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Monolithic-like TiO2 nanotube supported Ru catalyst for activation of CH4 and CO2 to syngas

机译:整体式TiO2纳米管负载Ru催化剂,可将CH4和CO2活化为合成气

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摘要

Highly-ordered TiO2 nanotube arrays (TiNTA) were prepared by an electrochemical anodization method and used as the carrier material to load 1 wt.% Ru. The Ru/TiNTA catalyst was then applied to the combination reactions of the partial oxidation of methane reaction (POM) with the carbon dioxide reforming with methane reaction (CRM) for syngas production. In comparison with the commercial TiO2 powder (P25) supported 1 wt.% Ru catalyst, Ru/TiNTA shows higher activity and much better stability. The superior performance of Ru/TiNTA is attributed to the specific monolithic-like structure and confinement effect of TiNTA.
机译:通过电化学阳极氧化方法制备了高度有序的TiO2纳米管阵列(TiNTA),并用作载体材料以负载1 wt。%的Ru。然后将Ru / TiNTA催化剂用于甲烷反应(POM)的部分氧化与甲烷反应的二氧化碳重整(CRM)的合并反应,以生产合成气。与负载1 wt。%的Ru催化剂的商用TiO2粉末(P25)相比,Ru / TiNTA具有更高的活性和更好的稳定性。 Ru / TiNTA的优异性能归因于TiNTA的特定整体结构和约束作用。

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