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担载型镍催化剂上CH4/CO2重整反应的研究 Ⅱ.添加Co对Ni/Al2O3催化剂性能的影响
Reform of Methane with Carbon Dioxide to Syngas over Supported Nickel catalysts Ⅱ.Effect of Co on the Performance of Ni/Al2O3 Catalyst
【摘要】 考察了ＣＯ助剂对Ｎｉ／Ａｌ２Ｏ３催化剂的活性和抗积炭性能的影响，发现添加少量Ｃo使催化剂 的抗积炭能力显著增强．ＴＰＲ、ＸＲＤ结果表明，Ｃo的添加降低了金属镍的分散度，并促进了尖晶石 ＮｉＡＩ２Ｏ４的生成．
【Abstract】 The effects of Co promoter on the activity and carbon - deposition resistance of Ni/AI2O3 catalyst were investigated. It was found that the catalyst Promoted by a small amount of Co exhibited high resistance to carbon deposition and the addition of Co reduced the degree of dispersion of Nickel, but promoted the formation of NiAl2O4 spinel.
【关键词】 CH4/CO2重整；
镍催化剂；
钴助剂；
积炭；
【Key words】 CH4/CO2 reforming； nickel catalyst； promoter； carbon deposition；
【Key words】 CH4/CO2 reforming； nickel catalyst； promoter； carbon deposition；
- 【文献出处】 淮北煤师院学报(自然科学版) ,JOURNAL OF HUAIBEI INDUSTRY TEACHERS COLLEGE (NATURAL SCIENCES EDITION) , 编辑部邮箱 ,2000年01期
- 【分类号】O643.3
- 【被引频次】3
- 【下载频次】102