Ni-CaO-ZrO2催化剂上甲烷-二氧化碳重整反应研究的开题报告-第一文库 | 海量文档资源下载与分享平台

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Ni-CaO-ZrO2催化剂上甲烷-二氧化碳重整反应研究的开题报告Title:StudyonMethane-CarbonDioxideReformingReactionoverNi-CaO-ZrO2CatalystIntroduction:Theutilizationofmethaneasacleanenergysourcehasdrawnincreasingattentionduetoitsabundantreservesandlowcarboncontent.Meanwhile,carbondioxideisamajorgreenhousegascontributingtoclimatechange.Thereformingofmethaneandcarbondioxidehasbeenconsideredasapromisingwaytoproducesyngas,whichcanbefurtherconvertedintofuelsandvaluablechemicals.Inthisregard,thedevelopmentandoptimizationofcatalystsformethane-carbondioxidereformingiscrucial.Objectives:ThisstudyaimstoinvestigatetheperformanceofNi-CaO-ZrO2catalystinmethane-carbondioxidereformingreaction.Morespecifically,theobjectivesare:1.SynthesizeandcharacterizeNi-CaO-ZrO2catalystswithvaryingcompositions.2.Evaluatethecatalyticactivity,selectivity,andstabilityofNi-CaO-ZrO2catalystsinmethane-carbondioxidereformingreactionundervariousreactionconditions.3.Investigatetheeffectofcatalystcomposition,reactiontemperature,H2O/CO2ratio,andspacevelocityonthereactionperformance.Methodology:1.Catalystsynthesis:Ni-CaO-ZrO2catalystswillbesynthesizedusingaco-precipitationmethod.Thecatalystswillthenbecalcined,andcharacterizedbyXRD,BET,TEM,andTPRtechniquestodeterminetheirphysicalandchemicalproperties.2.Catalyticperformanceevaluation:Methane-carbondioxidereformingreactionwillbecarriedoutinafixed-bedreactorusingthesynthesizedcatalysts.Thereactionconditionswillbevariedtostudytheeffectofdifferentparameters.TheproductsofthereactionwillbeanalyzedbyGCtodeterminetheircompositionandselectivity.3.Mechanisminvestigation:Thereactionmechanismwillbestudiedbyperformingisotopictracingexperimentsbyintroducing13ClabeledmethaneandCO2.ExpectedResults:ThisstudywillprovideinsightsintotheperformanceofNi-CaO-ZrO2catalystinmethane-carbondioxidereformingreactionanditspotentialapplications.Itisexpectedthatthecatalystwithoptimizedcompositioncanachievehighcatalyticactivity,selectivity,andstabilityunderthestudiedreactionconditions.Thereactionmechanismwil