Why do we need Grease Arrestors?

Sydney is the home to thousands of restaurants and cafes that serve food with Fats, Oils and Grease (FOG). The wastes from these places can easily end up clogging and overloading the wastewater treatment plants.

In order to prevent blockages and overflows, overloading of wastewater treatment plants and pollution of the sewer system due to accumulated grease and oils discharged from food facilities, Sydney Water requires the installation of grease traps or interceptors. The captured Fats, Oils and Grease (FOG) can also be effectively recycled.

Grease Arrestor

What places require a grease arrestor?

Any place that cooks or serves hot food that might be essentially rich in Fats, Oils and Grease. The wastewater in these places from their food preparation areas, any floor wastes, kitchen sinks, dishwashers and garbage areas would require the treatment and therefore, it should all flow to a grease interceptor.
The following pointers can help you identify if you require Grease arrestors:

  1. Every Restaurant – Restaurants serve food that is usually greasy like pizzas, burgers fries etc.
  2. Cafes – All the cafes that serve hot food like fries and sandwiches etc. Also, if the cafes serve espresso, that also requires a grease trap.
  3. Pubs – Any pub that serves food or snacks like fries etc can have high amounts of grease.
  4. Supermarkets – Supermarkets tend to stock all kinds of food. However, these days, various supermarkets even have baking sections. Any supermarket that has a baking section must have a grease arrestor.
  5. An Ice Cream Shop – If an ice cream shop serves crepes or any other baked goods at the site, then they require a grease arrestor.

Therefore, grease arrestors act as an intervention for the fats, oils and grease, before they can enter the wastewater, thereby reducing the loading on wastewater treatment plants and preventing clogging of those systems.

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