Environmental studies and Forestry

https://www.duke-energy.com/our-company/environment/air-quality/sulfur-dioxide-scrubbers

What Pollutant did you select? What is the technology you selected? What industry is it for? How does it work? Is it being used now or a new technology? Are there any usefull by products resulting from the removal process? Any other information pertinent to the polluntant you selected.