In a grease trap, the grease and fats in wastewater collected from kitchen sinks are separated before being discharged into sewer systems. Despite the fact that oils and grease are liquid when they are disposed of in a sink or washed off dishes, they may thicken and cause a blockage in plumbing. Grease is dangerous for the environment, So develop grease traps to prevent the grease and oil. Here is detail on
how to build a concrete grease trap .