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Methane Direct Conversion on Mo/ZSM-5 Catalysts Modified by Pd and Ru

机译:Pd和Ru改性的Mo / ZSM-5催化剂上的甲烷直接转化

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摘要

The effect of addition of Ru and Pd to Mo/HZSM-5 catalysts used in the dehydroaromatiza-tion of methane was investigated. Catalytic tests and temperature-programmed oxidation results showed that Pd-based catalysts were more selective to naphthalene and suffered strong deactivation. The presence of Ru improved the activity and stability, with a decrease in the carbonaceous deposit probably because of a mechanism of protection of the Mo_2C surface.
机译:研究了将Ru和Pd添加到用于甲烷脱氢芳构化的Mo / HZSM-5催化剂中的影响。催化测试和程序升温氧化结果表明,Pd基催化剂对萘的选择性更高,且失活很强。 Ru的存在提高了活性和稳定性,碳沉积物的减少可能是由于Mo_2C表面的保护机制所致。

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