Food and Oil Interceptor: A Food and Oil InterceptorĀ is also known as a grease trap. Ā It isĀ a tank-like device that slows the flow of waste water into the sewer by using gravity to allow fats and oils to separate for disposal at an appropriate facility. Ā Retail food business that cook or serve hot food will need to install a grease trap. Waste water from food … Continued