coal combustion residuals


A New Technology for Bottom Ash Conversion Emerges
A New Technology for Bottom Ash Conversion Emerges

New environmental regulations have forced many coal power plant operators to consider alternative options for handling their boiler bottom ash. Although mechanical drag systems can often meet regulatory requirements, space…


Coal Combustion Residuals Rule Compliance Strategies
Coal Combustion Residuals Rule Compliance Strategies

The Environmental Protection Agency’s rule to regulate the disposal of coal combustion residuals as solid waste went into effect last fall. After evaluating the available solutions and technologies, here’s what…


Coal Ash Bill Clears U.S. House
Coal Ash Bill Clears U.S. House

The U.S. House of Representatives on July 23 passed by a 258–166 vote a coal ash bill that industry and states say is much-needed, but which the White House has…