材料研究学报  2008, Vol. 22 Issue (5): 533-538

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SnO(Sn)/泡沫镍整体催化剂的制备和催化活性

周华锋;杨永进;孙家言;张劲松

中国科学院金属研究所

Synthesis of SnO(Sn)/Ni foam monolithic catalysts and their catalytic activity

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周华锋; 杨永进; 孙家言; 张劲松 . SnO(Sn)/泡沫镍整体催化剂的制备和催化活性[J]. 材料研究学报, 2008, 22(5): 533-538.
, , , . Synthesis of SnO(Sn)/Ni foam monolithic catalysts and their catalytic activity[J]. Chin J Mater Res, 2008, 22(5): 533-538.

摘要 参考文献 相关文章 Metrics 全文: PDF(827 KB)   摘要: 以泡沫镍为载体制备一系列活性组分为SnO和Sn的整体催化剂,测定了催化剂对邻苯二甲酸二(2-乙基己)酯(DOP)合成反应的催化活性,研究了电镀电流密度、电镀温度和焙烧处理对催化性能的影响,以及整体催化剂的寿命和失活的原因. 结果表明,所制备的SnO(Sn)/泡沫镍整体催化剂对DOP的合成有很好的催化活性和选择性.用整体催化剂Sn/Ni-3(300)催化DOP的合成反应,在1h的反应时间内邻苯二甲酸酐的转化率达到96.75%;反应平衡时合成的产物中DOP的选择性达到97%以上.SnO(Sn)/泡沫镍整体催化剂使用后很容易从反应体系中分离,不需要任何处理即可重复使用多次. 关键词 ： 无机非金属材料,  整体催化剂     Abstract：In this paper, a series of monolithic catalysts, which nickel foams were used as the support, were prepared and their catalytic performance in the synthesis of dioctyl phthalate (DOP) were studied. The active components of the monolithic catalyst are SnO and Sn. The effect of current density and electroplating temperature on the electroplating rate and the catalytic activity of the catalysts were investigated. The influence of the calcination process on the catalytic activity of the catalysts was studied. The life and the deactivation reason of the catalyst were also discussed. The results show that these monolithic catalysts have good catalytic activity and selectivity in DOP synthesis. When Sn/Ni-3(300) is used as the catalyst, the conversion of phthalic anhydride (PA) reaches 96.75% in 1h and the DOP selectivity reaches above 97% when the reaction reaches equilibrium. Moreover, the catalysts can be easily separated from the reaction mixture and be reused without any treatment. 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