Bellingham officials are looking for a more ecologically sound way to get rid of the “biosolid” sludge that’s a by-product of the sewage-treatment process as they move forward with a $220 million ...

Municipal sludge, a rapidly growing by-product of wastewater treatment, has considerable energy potential but remains challenging as a biofuel feedstock due to its high nitrogen content, which ...

UTICA — About 45 minutes southwest of Jackson, sits the small, sleepy town of Utica. With just under 800 residents according to the 2021 census, it falls on the edge of Hinds County, near the Copiah ...

The study investigated the unbiodegradable fraction of particulate chemical oxygen demand (PCOD) in thickened waste activated sludge (TWAS) using semicontinuous-flow completely-mixed anaerobic ...

BioEngineering, LTD, is a small, engineering firm based in Skopje, North Macedonia, specializing in research and development of new products, systems and innovative technologies in the field of ...

Sewage sludge at the Wakarusa Wastewater Treatment Plant before it is thickened for land use is pictured on Friday, February 14, 2025. In these bubbling basins, you’ll find some of the hardest workers ...