As the industries are growing, also the requirement for sustainable and environmentally freindly methods and techniques. One of the most important aspect that needs regular attention is management of wastewater which is discarded by the industry—specifically, the treatment of wastewater contaning oil. When the wastewater that contains oil is not managed properly, it can have harmful effects on aquatic animals and plants, soil quality, and also our health. Luckily, developments in oily wastewater treatment systems are helping us to make it easier for companies to decrease their environmental pollution while sustaining efficiency in operations.