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首页> 外文期刊>Journal of industrial and engineering chemistry >Activity and stability of Pd/MMnO_x (M = Co, Ni, Fe and Cu) supported on cordierite as CO oxidation catalysts
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Activity and stability of Pd/MMnO_x (M = Co, Ni, Fe and Cu) supported on cordierite as CO oxidation catalysts

机译：以堇青石为载体的Pd / MMnO_x（M = Co，Ni，Fe和Cu）的活性和稳定性

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摘要

Several catalysts of the general formula, MMnO_x (M = Co, Ni, Fe and Cu), were synthesised through the impregnation method; their activities were shown to be enhanced by the addition of a small amount of Pd (0.01-0.1 wt%). These catalysts exhibit different activities for the catalytic oxidation of CO, due to the different valence states of various transition metal oxides. The introduction of Pd prominently enhanced both the reduction and oxidation capabilities of the catalysts. These catalysts were optimised for oxidation activities by designing orthogonal experiments. Based upon the catalysts' properties, the stability of these samples and their ability to resist steam over Pd/CoMnO_x/cordierite were investigated.
机译：通过浸渍法合成了几种通式为MMnO_x的催化剂（M = Co，Ni，Fe和Cu）。通过添加少量的Pd（0.01-0.1 wt％）可以增强它们的活性。由于各种过渡金属氧化物的价态不同，这些催化剂表现出不同的CO催化氧化活性。钯的引入显着增强了催化剂的还原和氧化能力。通过设计正交实验优化了这些催化剂的氧化活性。基于催化剂的性质，研究了这些样品的稳定性及其在Pd / CoMnOx /堇青石上的抗蒸汽能力。

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