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 ...

Researchers have demonstrated that different types of paper industry sludge, typically treated as a low-value waste, can be ...

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 sludge is initially treated with an acid, causing it to produce soluble calcium. The urea is then added to that calcium, forming what is known as a cementation solution. Special bacteria are ...

Phosphorus is a necessary nutrient required for all life. However, it is only found in limited quantities in nature. In a new doctoral thesis at the University of Borås in Sweden, biochar plays a ...