A new method for treating sewage sludge efficiently created renewable natural gas while slashing in half the cost of the ...
Washington State University has transformed sewage sludge’s environmental liability into a valuable energy asset.
Sewage sludge is usually the part nobody wants to think about. It is costly to handle, hard to get rid of, and after ...
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 ...