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

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 ...

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

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 ...