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Free Phase Hydrocarbon
Remediation Equipment
Removing floating free product without recovering water.
Used often for emergency or short-term remedial actions where long-term hydraulic control of the dissolved hydrocarbon plume is not required. They are also used in conjunction with other free product removal programs. Large filter skimmers can remove hydrocarbons at a high rate in quiet open water, large diameter wells and sumps.
| Passive Free Phase Remediation Equipment |
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Passive systems do not pump free product, they slowly accumulate it using a floating intake filter cartridge or an absorbent material in a bailer.
They feature these advantages:
- Low capital cost
- Skims thin layers
- Moves with fluctuating groundwater tables
- Simple operation and maintenance
| Pneumatic Free Phase Hydrocarbon Remediation Equipment |  |
Pneumatic skimming systems that use bladder pumps attached to floating skimmers, or a pump at the surface, to pump floating free product to recovery tanks. Skimmer filters are constructed of a oleophilic/hydrophobic material that allows only free liquid phase product to enter.
They feature these advantages:
- Easy and quick installation
- Relatively low capital cost
- Skims thin layers
- Moves with fluctuating groundwater tables
- Can be adjusted so that very little water is produced
- Pumps are durable
- Applicable when lower product recharge rates exist
| Electric Free Phase Hydrocarbon Remediation Equipment |
 |
Active electric systems use electric pumps to automatically pump separated product to the surface and into product recovery tanks. Electrically operated skimming systems use oleophilic/hydrophobic filters to separate the product. Sensor probe systems locate the hydrocarbon layer in the water and then pump only the product up to the surface.
They feature these advantages:
- Relatively low capital cost
- Skims thin layers
- Can be adjusted so that very little water is produced
- Pumps are durable
- Utilized when higher product recharge rates exist
A Geotech Small Diameter Filter Scavenger being
inserted into a well.
A Solar Sipper set up at an old refinery site.
Geotech 2" PRC (Product Recovery Canister) Passive Skimmer.