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Ni/MgO-CeO_2催化低温乙醇水蒸气重整制氢 被引量:11
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作者 石秋杰 刘承伟 谌伟庆 《中国稀土学报》 CAS CSCD 北大核心 2009年第3期319-326,共8页
采用固相燃烧法制备了MgO,CeO2载体和不同摩尔比的MgO-CeO2复合载体,采用浸渍法制备了Ni/MgO,Ni/CeO2,Ni/MgO-CeO2系列催化剂,考察了各催化剂催化乙醇水蒸气重整反应的性能。用BET技术测定了载体的比表面,并用X射线衍射(XRD)、程序升温... 采用固相燃烧法制备了MgO,CeO2载体和不同摩尔比的MgO-CeO2复合载体,采用浸渍法制备了Ni/MgO,Ni/CeO2,Ni/MgO-CeO2系列催化剂,考察了各催化剂催化乙醇水蒸气重整反应的性能。用BET技术测定了载体的比表面,并用X射线衍射(XRD)、程序升温还原(TPR)和热重(TG)技术对催化剂进行表征。结果表明,在Ni/CeO2和Ni/MgO-CeO2上,Ni以高分散的NiO、体相NiO和与载体发生相互作用的NiO的形式存在,显示了良好的低温乙醇水蒸气重整性能;其中Mg,Ce摩尔比为1∶1时,Ni/MgO-CeO2催化剂显示了良好的活性和选择性,并且具有很好的稳定性和抗积炭能力。 展开更多
关键词 乙醇水蒸气重整制氢 固相燃烧法 MgO-CeO2 稀土
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Hydrogen production from steam reforming of ethanol over Ni/MgO-CeO_2 catalyst at low temperature 被引量:2
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作者 石秋杰 刘承伟 谌伟庆 《Journal of Rare Earths》 SCIE EI CAS CSCD 2009年第6期948-954,共7页
MgO,CeO2 and MgO-CeO2 with different mole ratio of Mg:Ce were prepared by solid-phase burning method.Catalysts Ni/MgO,Ni/CeO2 and Ni/MgO-CeO2 were prepared by impregnation method.The catalytic properties were evaluate... MgO,CeO2 and MgO-CeO2 with different mole ratio of Mg:Ce were prepared by solid-phase burning method.Catalysts Ni/MgO,Ni/CeO2 and Ni/MgO-CeO2 were prepared by impregnation method.The catalytic properties were evaluated in ethanol steam reforming(ESR) reaction.Specific surface areas of the supports were measured by nitrogen adsorption-desorption at 77 K,and the catalysts were characterized with X-ray diffraction(XRD),temperature programmed reduction(TPR) and thermogravimetric(TG).The results showed that well... 展开更多
关键词 hydrogen production from steam reforming of ethanol NI solid-phase burning method MgO-CeO2 rare earths
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