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SEDIMENT TREATMENT TECHNOLOGIES
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Catalog excerpts

SEDIMENT TREATMENT TECHNOLOGIES - 1

SEDIMENT TREATMENT TECHNOLOGIES ““SSuuppeerriioorr SSeeddiimeenntt RReemeeddiiaattiioonn PPrroodduuccttss””

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SEDIMENT TREATMENT TECHNOLOGIES - 2

Contaminated Sediment Remediation As attention turns toward contaminated sediment remediation, traditional remediation methods such as dredging and sand caps provide widely varying results due to environmental, operational, and economic factors. As a result, active in-situ treatment offers many advantages which can be tailored to a specifi c application. In-situ sediment treatment involves the sub-aqueous placement of a barrier layer with an active component over contaminated sediment, reducing the potential for contaminant exposure by preventing resuspension and transport to other...

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SEDIMENT TREATMENT TECHNOLOGIES - 3

Reactive Core Mat® Applications & Benefi ts 1 Reactive Core Mat® Reduces Required Cap Thickness Thick Sand Cap Contaminated Sediment VS Thin Sand Cap Contaminated Sediment Geotextile RCM® 2’ 6” Reactive Core Mat® Illustration of a Sub- Aqueous Installation 2 In-Situ Treatment of Contaminated Sediment Reactive Core Mat® is deployed as an active in-situ treatment layer directly over contaminated sediments. Insitu treatment can be done as a substitute or in combination with dredging activities. • Mitigates dissolved contaminant transport into surface water • Adsorptive capacity reduces...

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SEDIMENT TREATMENT TECHNOLOGIES - 4

Triton® Marine Mattress Applications & Benefi ts Triton® Marine Mattress System Confi gured with Reactive Core Mat® Reactive Core Mat® (RCM) can be used in conjunction with a traditional rock-fi lled Triton® Marine Mattress. The RCM is placed below the rock-fi lled marine mattress and affi xed with metal fasteners. • Allows RCM to be deployed in high fl ow current and/or deep waterways • Extensions on two sides provide placement tolerance • Polypropylene (PP) or copolymer geogrid provides resistance to biological, chemical and salt water degradation • Geosynthetic reinforcement offers...

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SEDIMENT TREATMENT TECHNOLOGIES - 5

1 Sediment Treatment with Organoclay® Bulk Media Organoclay® Bulk Media is a granular, high-capacity organic adsorptive material. When Organoclay® Bulk Media is mixed with coarse sand, it can be applied in thick layers over contaminated sediment in waterways to provide a permeable active treatment layer. 5 ft. Organoclay® Bulk Media Features & Benefi ts • Provides subaqueous chemical isolation of contaminated sediment NAPL seeps in waterways • Mitigates organic contaminant transport into waterways • Adsorptive capacity reduces required thickness compared to in-situ sand cap • Adsorptive...

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SEDIMENT TREATMENT TECHNOLOGIES - 6

Stryker Bay - Duluth, MN Application: In-situ sub-aqueous sediment treatment on former industrial site Challenge: From the late 1800s through 1962, the harbor area was ringed with tar and coke plants, heavy industry and slaughterhouses that all discharged industrial waste into the water. Coal tar in some areas is 13 feet thick under the water. The sediment in the bay, slips and part of the river is contaminated with mercury, polyaromatic hydrocarbons, lead and other toxins as well as a NAPL seep on the east side. Solution: The sediment remedy for the bay was a sheet pile wall installed in...

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SEDIMENT TREATMENT TECHNOLOGIES - 7

Wood Treatment Facility - Russellville, KY Application: DNAPL barrier/product collection trench at wood treatment facility Challenge: Creosote contamination from the old wood treatment site historically dripped from the recently treated timbers causing a direct issue with local fauna. Solution: In order to create a barrier to stop the migration of the contaminant, engineers used CETCO’s Reactive Core Mat®. Reactive Core Mat® offered a quick installation solution to create a barrier. Engineers back hoed a trench, laid out the Reactive Core Mat®, added a collection pipe, and fi lled the hole...

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SEDIMENT TREATMENT TECHNOLOGIES - 8

CETCO 714.384.0111 / 800.527.9948 Visit us at sedimentremediation.com or cetco.com (click on Remediation Technologies)

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