Patent ID: 7153439

Claim:
A method of removal of grease and oil from effluent water comprising: installing an oil/grease separator assembly at facility site; connecting an inlet of the oil/grease separator to a kitchen sink with waste materials to be removed and separated; connecting an outlet of the oil/grease separator to a sewage system; operating the oil/grease separator to separate and remove oil/grease from the effluent water by receiving effluent flow and permitting oil/grease to float to the top of a water component of the effluent and flowing oil/grease floating on water over a discharge outlet to an external storage tank during periods of high flow from the source of discharging effluent to an oil/grease storage tank and permitting water to flow downstream on a separate path below the discharge outlet to a second outlet connected to a drain; and returning water to a housing along a path from a low portion of the oil/grease storage tank as the fluid level subsides.