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Organoclays
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ORGANOCLAY®
Product Description
Organoclay® F/Organoclay® are proprietary granular adsorption media highly effective in removing oils, greases and other high molecular weight/low solubility organics. Organoclay-F/Organcolay are specially modified sorbents altered to an organophilic state making them attractive to organic molecules.
Applications
Organoclay F/Organoclay are applied as flow through media for treating groundwater and leachate. Applied in fixed bed vessels or disposable cartridges, they can be used as a pre-treatment to granular activated carbon (GAC) and increase overall efficiency by preventing surface pores from blinding caused by oils, greases and other less water soluble organics.
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Figure 1:
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Activated carbon surface area sorption
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Figure 2:
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Blinded activated carbon pore resulting in lower organic adsorption
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Figure A:
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Clay platelets
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Figure B:
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Clay surface chemically modified
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Figure C:
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Organoclay F saturated with organic matter
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Product Description
- Mitigates organic contaminant transport into waterways
- Adsorptive capacity reduces required thickness compared to in-situ sand cap
- Adsorptive capability provides a sub-aqueous chemical isolation of contaminated sediment mitigating organic contaminant transport into the waterway
- High capacity for low-soluble organics provides treatment for NAPL, oils and grease extending cap life and reducing overall costs
- Functions as an active treatment layer within a cap to reduce the overall cap thickness required when compared to a conventional sand cap
Applications
To provide subaqueous chemical isolation of contaminated sediment NAPL seeps in waterways.
Product Description
Organoclay MRM is a granular, permeable, high-capacity organic adsorptive material specially designed to adsorb mercury and arsenic from contaminated sediments. Organoclay-MRM can be applied in thick layers over sediments.
Applications
Organoclay MRM is ideal for use in sediment caps or other remediation applications where metals are present in addition to organic contaminants.
Associated Documents
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Organoclays create permeable barriers for contaminated soil and solids in river and stream beds
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CETCO
Remediation Technologies
Organoclays
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