An additive for oxygen-based processing of sludge may be useful in specific cases in lowering the environmental impact of waste water treatment for the meat and dairy industries. There are different ...

As an important treatment method of waste activated sludge (WAS), aerobic digestion has been widely applied in middle and small wastewater treatment plants (WWTPs) 1,2,3. In the digestion process, ...

Anaerobic digestion is one of the most promising options for the disposal of biodegradable food waste. However, the relatively high content of oil in food waste inhibits the conversion efficiency of ...

EAST PROVIDENCE — As a porous conveyor belt rolls forward, the murky soup it carries drains of water and leaves behind a thick sludge the consistency of wet cement. There’s no question about it. This ...