Oily Water Separators (OWS) are essential for treating bilge water on ships, ensuring compliance with environmental regulations. These systems remove oil and other contaminants from wastewater before it is discharged overboard. Utilizing a combination of filtration, coalescence, and separation technologies, OWS effectively reduces the oil content to acceptable levels. Regular maintenance and monitoring are crucial for optimal performance and regulatory compliance. By preventing pollution and protecting marine environments, oily water separators play a critical role in sustainable maritime operations, contributing to the overall environmental responsibility of the shipping industry.