Traditional treatment methods often involve high costs, pollution risks, and limited resource recovery. A new study published in Energy & Environment Nexus demonstrates how a two-stage hydrothermal ...

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 ...

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 ...