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The SubflowRx is installed in the ground to intercept natural groundwater flow. The modular remedial system can be installed near the contaminant source, near the leading edge of the plume, or both.
The SubflowRx is installed in the ground to intercept natural groundwater flow. The modular remedial system can be installed near the contaminant source, near the leading edge of the plume, or both.
Plan view of the SubflowRx in a funnel-and-gate configuration at a conceptual site:
Replaceable treatment cartridges are installed in each PileGate.
Replaceable treatment cartridges are installed in each PileGate.
How does the CartridgeRx work?
Solid permeable reactive materials (PRMs) are selected or developed for contaminants of concern at a site.
Selected PRMs are enclosed within each CartridgeRx. Solid PRMs suitable for treating a variety of contaminants are commercially-available from several vendors.
Each CartridgeRx is lowered down a PileGate, the pneumatic seal is inflated, and monitoring ports are connected.
Contaminated groundwater flows vertically through the CartridgeRx and reacts with the PRMs.
When the PRMs in an CartridgeRx are spent, the CartridgeRx is removed from the PileGate and a new or recycled CartridgeRx is inserted.
Each CartridgeRx can be reloaded and reused at the same site. Spent PRMs are refreshed, recycled, regenerated, or disposed of depending on the specifics of the remedial plan.
A section view shows the SubflowRx installed in the ground and configured for downward flow:
A section view shows the SubflowRx installed in the ground and configured for downward flow:
The SubflowRx can also be configured for upward flow. The groundwater gradient drives flow upward through the PileGate and CartridgeRx:
The SubflowRx can also be configured for upward flow. The groundwater gradient drives flow upward through the PileGate and CartridgeRx:
Monitoring ports are integrated into the SubflowRx and can be used to sample pre-, post-, and during treatment. In addition, any gas generated in the PileGate from interactions with the contaminated groundwater and PRMs can be monitored and the condition of the PRMs can be directly assessed:
Monitoring ports are integrated into the SubflowRx and can be used to sample pre-, post-, and during treatment. In addition, any gas generated in the PileGate from interactions with the contaminated groundwater and PRMs can be monitored and the condition of the PRMs can be directly assessed:
PileGates and sheet piles can be connected and installed in any arrangement, as required by a remedial design.
PileGates and sheet piles can be connected and installed in any arrangement, as required by a remedial design.
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