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The Ai-RS Technology is installed in the ground to intercept natural groundwater flow. A system can be installed near the contaminant source, near the leading edge of the plume, or both.
The Ai-RS Technology is installed in the ground to intercept natural groundwater flow. A system can be installed near the contaminant source, near the leading edge of the plume, or both.
Ai-RS Technology in a Funnel-and-Gate Configuration at a Conceptual Site:
Replaceable treatment cartridges (RTCs) are installed in each Filter Pile.
Replaceable treatment cartridges (RTCs) are installed in each Filter Pile.
HOW DOES THE RTC WORK?
Solid Permeable Reactive Materials (PRMs) are selected for contaminants of concern at a site.
Selected PRMs are enclosed within each Replaceable Treatment Cartridge (RTC). Note that solid PRMs of a variety of types suitable for treating a variety of contaminants are commercially-available from several vendors.
RTCs are lowered down each Filter Pile, the seal is inflated, and monitoring ports are connected.
Contaminated groundwater flows vertically through the RTC and reacts with the PRMs.
When the PRMs in an RTC are spent, the RTC is removed from the Filter Pile and a new RTC is inserted.
RTCs can be refreshed for reuse at the same site. Spent PRMs are refreshed, recycled, or disposed of, depending on the specifics of the remediation.
Replaceable Treatment Cartridge
A section view shows the Ai-RS Technology installed in the ground and configured for downward flow:
A section view shows the Ai-RS Technology installed in the ground and configured for downward flow:
The system can also be configured for upward flow. The groundwater gradient drives flow upward through the Filter Pile and RTC:
The system can also be configured for upward flow. The groundwater gradient drives flow upward through the Filter Pile and RTC:
Monitoring ports are integrated into the system and can be used to sample pre-, post-, and during treatment. In addition, any gas developed in the pile can be monitored and the condition of the PRMs can be directly assessed:
Monitoring ports are integrated into the system and can be used to sample pre-, post-, and during treatment. In addition, any gas developed in the pile can be monitored and the condition of the PRMs can be directly assessed:
Filter Piles and sheet piles can be combined and installed in any arrangement, as required by a remedial design.
Filter Piles and sheet piles can be combined and installed in any arrangement, as required by a remedial design.
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