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TCE Contaminated Groundwater Was Pumped By A Power Prime High-Head Centrifugal Pump To A Rain For Rent Mobile Particulate Filter Utilizing Combined Bag And Cartridge Filter Media To Remove Solids And Sediments, Achieving Filtration Efficiency

A Milwaukee-based environmental engineering and contracting firm contacted Rain for Rent Chicago for assistance with a field remediation project in southeastern Wisconsin. The site in questions was once home to a metals-treating and finishing business and was known to be significantly contaminated with the industrial solvent TCE.

The engineering firm needed to build a large culvert and water-transport system to move contaminated groundwater from numerous points across the site to a central, permanent, water treatment facility that they were under contract to design and construct. A portion of the right-of-way within which the culvert was to be constructed was determined to be significantly contaminated. Field testing showed groundwater TCE levels of 2 to 3 parts-per-million. The existing treatment facility at the site could only process contaminated groundwater flows of 75 GPM. Rain for Rent Chicago designed a comprehensive temporary filtration system to address this problem.

The client supplied a wellpoint dewatering system which produced 250-350 GPM flows. Rain for Rent supplied a 18,100 gallon Worksafe steel double weir tank to assist in the settling of larger solids and sediments pumped from the wellpoint dewatering system. From the weir tank, TCE contaminated groundwater was pumped by a Power Prime HH80 high-head centrifugal pump to a Rain for Rent PF400 mobile particulate filter which utilized combined bag and cartridge filter media to remove additional solids and sediments, achieving a filtration efficiency of .5 microns.

The filtered groundwater was then pumped through two 4,000 lb granular activated carbon (GAC) pressure vessels, providing a polish treatment which allowed the client to meet his WPDES discharge permit limit of <50 parts-per-billion TCE. For added security, the client requested Rain for Rent Spillguard containment berms for the rental tank, pump and filtration units used in the process system.

Rain for Rent Chicago specializes in assisting its clients with the specification, design, delivery, and installation of comprehensive temporary solutions to their liquid storage, handling, processing, and filtration problems.