预览加载中,请您耐心等待几秒...
1/2
2/2

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

铁锰氧化物对苯酚氧化降解的实验研究 Title:ExperimentalStudyontheOxidationDegradationofPhenolbyIron-ManganeseOxides Abstract: Phenolisahazardousorganiccompoundwidelyusedinvariousindustries,anditspresenceinwaterbodiescanhavedetrimentaleffectsontheenvironmentandhumanhealth.Therefore,effectivemethodsforitsremediationareofgreatimportance.Thisstudyinvestigatestheoxidationdegradationofphenolusingiron-manganeseoxidesascatalysts.Theexperimentalresultsdemonstratethepotentialofiron-manganeseoxidesforphenolremovalandprovideinsightsintotheunderlyingmechanisms. 1.Introduction(200words) Phenolisacommonorganicpollutantinindustrialwastewater,originatingfromvarioussourcessuchaspetroleumrefining,coalprocessing,andresinmanufacturing.Itstoxicityandpersistenceinwaterbodiesmakeitasignificantenvironmentalconcernduetoitspotentialadverseeffectsonaquaticecosystemsandhumanhealth.Traditionalmethodsforphenolremoval,includingbiological,chemical,andphysicaltreatments,areoftenlimitedbytheirlowremovalefficiencyandhighcost.Therefore,thedevelopmentofefficientandcost-effectiveapproachesforphenoldegradationisdesirable. 2.MaterialsandMethods(200words) Theexperimentemployediron-manganeseoxidesascatalystsforphenoloxidationdegradation.Thesecatalystsweresynthesizedthroughasol-gelmethod,andtheirphysicochemicalpropertiessuchascrystallinity,surfacearea,andelementalcompositionwerecharacterized.Thephenoldegradationexperimentswereconductedinbatchreactors,withvariousparameterssuchascatalystdosage,pH,andinitialphenolconcentrationinvestigatedfortheireffectsonthedegradationefficiency. 3.ResultsandDiscussion(600words) Theexperimentalresultsrevealthatiron-manganeseoxidesexhibitexcellentcatalyticactivityintheoxidationdegradationofphenol.Thecatalystdosagewasfoundtohaveasignificantimpactonphenolremoval,ashighercatalystdosageledtoincreaseddegradationefficiency.TheoptimalpHforphenoldegradationwasobservedtobeintheslightlyacidicrange.Additionally,theinitialphenolconcentrationaffectedthedegradationrate,withhigherinitialconcentrationsrequiringlon