Emission control diesel power plant for reducing oxides of nitrogen through selective catalytic reduction method using ammonia

Abstract

Background/Objectives: The major pollutant that comes out from engine exhaust of Diesel Power Plant (DPP) is Nitrogen Oxide (NOx) as well as Sulphur oxides (SOx). Since NOx concentration level is higher it affects our environment to great extent. Our main objective of our project is to reduce NOx concentration level to lower rate of parts per million (ppm). Methods/Statistical Analysis: The NOx concentration level is higher in DPP as they didn't install any NOx control methods. We suggested using Selective Catalytic Reduction (SCR) method for controlling NOx emission. Ammonia (NH3) is making use of reagent in SCR technique and it is inject to the exhaust stream. Findings: NH3 reacts with NOx present in the exhaust and it is converted into Nitrogen (N2) and water (H2O). It is proposed that, if SCR system is installed in Diesel Power Plant, NOx concentration level is expected to reduce from 1100 ppm to 132 ppm. Application/Improvements: If The proposed system is implemented successfully in the power plant, then NOx concentration level could be reduced to approximately 132ppm (< 2 g/kWh).