From Biomin, Inc.
The use of organoclay as a pre-polisher in the remediation process can produce cost savings even if an organic contaminant such as oil is present in the water at a level as low as one part per million (ppm). This concentration amounts to 0.0000084 lb of oil per gallon of water.
Let's suppose someone installs a vessel with 1,000 lb of granular activated carbon (GAC) to remove 3 ppm of benzene at a water flow rate of 100 gallons per minute (gpm). But the 1 ppm of oil that is present is not taken into account since it is perceived to make little difference to the effectiveness of the process.
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The rule of thumb to use is that for EDC's with solubilities lower than benzene, organoclay should be used as a pre-polisher. Solubilities higher than benzene require activated carbon. In most cases,...
Organoclays have been used as a pre-polisher for activated carbon or as a post-polisher for oil/water separators and dissolved air flotation units for the removal of small amounts of oil, grease, PCB,...
Organically modified clays, also called organoclays, have found acceptance as components of sediment and soil stabilization admixtures and as a components of permeable barriers. Sediment stabilization...
Facility owners and managers can evaluate their entire wastewater treatment system, including meeting discharge permits and the possible recycling of water, and the benefits of an oil/water...
The so-called pump and treat method has been used quite extensively for the remediation of contaminated ground water. Now it is perceived by some in the field as too expensive when compared to newer...
