In this study biokinetic and microbial growth coefficients for nitrate versus oxygen respiration in the activated sludge process were evaluated and compared. Two bench-scale activated sludge units ...

Aurubis, a leading global provider of nonferrous metals and one of the largest copper recyclers in the world, has announced that it is building a hydrometallurgical recycling facility at its Beerse ...

Scientists have developed an improved method to convert municipal wastewater sludge into higher quality renewable fuel while significantly reducing harmful nitrogen compounds, offering a promising ...

A 2nd Circuit judge on Tuesday voided the environmental impact statement for a proposed renewable energy conversion and sludge processing project at the county’s Kahului wastewater treatment plant to ...

Franklin leaders caught a glimpse of the city's likely solid waste treatment future Tuesday night. The vision? Greenhouse-like buildings where about 7,400 pounds per day of treated "sludge" would go ...

ROGERS -- Robert Moore dipped his hand into a 5-foot-tall, waterproof bag and brought out a handful of what looked like rich topsoil. "The pathogens are gone," said Moore, plant manager of the Rogers ...

PEEKSKILL As Wheelabrator requests an expansion of operations at its waste disposal plant in Charles Point, some city officials have raised concerns that it may also be able to sneak through a request ...

A storm is brewing in eastern South Carolina over the use of chicken plant sludge from North Carolina to fertilize farm ...