Electrochemically induced conversion of urea to ammonia

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Abstract

A novel electrochemically induced method for ammonia synthesis (eU2A) on demand from urea in alkaline media was demonstrated. A Nickel based electrode was employed as the active catalyst. The effective rate of ammonia generation of the eU2A process at 70°C is 28 times higher than the thermal hydrolysis (THU) of urea. The eU2A operates at lower temperature (55% lower) and pressure (6 times lower) than the THU; this could lead to significant energy savings. The process finds applications on selective catalytic reduction (SCR) for the removal of nitride oxide from combustion systems (e.g., diesel vehicles, power plants, etc.).

Original languageEnglish
Pages (from-to)E5-E7
JournalECS Electrochemistry Letters
Volume4
Issue number10
DOIs
StatePublished - 2015

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