so the oil-water separation technology is constantly developing. Scholars increasingly favour porous metal materials in the field of oil-water separation due to their advantages of large separation flux
excellent mechanical properties and low price. This paper reviews the oil-water separation mechanism of superhydrophobic metal porous materials. Then
the research progress of preparing superhydrophobic porous metals by sol-gel method
deposition method
a dip coating method
hydrothermal method and other methods is mainly introduced
taking metal foams and metal omentum materials as examples. The advantages of superhydrophobic porous metal materials in oil-water separation are described. The future trends in treating superhydrophobic porous metal materials are also prospected.