Abstract
Carbides of transition metals are likely candidates for efficient catalysts for redox-type reactions owing to their high chemical and thermal stabilities, and metal-like nature. In this report we will review the results of our systematic work on the catalytic properties of transition metal carbides (titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten, and iron). We will focus our attention on the oxidation of hydrogen, carbon monoxide, ammonia, and the oxidative coupling of methane. The first two reactions are examples of a complete oxidation, while the oxidation of ammonia simulates a selective oxidation process. The reaction of oxidative coupling of methane is being intensively explored at present as a means to produce higher hydrocarbons.
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