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

Activated sludge modeling technology is maturing; however, currently, there exists a great need to increase its use in daily engineering practice worldwide. A good way for building the capacities of ...

Researchers in the United States have discovered an efficient, cost-effective way to make biodegradable plastics from unused and potentially polluting waste. The process makes use of bacteria found in ...

The United States generates seven million tons of sewage sludge annually, enough to fill 2,500 Olympic-sized swimming pools. While a portion of this waste is repurposed for manure and other land ...

Multi-year improvement project modernizes clarifiers and activated sludge tanks to support long-term operational performance.

Researchers in the US have discovered an efficient, cost-effective way to make biodegradable plastics from unused and potentially polluting waste. The process makes use of bacteria found in the salt ...