Location: Oakey, QLD, Australia
Installation date: December 2018
Client: Australian Department of Defence Army Aviation Centre Oakey (AACO)
Site type: Military
Application: Groundwater
Product: SAFF® WTP
Capacity: 250m3/day, progressed to 345m3/day
The Solution:
- The objective of the trial was to treat PFAS contamination arising from historical fire-fighting training (i.e. AFFF 3M Lightwater® and minor usage of Ansulite® 1977-2005).
- Length of operation: Three years ongoing, recently extended.
- Water treated as of March 2023: 140ML with zero contractual failures.
- Reduced PFAS concentrated into 74L (provided to destruction cell developers under direction from Australian Defence).
Remediation Journal published Treatment Results:
| PFAS Series | Feedwater Conc. (1) (ng/l) | Treated Water Results (ng/l) | Treated Water Removal Percentage (2) |
|---|---|---|---|
| PFOS | 2,790 | < 4 | >99% |
| PFOA | 480 | < 1 | 99.80% |
| PFHxS | 1,030 | < 17 | 98.40% |
| Combined PFOS + PFHxS | 3,810 | < 11 | 99.10% |
| 8:2-FTS | 32 | < 1 | >99% |
| PFDA | 156 | < 3 | 98.80% |
| PFNA | 116 | < 1 | >99% |
| 6:2-FTS | 100 | < 6 | >99% |
| PFHpS | 104 | < 20 | 80.80% |
| PFHpA | 367 | 68 | 81.50% |
| PFHxA | 755 | 402 | 46.70% |
(1) Approx. 30,000m3 feedwater treated for commissioning phase.
(2) Removal percentage (%R) is calculated by comparing treatment results to feed and trace lab LOR (1.0 ng/l), 6:2-FTS (5.0 ng/l).
