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Analysis * USA - SCR consensus strengthens, but supply questions linger
However, in order to prevent efficiency failure in required NOx adsorbers, the urea needs to be periodically replenished. With just over two years to go before the standard kicks-in, there still isn't any viable urea infrastructure in place in North AmericaNew York,NY,USA -Today's Trucking (CAN) -30 July 207: -- ... A consultant who specializes in designing and developing urea dispensing systems told New York trucking market analyst firm Bear Stearns that there is now a "general consensus" among heavy truck OEMs that selective catalyst reduction -SCR- will likely be the most practical technology for reaching EPA-mandated 2010 NOx-reduction standards... The SCR system -- which injects a nitrogen containing agent like urea into the exhaust gas upstream of the catalyst to further eliminate NOx emissions -- is the technology that's being used in Europe for meeting emission standards over there... The EPA wants truck and engine OEMs too ensure they can prevent truckers from driving 'urealess' when the tank is empty...
Labels: SCR selective catalyst reduction
posted by Unknown @ 10:51 AM
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