CATALYST CONVERTING AMMONIA TO NITROGEN AND HYDROGEN, METHOD FOR MANUFACTURING THE CATALYST, AND M

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PROBLEM TO BE SOLVED : To provide a technique capable of converting ammonia gas, especially ammonia contained in the gas widely from low concentration to high concentration. SOLUTION : A catalyst converts ammonia containing ruthenium and a rare earth oxide into nitrogen and hydrogen. The catalyst reduces a catalyst precursor. In addition, a method for converting ammonia into nitrogen and hydrogen by using the catalyst is provided. Preferably, the catalyst could have a fireproof inorganic oxide, and more preferably, acid strength (H0 constant) of the fireproof inorganic oxide is -5.6 or higher. COPYRIGHT : (C)2014, JPO&INPIT