The Times dug into the widespread use of sewage sludge as fertilizer, which is sometimes heavily contaminated by “forever chemicals.” By Hiroko Tabuchi For decades, the government has encouraged ...

Scientists have developed an improved method to convert municipal wastewater sludge into higher quality renewable fuel while ...

Sewage sludge dewaterability is a critical factor in wastewater treatment efficiency and cost‐reduction, as it directly impacts the volume of sludge requiring transportation, disposal, or further ...

Waste is everywhere. All the cities in the world invariably produce sewage sludge — the thick, organic mess left over from ...

STORM LAKE, Iowa | Storm Lake authorities are investigating what caused a black, sludge-like substance to spill onto a city roadway Friday morning. According to a Storm Lake Police Department news ...

Aries Clean Technologies claims its gasification and oxidization plant can destroy most forever chemicals in sewage sludge, but the state has yet to evaluate its claims.