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Partial oxidation of methane to syngas over Ni-loaded ultrastable HY zeolite catalysts

机译:在Ni负载的超吸收高分沸石催化剂上将甲烷部分氧化在合成气中

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Ni-containing HY zeolites are active in the partial oxidation of methane to synthesis gas. The activity of these zeolites was found to depend strongly on the Ni-loading. Thus, at low Ni-content where Ni was essentially ion-exchanged, catalysts were almost inactive. Whereas the zeolites with high Ni contents were very active. Results from TPR, CO chemisorption and XPS studies revealed that small clusters of Ni species formed on the zeolite act as catalytic centers for the reaction.
机译:含Ni的Hy沸石在甲烷的部分氧化方面是合成气的。 发现这些沸石的活性在Ni-Loadion上强烈依赖。 因此,在基本上离子交换的低Ni含量下,催化剂几乎无活性。 虽然具有高Ni含量的沸石非常活跃。 TPR,CO化学吸附和XPS研究结果显示,在沸石上形成的Ni种类的小簇作为反应的催化中心。

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