Wastewater Digest

What is return activated sludge (RAS)?

Effective wastewater treatment relies on the recycling of activated sludge (RAS) to sustain microbial activity in aeration ...
The Gazette

Curious Iowa: How do wastewater treatment plants work?

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

‘Super important foundation’: Salmon Creek water treatment plant keeps up with county’s growth

If you stop by the Salmon Creek Wastewater Treatment Plant, the second thing you’ll notice is the stunning views of a ...
Power Engineering

FGD Wastewater Treatment Still Has a Ways to Go

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 ...
Northwest Arkansas Democrat Gazette

Springdale wastewater plant upgrades nearly complete; project cost $51 million

SPRINGDALE -- A $51 million project to upgrade Springdale's wastewater treatment plant is nearly complete. "We broke ground on that project on Sept. 2, 2022, and we just did a final walk-through on it ...
Arkansas Democrat-Gazette

Emergency repair required for Bentonville wastewater clarifier

BENTONVILLE -- One of the Wastewater Department's clarifiers is inoperable, causing the need for a $37,500 repair. Clarification is one of the final steps before water is released into Town Branch ...