Fats, oils and greases (FOGs) in wastewater create problems including the production of foul odors, the blockage of sewer lines, grease trap and may interfere with the proper operation of sewage treatment works. Removal of FOG from wastewater is thus critically important to ensure that wastewater is disposed of efficiently and economically. Fats, oils and greases (FOGs) in wastewater create problems including the production of foul odors, the blockage of sewer lines, grease trap and may interfere with the proper operation of sewage treatment works. Removal of FOG from wastewater is thus critically important to ensure that wastewater is disposed of efficiently and economically.

Restaurants, fast food chains, Hotels etc, where there is food preparation undertaken, there is always regular quantities of solid food waste, which then find their way into the drainage system and as a result, the problems then begin to develop.