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 ...

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 ...

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 ...

In January and February 2026, the Envorem team assembled a UK-built treatment system on a site near Jubail, Saudi Arabia, where it is ready for use. The system provides a mobile platform to treat oily ...