Deuterium Inverse Isotopic Effect in Ammonia Synthesis over Ru-Based and Fe-Based Catalysts

Chinese Journal of Catalysis ›› 2010, Vol. 31 ›› Issue (2): 153-155.

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Deuterium Inverse Isotopic Effect in Ammonia Synthesis over Ru-Based and Fe-Based Catalysts

LIN Jingdong*, LIAO Daiwei*, ZHANG Hongbin, WAN Huilin, TSAI Khirui

National Engineering Laboratory for Green Chemical Productions of Alcohols-Ethers-Esters, State Key Laboratory of Physical Chemistry of Solid Surfaces, Institute of Physical Chemistry, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen Univer-sity, Xiamen 361005, Fujian, China

Received:2010-02-25 Online:2010-02-25 Published:2013-09-02

Abstract

Abstract: The strong deuterium inverse isotopic effects, rD/rH of about 2, over Ru-based and Fe-based catalysts provide a reliable experimental evidence for the mechanism of ammonia synthesis.

Key words: ammonia synthesis, deuterium inverse isotopic effect, Ru-based catalyst, Fe-based catalyst, hydrogen-assisted dissociation, dissociative mechanism, associative mechanism

LIN Jingdong*;LIAO Daiwei*;ZHANG Hongbin;WAN Huilin;TSAI Khirui. Deuterium Inverse Isotopic Effect in Ammonia Synthesis over Ru-Based and Fe-Based Catalysts[J]. Chinese Journal of Catalysis, 2010, 31(2): 153-155.

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Deuterium Inverse Isotopic Effect in Ammonia Synthesis over Ru-Based and Fe-Based Catalysts

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