[]A[]1005-829X(2015)08-0026-05ExperimentalresearchontheadvancedtreatmentofcoalgasificationwastewaterbyO3/H2O2processWangLan1,2,QiaoRuiping1,2,3,YuBin2,3,XuDawei2,3,WeiXiangjia1,2,GengCuiyu1,2,YuFengwei2,3,ZengHuaxiang2,3(1.PotenEnvironmentResearch&DevelopmentCenter,Beijing101500,China;2.PotenEnvironmentGroupCo.,Ltd.,Beijing100082,China;3.Poten(Beijing)EnvironmentDesign&ResearchInstituteCo.,Ltd.,Beijing100051,China)Abstract:Advancedozoneoxidationprocesshasbeenusedfortreatingcoalgasificationwastewater.Theeffectsofvariousinfluencingfactorsonitstreatmenteffectivenessareinvestigated.Theexperimentalresultsshowthatunderthefollowingconditions:reactiontime40min,pH=8.78,andtheozoneandhydrogenperoxidedosageare126.2mg/Land57mg/L,respectively,theCODisdecreasedto44.9mg/L,theremovingratereaches64.42%,thechromaisde-creasedto6times,theremovingratereaches99%.Andtheturbidityisdecreasedto0.34NTU,theremovingratereaches68.81%.Meanwhile,theB/Cisincreasedfrom0.04to0.34.ThetreatmenteffectofO3/H2O2processisbetterthanthatofindividualO3oxidationprocess.Inaddition,theoptimumpHisdecreased.Experimentalresultsdemon-stratethatwiththesametotaldosageofhydrogenperoxide,theremovingeffectivenessobtainedbymultiple-dosingofhydrogenperoxideismuchhigherthanthatobtainedbyone-timedosing.ThehighestremovingrateofCODisachievedwhenthedosingamountofthehydrogenperoxideisincreasedgradually.Keywords:coalgasificationwastewater;ozonation;advancedoxidation、,,、、、、,、、〔1〕。,。,、、、〔2-4〕。,,。、〔5〕。,·OH,·OH,,CO2H2O,COD,,〔6-7〕。[](Y-01-14-02)35820158IndustrialWaterTreatmentVol.35No.8Aug.,201526,、pH、H2O2、。11.1UV2600,;AL104-IC,-();GWA-UN,;pHS-3CpH,;YE-TG-10P,;CTL-12A,。。,、、,、、、。:pH8.78、600()、BOD55.5mg/L、COD126.2mg/L、B/C0.04、8.8mg/L、1.09NTU。H2O2(30%)、H2SO4、Na2S2O3、NaOHKI。1.2,,,,KI(2%),1。1,60cm,3.5cm。,500mL,,。KI,。,0.1mol/LNa2S2O3,BOD5、、COD。。1.3CJ/T3028.2—1994《、、》。pHGB6920—1986《pH》。GB11903—1989《》。BOD5HJ505—2009《(BOD5)》。CODGB11914—1989《》。22.1O3COD3L,6,pH8.78,20、30、40、50、60、70min,O3COD,2。2COD2,,COD,40minCOD47.65%,95.80%。,COD。,40min。、、KI126.2mg/L。2.2O3pHCOD4L,8,40min,126.2mg/L,pH2.63、4.02、5.55、7.04、8.78、9.88、10.97、11.95,2015-08,35(8),:O3/H2O227pHCOD,3。3pHCOD3,pH,COD,pH9.88COD,52.51%、97.50%。pH,COD。O3:;,。pH9.88,OH-,HO2·,·OH,,。pH8.78。2.3O3H2O2COD3L,6,pH8.78,40min,126.2mg/L,H2O20、11、28、57、76、95mg/L,H2O2COD,4。4H2O2COD4,H2O2,COD,57mg/L,COD99.00%、64.42%。H2O2,COD。:H2O2HO2-,O3·OH,·OH,COD。H2O2,H2O2HO2-·OH:H2O2+·OH→H2O+HO2-;HO2-+·OH→OH-+HO2·,·OH。H2O257mg/L。2.4O3/H2O2pHCOD2.5L,5,40min,、H2O2126.2、57mg/L,O3/H2O2pHCOD,5。5O3/H2O2pHCOD5,O3/H2O2,pH,COD,pH8.78,COD99.00%、64.42%。H2O2HO2-,COD。pH8.78,,O3/H2O2pH8.78。,H2O2,pH。2.5O3/H2O2H2O2COD2L,4,pH2015-08,35(8)288.78,40min,、H2O2126.2、57mg/L,0、13、26、40minH2O2,1。O3/H2O2H2O2COD。1H2O2,1、2、3、4COD63.75%、66.40%、70.73%、66.08%。H2O2,H2O23COD,70.73%。:,·OH,,H2O2,。·OH,·OH,。,·OH,·OH,。·OH,H2O2,·OH。,,H2O2。·OH,·OH。2.6O3/H2O23L,6,pH8.78,40min,、H2O2126.2、57mg/L。O3O3/H2O2,0、7.8、15.6mg/L,COD,6。6,O3/H2O2。:O3/H2O2,·OH,COD·OH。·OH,COD。,·OH,。6O3O3/H2O2CODO3/H2O2,pH8.78,40min,O3、H2O2126.2、57mg/L,COD126.2mg/L44.9mg/L,64.42%;B/C0.040.34,;6006,99.00%;1.09NTU0.34NTU,68.81%;8.8mg/L2.7mg/L。O3/H2O2,GB8978—1996。3(1),O3/H2O2;O3/H2O2,pH。(2)O3/H2O2:40min,pH8.78,、H2O2126.2、57mg/L,、、COD99.00%、68.81%、64.42%;B/C0.040.34,。(3)H2O2,,H2O2,COD。(4)O3/H2O2,O3/H2O2COD·OH。,O3/H2O2。·OH,CO2H2O,/min0132640H2O2/(mg·L-1)1570002191919031218270427181202015-08,35(8),:O3/H2O229Mn/CdS崔玉民1,2,姜欣宇1,李慧泉1,2,苗慧1,2,陶栋梁1,2,孙倩1(1.,236037;2.,236037)[]Cd(CH3COO)2·2H2O、Mn(CH3COO)2·4H2ONa2S·9H2O,Mn/CdS,XRD、HRTEM。,Mn/CdS。:Mn2+Mn/CdS,w(Mn)0.50%Mn/CdS84.7%。[];;;[]X703.1[]A[]1005-829X(2015)08-0030-04PreparationofMn/CdSphotocatalystanditsphotocatalyticactivityCuiYumin1,2,JiangXinyu1,LiHuiquan1,2,MiaoHui1,2,TaoDongliang1,2,SunQian1(1.CollegeofChemistryandChemicalIndustry,FuyangTeachersCollege,Fuyang236037,China;2.AnhuiProvincialKeyLaboratoryforDegradationandMonitoringofPollutantoftheEnvironment,Fuyang236037,China)Abstract:UsingCd(CH3COO)2·2H2O,Mn(CH3COO)2·4H2OandNa2S·9H2Oasrawmaterials,Mn/CdSphotocata-lystshavebeensynthesizedbyaco-precipitatedmethod,andcharacterizedbyXRDandHRTEM.TheultravioletphotocatalyticactivityofMn/CdSphotocatalystisinvestigatedwithmethylorangeasmodelcompoundsofphotocata-lyticreaction.TheresultsshowthatthemassfractionofMn2+inthesampleshasimportantinfluenceontheultravioletphotocatalyticactivityoftheMn/CdSphotocatalyst.Whenw(Mn)is0.50%,photocatalyticdegradationrateofmethylorangebyusingMn/CdSasphotocatalystreaches84.7%.Keywords:Mn-doped;cadmiumsulfide;photocatalyst;methylorange[](1408085MB35);(2013SQRL058ZD);(KJ2014A191);(2013KJFH01);(2013JYFH05);(AH201410371010)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!COD,,,。[1].[J].,2012,32(5):73-75.[2],,,.[J].,2011,37(11):104-106.[3],,,.[J].,2012,163(6):30-32.[4]WangWei,HanHongjun.RecoverystrategiesfortacklingtheimpactofphenoliccompoundsinaUASBreactortreatingc
本文标题:O3H2O2深度处理煤气化废水的实验研究王兰
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