Passive Free Phase Remediation Equipment

Passive skimming equipment accumulates free product over time, they do not pump product to the surface. They use floating intake filters that allows only free liquid phase product to enter or absorbent material in cage bailers. The product is removed after the skimmers are brought up to the surface. The goal satisfied by skimming systems is the collection of free product with little or no recovery of water. They also feature low cost and simple operation and maintenance.

Geotech offers two basic forms of passive skimmers:


Geotech Passive Recovery Canister (PRC)

2" PRCs4" PRC
2" PRCs with & without protective screen 4" PRC
(cutaway view)

The Geotech PRC (Product Recovery Canister) is a passive skimmer with a floating intake that separates and recovers light hydrocarbons from ground water. The Geotech PRC collects floating product down to a sheen then is emptied through a discharge valve at the bottom of the canister after being raised to the surface.

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Geotech GeoSorb Sock

2 in. and 4 in. GeoSorbs
2" (5cm) Well Size and 4" (10cm) Well Size

The GeoSorb is designed to recover free phase hydrocarbons from 2" or 4" (5cm or 10cm) and larger wells. The GeoSorb System consists of a stainless steel screened cage assembly and a product selective absorbent. The system is lowered down the well where it passively absorbs free product.

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Geotech Gravity Feed
Filter Scavenger

Geotech Gravity Feed Filter Scavenger

The Gravity Feed Filter Scavenger is a two piece housing designed to float an oil/water separator cartridge at the oil/water surface of a holding vessel. Once floated on the surface and its output hose is connected, it is ready to start recovering product.

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Geotech Hydrocarbon
Viscosity Test Kit

Geotech Hydrocarbon Viscosity Test Kit

The Hydrocarbon Viscosity Test Kit is used to determine hydrocarbon viscosity vs. applicability of the oleophilic/hydrophobic screen technology. It is especially useful when the Geotech Product Recovery System is going to be used to collect varying hydrocarbons.

The test kit comes with a glass container and lid, floatable test screens of 100 and 60 mesh, sample container, and a syringe for injecting the sample. This screen technology is used on Geotech's product line of assorted intake cartridges and Skimmer assemblies.

Call 1.800.833.7958

Hydrocarbon Viscosity Test Kit User Manual