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Abandoned surface coal mined lands are a worldwide environmental concern due to their low productivity and potential negative impact on water and soil quality. A field study was conducted to investigate the use of a dry flue gas desulfurization (FGD) product, i.e. a fluidized bed combustion (FBC) product, for reclamation of an abandoned surface coal mined land in Ohio, USA. The FGD product was applied...
Flue gas desulfurization (FGD) gypsum is a by-product created when sulfur is removed from flue gases in power plants. The utilization of FGD gypsum as a road sub-base for construction purposes is unsatisfactory when compared with other by-products such as fly ash and steel slag. As a result, FGD gypsum has generally been treated as a waste product and landfill. A new type of semi-rigid road sub-base...
Use of high-sulfur coal for power generation in the United States requires the removal of sulfur dioxide (SO 2 ) produced during burning in order to meet clean air regulations. If SO 2 is removed from the flue gas using a wet scrubber without forced air oxidation, much of the S product created will be sulfite (SO32-). Plants take up S in the form of sulfate (SO42-). Sulfite may cause...
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