The anaerobic digestion process has been used for years in wastewater sludge treatment and represents an attractive technique for sludge reduction along with energy production via biogas. However, ...

Bench-scale experiments conducted on municipal and industrial waste activated sludges show that gases with a water solubility higher than air are more economical in dissolved gas flotation processes ...

The anaerobic biodegradability of municipal primary sludge, thickened waste activated sludge (TWAS), and fat, oil, and grease (FOG) was assessed using semi-continuous-feed, laboratory-scale anaerobic ...

Every year, Americans send millions of tons of food to the landfill. What if you could use all of those pizza crusts and rotten vegetables to heat your home? That's already happening in one unlikely ...

“Some 10,000 gallons of sewer sludge leaked onto the ground at Coeur d'Alene's wastewater treatment plant Wednesday following the rupture of a seal. “The plugged pipe caused the digester to overflow, ...