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Major gaseous pollutant of the thermal power station is

Answer» <html><body><p> SO<sub>2</sub></p><br/><br/><p>A flue-gas stack is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air. Flue gases are produced when coal, oil, natural gas, wood or any other fuel is combusted in an industrial furnace, a power <a href="https://interviewquestions.tuteehub.com/tag/plant-1155789" style="font-weight:bold;" target="_blank" title="Click to know more about PLANT">PLANT</a>’s steam-generating boiler, or other large combustion device. Flue gas is usually composed of carbon dioxide (CO2) and water <a href="https://interviewquestions.tuteehub.com/tag/vapor-1442821" style="font-weight:bold;" target="_blank" title="Click to know more about VAPOR">VAPOR</a> as <a href="https://interviewquestions.tuteehub.com/tag/well-734398" style="font-weight:bold;" target="_blank" title="Click to know more about WELL">WELL</a> as nitrogen and excess oxygen remaining from the intake combustion air. It also contains a small percentage of pollutants such as particulate matter, carbon monoxide, nitrogen oxides and sulfur oxides. The flue gas stacks are often quite tall, up to 400 metres (1300 feet) or more, so as to disperse the <a href="https://interviewquestions.tuteehub.com/tag/exhaust-979394" style="font-weight:bold;" target="_blank" title="Click to know more about EXHAUST">EXHAUST</a> pollutants over a greater area and thereby reduce the concentration of the pollutants to the <a href="https://interviewquestions.tuteehub.com/tag/levels-1072811" style="font-weight:bold;" target="_blank" title="Click to know more about LEVELS">LEVELS</a> required by governmental environmental policy and environmental regulation.</p></body></html>


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