With the final issue of the Environmental Protection Agency (EPA) Coal Combustion Residual (CCR) rules on April 17, 2015 and the Steam Electric Power Effluent Limitations Guidelines (ELG) on Nov. 3, ...
The submerged flight conveyor shown here collects ash from the boiler and cools the ash in a water-filled trough. Photo courtesy of United Conveyor Corp. By Kevin L. McDonough, United Conveyor Corp.
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