Diesel NOx reduction with ammonium deoxidizing agents directly injected into the cylinder
by N. Miyamoto, H. Ogawa, J. Wang, T. Shudo, K. Yamazaki
International Journal of Vehicle Design (IJVD), Vol. 16, No. 1, 1995

Abstract: The effect of ammonium deoxidizing agents on reductions in NOx emitted from a diesel engine was examined. Ammonium compounds dissolved in water were injected directly into the cylinder during the expansion stroke. The results showed that NOx emissions could be successfully reduced by 60% by optimizing the injection timings and the amount of injected agents. Ammonia concentration in the exhaust gas was less than 10 ppm even when an excess amount of agents was injected. The NOx deoxidizing processes were described by a chemical kinetics model with the elementary reactions.

Online publication date: Wed, 28-May-2014

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