基于火花放电等离子体部分氧化重整二甲醚制氢研究.pdfVIP

第 39卷 第 11期 燃 料 化 学 学 报 VO1．39No．11 2011年 11月 JournalofFuelChemistryandTechnology Nov．2011 文章编号：0253—2409(2011)11-0844-06 Hydrogen production from partialoxidationofdimethyletherbyspark dischargeplasma M A Kui—feng．LIXing—hu (SchoolofTransportationScienceandEngineering，BeihangUniversity，Bering 100191，China) Abstract：Experimentsinvolvinghydrogenproductionfrom dimethylether (DME)wereperformedwithamultistageplasma conveneratatmosphericpressure．Theresultsofhteseexperimentsshow htathteDM_EconversionandH yieldinitially increaseand thendecreasewithhtepulsedutyratioincreasing．Th emaximalvaluesofhteDM匣 conversionandH yieldare87．6％ nad39．4％ atapulsedutyratioof80％ ，respectively．Ashteincreaseinvoltageofhteelectricsource，hteconversionnadH，yieldincrease significna tly，sincebothhtesprakenergy nadhteresidenttimeofasprak inchamberraeenhnaced．W henhteheatpreservation configurationorhum idifying reactnatisemployed，hteDME conversionratenad hteH2yield are ehn naced，while hte energy consumption ismuchlowerhtna stnadardsituationateachdischragefrequency nadhtehtemr al efficiency isehnna ced．Owingto insufficientoxygen．thecrabondepositisfomr edontheelectrodes．W iht hteincreaseinhteA／D ratio．htecrabondepositonboht theelectrodesisclearlyreduced． Keywords：plasma；hydrogenproduction；DMEconversion；H2yield；sprakenergy CLC number：U473．4 Documentcode：A The ermsslonsofgreenhouse gasesare mainly with catalystin seriesofr hydrogen production and due to combustion of natural gas and coal for achievedenergy effi ciency of1．21M J／ —H2，being transportation and industrialpurpose ofmankind． In togetherwihthighhyrdogenyield(89．9％)．Zheng face of the challenge posed by the increase of