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Fenton张娴娴1,2,尹光志1,2,李东伟1(1.重庆大学资源及环境科学学院,重庆400044;2.重庆大学西南资源开发及环境灾害控制工程教育部重点实验室,重庆400044) :以焦化废水为研究对象,采用Fenton(Fe2++H2O2)试剂催化氧化法对焦化废水进行强化一级处理实验。重点考察Fenton试剂在不同反应条件下,处理焦化废水的效果和反应的影响因素。设计了反应时间、pH值、试剂投加量、试剂配比、反应温度、投加方式等6种不同反应条件下CODCr和酚的去除实验。综合各反应条件试验结果表明:CODCr去除率为88.12%,酚去除率为89.45%,达到最佳实验处理效果。:焦化废水;催化氧化;Fenton试剂:X784 :A :1008-4495(2005)02-0012-02 :2004-09-21:(1979-),女,山东人,硕士研究生,主要从事废水治理技术的研究与设计工作。 、、、,(、、、)、、。,,、、,、、[1,2]。,。Fenton、。1 ,CODCr,。1。1 /(mg/L)/(mg/L)CODCr2000～3000248016008008624312 2.1 pH3.0,FeSO4,H2O2,,。2min,5min,10min,20min,30min,1h,2h,3h,CODCr,1。1 1:5min,,CODCr、83.80%,45.60%。5min,。,5min。2.2 pHFeSO4,H2O2,,pH1.5,2.0,2.5,3.0,3.5,4.0。5min,CODCr,2。H2O2+Fe2+※·OH+Fe3++OH-,H2O2·OH[OH-],,H+OH-,[OH-],,H2O2。·12·2005年4月 矿业安全与环保 第32卷第2期[3]。2 pH2,pH,CODCr,pH=3,。pH2.5～3.5,CODCr,3.0,CODCr、61.00%,89.45%。2.3 H2O2H2O2H2O2/CODCr,Fe2+∶CODCr=1∶10,pH3.0,H2O2/CODCr=1.0,1.5,2.0,3.0,,5min,CODCr,3。3 H2O23,H2O2,H2O2/CODCr=3.0,。H2O2/CODCr=3.0,H2O2,,。H2O2/CODCr=3.0,CODCr、61.02%,83.30%。2.4 Fe2+Fe2+Fe2+/H2O2,H2O2∶CODCr=10∶1,pH3.0,Fe2+/H2O2=5,10,15,20,,5min,CODCr,4。4 Fe2+4,Fe2+/H2O2,。Fe2+/H2O210∶1,,15∶1,CODCr。,H2O2,OH、,H2O2,。,Fe2+。Fe2+/H2O2=10～15,83.42%～81.41%,,CODCr20.74%～45.10%,。,Fe2+/H2O2=15,CODCr、45.10%,81.41%。2.5 pH3.0,10,20,30,40℃。FeSO4,H2O2,,5min,,5。5 5,,,,30℃,25℃(58.92%)30℃(61.69%),25℃。2.6 pH3.0,FeSO4,H2O21、2、4,5min,,,CODCr,6。(下转第17页)·13·2005年4月 矿业安全与环保 第32卷第2期3 ()/%1B06 B07 C237.02C34 F525.03C313.54C15 C302.55E472.06C32 F531.57C14 F541.28F57 H65 C221.09D44、0.810C160.611C27 C39 S94C26 C36 C35D45 C33 M76C41 C17 C37E48 M75 C40 H630.412C18、、 F59 I66N80 O820.2:[1]曹树刚,李鹏,等.费率机制在工伤保险中的作用[J].重庆大学学报(社会科学版),2002,8(6):98-100[2]GB/T4754—2002,国民经济行业分类标准[3]孙树菡.工伤保险[M].北京:中国人民大学出版社,2000[4]大连市人民政府.大连市城镇企业职工工伤保险规定(1995年10月1日起实施)[A].葛蔓.工伤保险改革与实践[C].北京:中国人事出版社,2000:515-525[5]张靖霞.完善差别费率的缴费机制,创造性地开展工伤保险工作[A].葛蔓.工伤保险改革与实践[C].北京:中国人事出版社,2000:248-256[6]苗壮丽.我国工伤保险现状及其对策[J].工业卫生与职业病,2000(6):375-378[7]万成略.工伤保险费率水平与调节作用[A].中国金属学会'2001冶金安全年会论文集[C].出版地、出版者不祥,2001:15-18(责任编辑:熊云威)(上接第13页)6 6,H2O2,。H2O2,H2O2/Fe2+,Fe2+,H2O2+Fe2+※·OH+Fe3++OH-·OH,H2O2,。[4]。6,4CODCr(51.32%)2(50.80%),;2(75.13%),。,4、,2。3 Fenton,:25℃,pH=3.0,5min,H2O2/CODCr=2∶1,Fe2+Fe2+/H2O2=15∶1,2H2O2,Fenton,CODCr、88.12%,89.45%。:[1]G.zeppRichardetal.,Environ.Sci.Technol.,1984(18):358[2]C.D.Jaegeretal.,J.Phys.Chem.,1979(83):3146[3]陈卫国,朱锡海.电催化产生H2O2和·OH及去除废水中有机污染物的应用[J].中国环境科学,1998,18(2):148-150[4]李琳.多相光催化在水污染治理中的应用[J].环境科学进展,1994,12(2):23-29(责任编辑:熊云威)·17·2005年4月 矿业安全与环保 第32卷第2期English Abstracts of This IssueStudyonRelationofVariationofCoalConductivitywithGasPressure(1)-Inthispaper,theoreticalanalysisismadeonthegasabsorptioncharacteristicsofcoalandtheinfluenceofabsorbedgasandfreegasuponcoalconductivity.Experimentalstudyismadeonthevariationrelationofcoalconductivitywithgaspressurebymeasuringtheconductivityofdifferentcoalsamplesunderdifferentgaspressureinthelaboratory,andthetheoreticalstudyresultsarethusconfirmed.ExperimentalStudyonFormationofFlameandShockWaveinGasExplosion(4)-Intheprocessofagasexplosion,bothflameandshockwavearetwofactorsfordetermininghazarddegreeofanaccident.Inthispaper,thevariationofflameandpressureingasexplosionpropagationhasbeendeterminedexperimentally,andresearchismadeonthecharactersofflameandshockwaveinthegasexplosion.Theresearchresultsshowthattheturbulenteffectisthekeyfactorfortheaccelerationofflamepropagationandtheformationofshockwaveintheprocessofflamepropagationofagasexplosion,andtheflamepropagatingspeedhasadirectinfluenceupontheformationandenhancementdegreeoftheshockwaveintheexplosion.Onthebasisoftheexperimentalstudyresults,thepaperputsforwardsomesuggestionsforthepreventionofgasexplosionincoalmines.CriterionforRockBurstinTunnelandItsForecast(7)-Rockburstisacommongeologicaldisasterofdynamicdestabilizationinexcavationoftheundergroundengineeringchamberinhighstressarea.Inthispaper,theauthors,byanalyzingthestressofsurroundingrockofacirculartunnelandthecharacteristicsofcrackextensionwithinthesurroundingrockafterexcavationandusingthedestructioncriterionofGriffithstrengththeory,obtainedthecriterionexpressedbythetensilestrengthofrockforrockburstoccurredinthetunnelexcavation,whichcanbeusedforbetterpredictionofrockburst.Theauthorsputforwardthepredictionmethodforrockburstbytheoreticalanalysisandsitemeasurementaccordingtothecharacteristicsofrockburstoccurredinthetunnel.Thisresearchresultcanbeusedforsimilarprojectsforreference.ResearchonWaterAccumulatingVolumeinMineGob(10)-Theminingandwaterdrainagedesignofacoalminethreatenedbywaterdisasterisacomplicatedsystematicproject.Inthispaper,theauthors,takingthehydrogeologicalconditionsofQinshuiCoalFieldasbackground,basedondeepanalysisofthewaterinrushcauseineachmineandthroughthecollectionofagreatdealofdataandsimulatingtestsinthelaboratory,putforwardsuchamajorconceptionofwater-accumulationcoefficient,whichisofgreatimportancetothepreventionofwaterinrushinworkingfacesandtheguaranteeingofsafeproductioninminesandhasaguidingsignificancefortheminingandwaterdrainagedesignofminesthreatenedbywaterdis