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催化学报  2014 

CO2mitigationbycarbonnanotubeformationduringdryreformingofmethaneanalyzedbyfactorialdesigncombinedwithresponsesurfacemethodology

DOI: 10.1016/S1872-2067(14)60018-8, PP. 514-523

Keywords: Factorialdesign,Carbondioxide,Reforming,Methane,Carbonnanotube

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Abstract:

?Afactorialexperimentaldesignwascombinedwithresponsesurfacemethodology(RSM)tooptimizethecatalyzedCO2consumptionbycokedepositionandsyngasproductionduringthedryreformingofCH4.TheCH4/CO2feedratioandthereactiontemperaturewerechosenasthevariables,andtheselectedresponseswereCH4andCO2conversion,theH2/COratio,andcokedeposition.TheoptimalreactionconditionswerefoundtobeaCH4/CO2feedratioofapproximately3at700℃,producingalargequantityofcokeandrealizinghighCO2conversion.Furthermore,RamanresultsshowedthattheCH4/CO2ratioandreactiontemperatureaffectthesystem'sresponse,particularlythecharacteristicsofthecokeproduced,whichindicatestheformationofcarbonnanotubesandamorphouscarbon.

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