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

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 ...

To their sewers few city dwellers give a second thought, so basic and taken-for-granted is sewage disposal in urban life. New York City’s sewers spout 1,107,000,000 gallons every 24 hours. Chicago’s ...