PHYTO-INTEGRATED™ Remediation New Perspective on Phytoremediation |
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Misconceptions about Phytoremediation of Groundwater
- Results are inconsistent
- Has limited applications (shallow aquifers)
Engineered Phytoremediation
– The TreeWell® Technology Solution –
- Confidently predict hydraulic effects
- Assured remedial impact on soluble contaminants
- Treat groundwater up to 30 meters deep (and more)
- Targets specific horizons over a wide range of conditions
- Limits/Eliminates
- phytotoxicity – via bioreactor effect
- surface/rainwater confounding & irrigation needs
TreeWell Technology
– Basic Approach
1. Borehole excavated to the horizon of interest
2. Root_Sleeve liner to be placed in the hole
3. Root_Sleeve liner installed after safety platform is placed over the hole – aeration & other tubing added
4. Hole is backfilled with topsoil & selected amendments
5. Trees are planted
TreeWell Technology
– Design Options
Hydraulic and/or
Bio-Barrier
Deep Groundwater Target
Phyto-Integrated™ Remediation
“Straw” system w/replaceable cartridge
- Tree removes GW in closed system creating a hydraulic head
- GW flows into the lower piezometer screen at targeted horizon
- GW flows up through amendment cartridge for:
- treatment (Proprietary ISCR Reagents for CVOCs/ pesticides/oxidized metals, or
- sorption (metals & compounds such as PFAS)
- Treated GW enters closed system through upper screen for use by tree
Request for Demonstration Sites
Required characteristics:
- Groundwater plume that needs to be remediated
- Sufficient space and time for phytoremediation approach
- Type 1: Groundwater contamination with CVOCs, PFAS, Metals
- Type 2: Groundwater with deep contaminated layer (including
fractured bedrock strata)
Benefits:
- Lower life-time cost
- Lower maintenance
- Passive/active system that improves with time
- Green, sustainable and effective technology