Could one man's trash truly be another's treasure? Well, scientists have unveiled a technique that dramatically increases ...

A pilot study of a new method for treating sewage sludge from a wastewater treatment plant efficiently created renewable natural gas while reducing the cost of the treatment. The work, reported in the ...

Sludge production in the South West Water region is predicted to rise from 25,000 tonnes dry solids to 48,000 by the 2011, mainly as a result of the marine improvement programme and the cessation of ...

Washington State University researchers have piloted a process that transforms sewage sludge into renewable natural gas with 99% methane purity, significantly boosting energy recovery compared to ...