Coal Combustion at Thermal Power Plants

Introduction:
Coal combustion at thermal power plants is a significant source of air pollution. It releases various emissions into the atmosphere, including carbon dioxide, oxides of nitrogen, and oxides of sulfur. These emissions have detrimental effects on both human health and the environment.

Emissions from Coal Combustion:
The emissions from coal combustion at thermal power plants are as follows:

1. Carbon Dioxide (CO2):
- Carbon dioxide is a greenhouse gas that contributes to global warming and climate change.
- When coal is burned, it releases carbon dioxide into the atmosphere, making it the primary emission from coal combustion.
- The combustion of coal is a major contributor to the increasing concentration of carbon dioxide in the atmosphere.

2. Oxides of Nitrogen (NOx):
- Oxides of nitrogen, including nitric oxide (NO) and nitrogen dioxide (NO2), are produced during the combustion process.
- These gases are formed due to the high temperatures reached during coal combustion.
- NOx emissions contribute to the formation of smog and acid rain.
- They also have harmful effects on human health, causing respiratory problems and exacerbating existing respiratory conditions.

3. Oxides of Sulfur (SOx):
- Sulfur dioxide (SO2) is the primary oxide of sulfur emitted during coal combustion.
- Coal naturally contains sulfur, and when it is burned, sulfur dioxide is released.
- SO2 emissions from thermal power plants contribute to the formation of acid rain.
- Acid rain can harm aquatic ecosystems, damage forests, and corrode buildings and infrastructure.
- Additionally, SO2 can cause respiratory problems and aggravate respiratory conditions in humans.

Conclusion:
In summary, carbon dioxide, oxides of nitrogen, and oxides of sulfur are the emissions produced from coal combustion at thermal power plants. These emissions have significant environmental and health impacts, including contributing to climate change, smog formation, acid rain, and respiratory problems. It is important to address and minimize these emissions through the implementation of cleaner and more sustainable energy sources.