It is a common misconception that precast grease traps and precast oil water separators are the same thing. While they have a very similar method of treatment/ separation, they both serve their own purpose in protecting the surrounding environment. We will touch on the 3 key differences between a precast grease trap and a precast oil water separator. Key Difference #1: What is a Grease Trap? What is an Oil Water Separator? A grease trap is a structure designed to capture incoming FOG (fats,...