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

Researchers have developed a simplified, sustainable method of converting sewage sludge from wastewater treatment into high-value activated carbon that can be used in a wide range of industrial and ...

A study of seven wastewater treatment plants in the Eastern United States points to two treatment methods -- granular activated carbon and ozonation -- as particularly promising. Each technique ...

To ensure that the extended aeration process, with and without acid hydrolysis of a portion of the return sludge, be workable in the treatment of soluble organic industrial waste, laboratory scale ...

Atmospheric release of chlorinated organic compounds from the activated sludge wastewater treatment process at the North plant in Memphis, Tenn., was demonstrated by field monitoring studies. The ...

This conventional activated sludge wastewater treatment plant with nitrogen removal will treat 63 million gallons a day of wastewater from 500,000 residents. Water will be treated to Class A+ ...

A look inside Avery Brewing Co.’s new Gunbarrel brewery. In Monday’s Business Plus. In a region where beer seems to flow like water, Boulder is weighing a project that could be mutually beneficial to ...