%0 Journal Article
%T Self-cleaningperovskitetypecatalystsforthedryreformingofmethane
%A Mar¨ª
%A Natividad P¨¦
%A rez-Camacho
%A Jehad Abu-Dahrieh
%A Alexandre Goguet
%A Kening Sun
%A David Rooney
%J ´ß»¯Ñ§±¨
%P 1337-1346
%D 2014
%R 10.1016/S1872-2067(14)60187-X
%X £¿Gas-to-liquidprocessesaregenerallyusedtoconvertnaturalgasorothergaseoushydrocarbonsintoliquidfuelsviaanintermediatesyngasstream.Thisincludestheproductionofliquidfuelsfrombiomass-derivedsourcessuchasbiogas.Forexample,thedryreformingofmethaneisdonebyreactingCH4andCO2,thetwomaincomponentsofnaturalbiogas,intomorevaluableproducts,i.e.,COandH2.Nickelcontainingperovskitetypecatalystscanpromotethisreaction,yieldinggoodconversionsandselectivities;however,theyarepronetocokelaydownundercertainoperatingconditions.WeinvestigatedtheadditionofhighoxygenmobilitydopantssuchasCeO2,ZrO2,orYSZtoreducecarbonlaydown,particularlyusingreactionconditionsthatnormallyresultinrapidcoking.WhiledopingwithYSZ,YDC,GDC,andSDCdidnotresultinanyimprovement,weshowthataNiperovskitecatalyst(Na0.5La0.5Ni0.3Al0.7O2.5)dopedwith80.9ZrO215.2CeO2gavethelowestamountofcarbonformationat800¡æandactivitywasmaintainedovertheoperatingtime.
%K Biogas
%K Reforming
%K Perovskite
%K Oxygenmobility
%K Dopant
%U http://www.chxb.cn/CN/abstract/abstract21443.shtml