Adsorption of carbon dioxide by coconut activated carbon modified with Cu/Ce

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摘要 Aseriesofthecoconutactivatedcarbons(CAC)basedabsorbentsmodifiedwithCuandCe(Cu/CAC,Cu/Ce/CAC)werepreparedbyimpregnationtechnologyforcarbondioxidecapture.TheadsocrptionequilibriumsofCO2onCu/CACandCu/Ce/CACweremeasured.TheresultsshowedthattheadsorptioncapacityofCO2ontotheactivatedcarbonmodifiedwithCu/Ceincreasedwiththedecreasingtemperatureinthesamepressure.TheadsorptioncapacityofCO2onCu/CACwashigherthanthatoftheblankCAC,andcomparedwiththeCu/CAC,theadsorptioncapacityofCO2ofCu/Ce/CACwiththemassratioofCu/Ce=30wasimprovedat298and303K.Inaddition,theadsorptionequilibriumdataforCO2atvarioustemperatureswasfittedtoLangmuir,FreundlichandD-Risothermmodels.ItwasfoundthattheD-RequationwasthebestmodelforfittingtheadsorptiondataonCu/Ce/CACatdifferenttemperatures.
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出版日期 2010年04月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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