Recent, widespread additions of scrubbers and selective catalytic reduction (SCR) systems at U.S. coal-fired power plants have significantly reduced concentrations of the pollutants SO 2 and NO x in ...

In 2006 and 2007, POWER ran a three-part series on the formation of SO 3, O&M issues caused by SO 3, and sorbent injection control for SO 3 control. Three years later, many plants still struggle with ...

Researchers have discovered that Sulfur trioxide can form products other than sulfuric acid in the atmosphere by interacting with organic and inorganic acids. This discovery will help us to better ...

Sulphur dioxide and sulphur trioxide are potentially fatal gases. What effects do they have on people, and what should be done if exposure has occurred? Sulphur dioxide is a colourless gas with a ...