Coal usually contains high levels of selenium, particularly from sources that are also high in sulfur. This results in waste streams from coal-fired power plants having selenium concentrations that far exceed industrial discharge limits. Removal of selenium from these...
![Method Spotlight: Selenium Speciation of FGD Wastewaters](https://i0.wp.com/brooksapplied.com/wp-content/uploads/power-block.jpg?resize=250%2C250&ssl=1)