Decreasing of nitrogen oxides verses increasing of ammonia in ambient air due to sncr system installed at heidelbergcement India limited, narsingarh, damoh

Strictness of the Ministry of Environment, Forest & Climate Change (MoEFCC) against the non-compliance of the Emission norms Notified by MoEFCC in 2016 for Cement Industries was the major challenge for Cement Industries to achieve the emission norms. Nitrogen Oxides (NOx) emission reduction was the major challenge for Cement Industry therefore, some of the Cement Industries have installed global approved NOx reduction technology called as Selective Non Catalytic Reduction (SNCR). After installation of SNCR system in Cement Industries NOx emission through process stacks get reduced but the Ammonia (NH3) gas has increased in process stacks because NH3 gas is injecting in Pre-calciner of the cement Kiln at Temperature range between 870 to 1090o Celcies and converting it into Nitrogen gas ((Production of Ammonium Nitrate, 2000) but some quantity of Ammonia approx 2 to 10 ppm (State and Territorial Air Pollution, 1994) get released from process stacks. Apart from this, some quantity of Ammonia gas also releasing during loading and unloading of Ammonia through tankers.