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Mississippi River Dredging Project is Provided Pumping, Mixing and
Filtration System
A major contractor was engaged by the Army Corps of Engineers to provide
dredging services on the Mississippi River. The primary focus of the
project was to land-apply dredged river bottom silt to build up wildlife
sanctuaries while improving the navigability of the waterway.
Rain for Rent Chicago was asked to provide a mixing, pumping, and filtration
system that would enable the contractor to process and separate dredged
materials without unduly disturbing the local environment. Dredged
materials (silt, organic matter, and water) were first pumped into a
specially-modified
18,100 gallon Worksafe steel open-top tank. The tank
was outfitted with several high-capacity mixers, as well as a
pre-screening device which diverted solids to a filter press.
The "batch" system kept solids in suspension until the solution was
pumped at 1250 GPM to a Rain for Rent 54-4 sand media filtration unit. The
filter clarified the water so that it could be safely returned to the
Mississippi River.
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