TECH: How it Works

Ai-Remedial Systems, LLC

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.

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 recycled for reuse at same site.

Replaceable Treatment Cartridge

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:

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.