We spoke to officials at the Cedar Rapids facility and Coralville's Wastewater Treatment Plant to find out how these plants ...

$51.2 million: Cost of the high-rate treatment clarifier at the Wastewater Treatment Plant, believed to be largest single item approved by city commission. $474,000: Cost of a recent change order for ...

The composition of flue gas desulfurization varies widely, based on scrubber type and coal and limestone used. Coal contributes acidic gases, such as chlorides, fluorides and sulfate. Coal also ...

Evolving environmental regulations have forced many coal power plant operators to re-evaluate how they handle water and ash. Many units have been retrofit with dry handling systems, but there are ...