Waste is not the enemy. It’s the key to a cleaner, greener, and more sustainable world,” wrote Dr. Zhao Hu, co-author of a ...

especially UASB – Upflow Anaerobic Sludge Blanket reactors. The classic biological process for removal of nutrients uses three reactors - Bardenpho System, therefore, this work intends an alternative ...

Even though most CO 2 emissions arise from aerobic or oxygen-rich environments, most wastewater-based OAE studies have looked into anaerobic or oxygen-free ... and treated it with biologically ...

The researchers found that reducing the amount of KOH used by at least 50%, with a sludge-to-KOH ratio of 3:1 at a maximum temperature of 800 °C (1,472 °F) was optimal, producing a yield of 0.63 ...

Finally, light-activated bacteria ... In comparison, traditional anaerobic digestion typically recovers and converts around 50 per cent of organic materials in sewage sludge.

Each one contains millions of gallons of black sludge that's roughly the consistency ... the bacteria do their work without oxygen. It's called anaerobic digestion. Anaerobic digestion isn't ...

Environmental advocates are renewing calls to ban the use of sewage sludge — or "biosolids ... contents and basis of the assessment." The anaerobic digesters at the Deer Island Water ...