A grease trap or
also known as grease interceptor is designed to stop the oils, fats & grease to enter the wastewater disposal
facility. It is commonly used in restaurants
and another similar industry that
offers food services. The wastewater usually carries small amount of oils that
enter into the septic tank or sewer system and floats in the upper scum
layer. The fats, oils and grease (FOG) are very
slow to decompose by microorganisms in the anaerobic digestion process. If the
huge volume of grease is accumulated inside the disposal facility, it will be released
as untreated into the environment still. Also, it may cause pipes to clog in
once the grease solidifies.
How does a grease trap function? Grease trap is installed
in between the restaurant drain and the main sewer line or septic system.
Grease trap slows down the flow of water into the drain. This makes the fat,
oil and grease (FOG) to float in the upper layer and trapped by the grease interceptor system, while
keeping the solid waste and clear water to pass through going to the sewer or septic
main system.
There are practical habits to reduce FOG waste. Initiate a
universal instruction to all your employees, especially those who do the
dishwashing, to manage or collect FOG waste as much as possible and throw
directly into the trash instead of the drains. Restaurants or kitchen grease
traps must observe regular cleaning or maintenance schedule to
keep it functional always and to avoid complicated issue.
Install grease traps in all your drains because once the oil
is not captured and reaches the main city disposal facility it will incur
costly maintenance. The local government mandates fines to restaurants and any
food business establishments’ facilities that violate the grease traps
regulation.
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