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QED Skimmers |
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SOS & SPG Skimmers for Product
Recovery Pumps |
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There
are two main types of skimmer technologies, available as a quick connect
attachment, for QED remediation bladder pumps such as the
Genie:
Selective Oil Skimmers (SOS) and Specific Gravity Skimmers (SPG). To help
determine which skimmer is the better fit given the unique attributes
associated with each site and the hydrocarbons present, the following are
some general guidelines and rules to follow. |
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Selective Oil Skimmer
(SOS)
The Selective Oil Skimmer (SOS) should be used under the following
conditions:
- The product has a low viscosity, such as
gasoline, diesel, and jet fuels (< 200 centistokes)
- If product needs to be removed to a
sheen (= 0.25 mm).
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Specific Gravity Skimmer
(SPG)
The Specific Gravity Skimmer (SPG) is extremely durable and removes high
volumes of free-floating product when a 25 mm product layer or greater
is present. This skimmer should be used under any combination of the
following conditions:
- The product is viscous (200-1000
centistokes)
- Hydrocarbon has a specific gravity of
0.85 or less
- Large quantities of product exist or
well recharge rates are high
- Water drawdown is desired in a 50 mm
well.
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