In a direct drying setup, the heating medium comes into contact with the sludge, which often results in the release of dust and odorous compounds into the atmosphere, requiring expensive secondary ...

A company is processing wood chips into biochar for use as a soil amendment. Now, it wants to do the same with sewage solids.

A WSU team led by Birgitte Ahring has turned treated sewage sludge into renewable natural gas at 99% methane purity, tripling ...

Renewable energy company Green Development is proposing a new sludge processing plant in North Kingstown, Rhode Island. The facility would use a high-heat process called pyrolysis to turn wastewater ...

ZHUHAI, GUANGDONG, CHINA, February 5, 2026 /EINPresswire.com/ — The global industrial landscape is witnessing a decisive transition toward circular economy models ...