Browse Publications Technical Papers 2019-36-0067
2020-01-13

Reduction of a diesel engine NO emissions using the exhaust gas recirculation technique 2019-36-0067

This paper analyses the effects of the application of the exhaust gas recirculation (EGR) technique in a stationary, single cylinder engine aiming to reduce the emissions of nitrogen oxides (NOx). The engine was operated with diesel oil containing 8% biodiesel (B8) for different load and EGR rates. The engine emissions of carbon monoxide (CO), carbon dioxide (CO2) and nitric oxide (NO) operating without the EGR system were compared with the operation with EGR rates of 15% and 25%. The results revealed that the increase in the EGR rate increased the exhaust gas temperature, the engine specific fuel consumption and the CO and CO2 emissions, but with reduction of up to 72% of NO emissions, when using 25% of EGR rate.

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