The field of microbiological treatment of sludge is experiencing rapid development due to increasing environmental pressures and a global drive towards ...
SALEM– The Salem Utilities Commission will re-bid for the city’s sludge hauling contract. Utilities Superintendent Don Weingart told the commission Thursday afternoon he received no bids for the ...
Researchers have developed a simplified, sustainable method of converting sewage sludge from wastewater treatment into high-value activated carbon that can be used in a wide range of industrial and ...
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