Electro-catalysts for the oxidation of ammonia in alkaline...

Chemistry: electrical and wave energy – Apparatus – Electrolytic

Reexamination Certificate

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C204S290010, C204S290120, C204S290140, C204S431000, C204S242000, C204S266000, C204S278000, C204S252000, C429S010000, C429S047000, C429S105000, C205S637000, C205S638000, C205S639000, C205S760000, C205S794500

Reexamination Certificate

active

07485211

ABSTRACT:
An electro-catalyst for the oxidation of ammonia in alkaline media; the electrocatalyst being a noble metal co-deposited on a support with one or more other metals that are active to ammonia oxidation. In some embodiments, the support is platinum, gold, tantalum, or iridium. In some embodiments, the support has a layer of Raney metal deposited thereon prior to the deposition of the catalyst. Also provided are electrodes having the electro-catalyst deposited thereon, ammonia electrolytic cells, ammonia fuel cells, ammonia sensors, and a method for removing ammonia contaminants from a contaminated effluent.

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