$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 ...

KALAMAZOO, MI — A June 2020 engineering report on industrial odor near a Kalamazoo manufacturer recommended placing a cap on the clarifier that processes wastewater coming from the sprawling Graphic ...

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 ...

Primary clarifier tanks sit at the Cedar Rapids Water Pollution Control Facility in Cedar Rapids on Nov. 4. The clarifier tanks allow large items in the water to settle at the bottom of the tank while ...

As much of the nation’s wastewater and sewer infrastructure approaches the 50-100 year mark, it must be rehabilitated to remain in use for a growing population. Yet municipal wastewater treatment ...

An aerial view of the WLSSD and its four secondary clarifiers in the foreground Nov. 16. The one that failed is farthest from the camera. The facility needs at least three secondary clarifiers to ...

AJ Axtell, Western Lake Superior Sanitary District director of community relations, talks Wednesday while standing outside of the secondary clarifier unit that recently failed. The extent of the ...

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 ...