Grease Removal Systems - page 9

• 9
Each year, commercial and industrial
kitchens generate millions of pounds
of grease. If allowed to enter a sewer
system, this grease will cool and
coagulate on the piping. Solidified
grease on pipe interiors restricts flow
and causes capacity problems and
blockages. These blockages can
cause raw sewage to back up and spill
out of manholes and onto city streets,
properties and into the basements of
homes and businesses.
These sanitary sewer overflows are
unsightly and unpleasant, present
potential health hazards and make
clean up difficult. They are also time
consuming and costly. In the worst-
case scenario, raw sewage can
overflow to a storm sewer or directly
into streams, rivers, lakes or oceans.
These overflows are illegal and
constitute a serious environmental,
economic and public health threat.
The U.S. EPA now requires that
municipal sewer authorities implement
a pre-treatment program to regulate
and control grease discharges to
reduce and eliminate sanitary sewer
overflows. The new EPA regulations
impact most food service establishments
that discharge wastewater into a sanitary
sewer. These facilities may now be
required to install pretreatment
systems, like high performance
automatic grease removal devices
or large volume gravity grease
interceptors, in order to comply with
their grease discharge requirements.
By reducing the levels of grease
discharged into the sewer system,
the program ensures the protection
of America's multi-billion dollar public
investment in our treatment infrastructure
and the improvement of our nation's
water quality.
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