Oil sludge treatment and recovery remain critical challenges in environmental remediation and resource recovery, due to the hazardous nature of sludge generated in petroleum refining and related ...

Scientists have developed an improved method to convert municipal wastewater sludge into higher quality renewable fuel while significantly reducing harmful nitrogen compounds, offering a promising ...

Municipal sludge, a rapidly growing by-product of wastewater treatment, has considerable energy potential but remains challenging as a biofuel feedstock due to its high nitrogen content, which ...