How to Work Restaurant Wastewater Grease Trap System? Food, cooking, washing, and cleaning processes also lead to the production of wastewater which is full of food particles, oils, fats, and grease in restaurants. When this wastewater flows in the drainage system it is untreated this may lead to serious problems and issues like blocked pipelines, bad smells, blocked sewers in a municipality and environmental damage. Visit the link of article for more information: https://www.netsolwater.com/restaurant-wastewater-grease-trap-system.php?blog=7175