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SO2


Power Plant Emissions Down Substantially in U.S. Since 1990
emissions-carbon-dioxide

Power plant SO2 and NOx emissions have decreased 92% and 84%, respectively, since Congress passed major amendments to the Clean Air Act in 1990. Meanwhile, mercury air emissions from power…


EPA to Retain Primary NAAQS for Sulfur Dioxide
environmental rule, U.S.,

The Environmental Protection Agency (EPA) will refrain from amending the National Ambient Air Quality Standards (NAAQS) for sulfur dioxide (SO2), retaining a 2010 rule, which it said adequately protects public…


The Impact of Environmental Regulations on Power Generation

For many years, air pollution control (APC) rules and regulations have governed the design and economics of the world’s power generation fleet. These rules have had a tremendous impact, improving…


Particulate Matter Should Be Focus of Air Emissions Regulations

Residents of Texas living downwind of coal-fired power plants would be far better off today if regulators had focused on cutting particle-forming SO2 emissions rather than concentrating so keenly on…


Advanced Process Control for Optimizing Flue Gas Desulfurization

Coal-fired power plants can significantly improve wet limestone scrubbing with advanced process control. One optimization system implemented at a Japanese facility utilized enhanced regulatory control, model-based prediction, and process value…