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Grease Traps

Grease traps are designed to intercept fats, oils and greases from commercial kitchens before they enter a sewage treatment plant or public sewer.

Fats, oils and greases (FOGs) are produced from food preparation in commercial kitchens and can block drain pipes and can prevent the correct functioning of septic tanks and sewage treatment plants.

There are three primary types of FOGs interception device (often known as fat traps, grease traps or grease interceptor) and many applications use more than one type to achieve adequate interception of FOGs.  Mechanical interceptors often provide a first line of defence and are followed by passive grease traps typically incorporating baffles or large gravity grease traps providing large retention volumes.

All FOGs interception devices require regular emptying.  Mechanical interceptors will require emptying on multiple occasions through a typical service while passive grease traps must be emptied when 25% full, often on a monthly or quarterly basis.

Please contact us for further information on the sizing and maintenance of your grease trap.