Page 162 - 1-37
P. 162

TRANSFORMING         TRANSFORMING         TRANSFORMING
         SUSTAINABILITY REPORT  FY 2023                                                                                                                                     COMMUNITIES           THE PLANET         THE WORKPLACE












         Air emissions and quality


         Air quality management and                              the air quality at our sites so that                      Air Emission (metric tonnes)*
         emissions control are issues that                       effects of our operations can be
         affect a large number of stakeholders                   evaluated in real time and suitable
         and need strong oversight and                           interventions for maintaining                                                           89,857
         regular monitoring. The efficient                       mandated standards of air quality,                                    FY 2023   18,275                                           502,403
         management of air emissions from                        can be taken. We do this with the
         our sites, their impact on the ambient                  help of emission control                                                                84,641
         air quality is a vital component of our                 technologies and advanced                                             FY 2022  11,827                                            509,069
         sustainability strategy and crucial for                 monitoring systems, which flag off
         fostering positive relationships with                   any potential issues. We actively                                                     66,305
         our neighbouring communities.                           monitor SPM, sulphur oxides (SO ),                                    FY 2021                                                      526,421       PM Emissions
                                                                                                     x
                                                                 and nitrogen oxides (NO ) as part of                                            19,693                                                           SOx Emissions
                                                                                                                                                                                                                  NOx Emissions
                                                                                           x
         Further, it is mandatory for us to                      our ambient air quality monitoring                                                   67,317
         comply with environmental                               process. Additionally, lead emissions                                 FY 2020                                                   508,206
         regulations on a variety of air                         from our zinc operations, fluoride                                             11,215
         emissions like emissions of                             emissions from our copper and
         particulate matter, sulphur dioxide                     aluminium operations, and Polycyclic                      SOx emissions have been recalculated based on revised SOx emission factor in FY23
         (SO ), nitrogen oxides (NO ), and                       Aromatic Hydrocarbons (PAHs) from
             2
                                     x
         others. Non-compliance can result in                    our aluminium operations are being
         fines, penalties, and legal                             monitored to align them with our                          Air quality improvements
         consequences for the company and                        Environmental Management
         also disrupt regular operations.                        Standard.                                                    Operations/Units                     Activities (Policies/Technological interventions etc.)
         Therefore, rigorous air emissions
         management is necessary as                              Measures to enhance air quality                              ESL                                  HFTR Installation in Sinter

                                                                                                                                                                   High Frequency rectifier transformer is installed in Sinter Plant to bring the
         significant operational and                             As in other areas, our focus on air                                                               emission below 100 mg/Nm3 by improving the frequency of Electrostatic
         reputational risks are involved.                        emissions management goes well                                                                    Precipitator (ESP).
                                                                 beyond mere compliance. We are                               HZL                                  Tail Gas Plant (TGT)
         Processes involved in mining, such as                   using advanced technologies and                                                                   Installed in smelter to further cut down SO  emissions from stack.
                                                                                                                                                                                                     2
         drilling, processing, and                               processes to minimize our emissions
         transportation, all have an impact on                   and reduce our environmental                                 VAL Jharsuguda                       Installation of Wheel Wash System

                                                                                                                                                                   Wheel Wash System improves the ambient air quality at Ash Handling Plant AHP
         air quality. We have established                        impact. In 100% of our sites we have                                                              & Coal Handling Plant CHP area during transportation has been improved and it
         systems for continuous monitoring of                    met the compliance requirements.                                                                  meets NAAQS






















                                                                                                                                                                                                                                     82
   157   158   159   160   161   162   163   164   165   166   167