Internally Heated Urea Reactor/Injector For Use With SCR Emissions Control Device
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United States of America Patent
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Nov 12, 2015
app pub date -
May 6, 2014
filing date -
May 6, 2014
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Abstract
A method of treating NOx-containing exhaust from an internal combustion engine of an automotive vehicle. Urea solution is stored on-board the vehicle and delivered to a reactor/injector unit. The reactor/injector unit is operable to thermally decompose the urea solution into reductant gases suitable for direct application to an SCR catalyst without further reaction. The reactor/injector unit injects these reductant gases into the exhaust line upstream the SCR catalyst, which reacts them with the NOx in the exhaust.
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