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Scope

Scope Details

Reference
Strathmann, T.J., Higgins, C., and Deeb, R. (2020) Hydrothermal Technologies for On-Site Destruction of Site Investigation Wastes Contaminated with Per- and Polyfluoroalkyl Substances (PFAS) - Strategic Environmental Research and Development Program (SERDP)
Treatment Process
Hydrothermal Treatment
Test Scale
Lab
Matrix
Soil
Matrix Detail
PFAS-contaminated soils from Wurtsmith AFB, Jacksonville NAS, and Peterson AFB
Data Detail
PFAS concentrations measured before and after treatment (hydrothermal reaction at 350C, 5 mol/L NaOH, and a reaction time of 90 min.) in contaminated soils. Soil properties found in Table 4.5.2 of text pg. 63/89

Condition

Open Condition
Treatment Temperature
Treatment Time
Time Units
Treatment Details
Open Condition 35090Minute5 mol/L NaOH amendment; 0.5 g of each soil were added to reactors together with 3 ml of the NaOH solution (20 wt% solid suspension) before sealing and subjecting to reaction conditions. pg. 30/80

Thermal Treatment Results

Link to Results Record
Analyte
Condition
Effectiveness (%)
Effectiveness Measure
Initial Concentration
Post Concentration
Offgas Concentration
Additional Details
PFPeA350 °C | 90 minute >99.99% Percent Removed146 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFHxA350 °C | 90 minute >99.99% Percent Removed340 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFHpA350 °C | 90 minute >99.97% Percent Removed35.3 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFOA350 °C | 90 minute >99.99% Percent Removed150 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFNA350 °C | 90 minute >99.42% Percent Removed1.73 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFDA350 °C | 90 minute >99.75% Percent Removed7.85 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFUnA350 °C | 90 minute >99.75% Percent Removed3.93 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFDoA350 °C | 90 minute >99.84% Percent Removed12.5 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFOSA350 °C | 90 minute >99.99% Percent Removed223 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
MeFOSA350 °C | 90 minute >99.68% Percent Removed6.16 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
FOSAA350 °C | 90 minute >99.89% Percent Removed18 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
N-MeFOSAA350 °C | 90 minute 99.34% Percent Removed619 ng/g 4.1 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
FtS 6:2350 °C | 90 minute >99.99% Percent Removed215 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
FtS 8:2350 °C | 90 minute >99.99% Percent Removed97.8 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
10:2 FTS350 °C | 90 minute >99.59% Percent Removed4.88 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
6:2 UFTCA350 °C | 90 minute >91.3% Percent Removed1.38 ng/g <0.12 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFPrS350 °C | 90 minute 91.8% Percent Removed16.2 ng/g 1.33 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFBS350 °C | 90 minute 94.98% Percent Removed156 ng/g 7.82 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFPeS350 °C | 90 minute 94.63% Percent Removed355 ng/g 19.1 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFHxS350 °C | 90 minute 92.83% Percent Removed3960 ng/g 284 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFHpS350 °C | 90 minute 95.88% Percent Removed62.8 ng/g 2.59 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFOS350 °C | 90 minute 93.67% Percent Removed22900 ng/g 1450 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFNS350 °C | 90 minute 99.37% Percent Removed1900 ng/g 11.9 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFDS350 °C | 90 minute 99.54% Percent Removed1390 ng/g 6.32 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFDoS350 °C | 90 minute 99.83% Percent Removed683 ng/g 1.19 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
Cl-O-PFNS350 °C | 90 minute >81.82% Percent Removed0.11 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Wurtsmith AFB before and after alkaline hydrothermal treatment; Table 4.5.3 pg. 63/89
PFHxA350 °C | 90 minute 81.23% Percent Removed10.1 ng/g 1.89 ng/g Measured PFAS composition in PFAS-contaminated soil from Jacksonville NAS before and after alkaline hydrothermal treatment; Table 4.5.4 pg. 64/89
PFOA350 °C | 90 minute >99.92% Percent Removed12.6 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Jacksonville NAS before and after alkaline hydrothermal treatment; Table 4.5.4 pg. 64/89
PFDA350 °C | 90 minute >97.47% Percent Removed0.79 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Jacksonville NAS before and after alkaline hydrothermal treatment; Table 4.5.4 pg. 64/89
PFOSA350 °C | 90 minute >99.93% Percent Removed29.1 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Jacksonville NAS before and after alkaline hydrothermal treatment; Table 4.5.4 pg. 64/89
FtS 6:2350 °C | 90 minute >99.99% Percent Removed139 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Jacksonville NAS before and after alkaline hydrothermal treatment; Table 4.5.4 pg. 64/89
FtS 8:2350 °C | 90 minute >99.96% Percent Removed23.6 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Jacksonville NAS before and after alkaline hydrothermal treatment; Table 4.5.4 pg. 64/89
PFBS350 °C | 90 minute 98.16% Percent Removed5.37 ng/g 0.1 ng/g Measured PFAS composition in PFAS-contaminated soil from Jacksonville NAS before and after alkaline hydrothermal treatment; Table 4.5.4 pg. 64/89
PFPeS350 °C | 90 minute >99.19% Percent Removed2.46 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Jacksonville NAS before and after alkaline hydrothermal treatment; Table 4.5.4 pg. 64/89
PFHxS350 °C | 90 minute >99.22% Percent Removed76.5 ng/g <0.6 ng/g Measured PFAS composition in PFAS-contaminated soil from Jacksonville NAS before and after alkaline hydrothermal treatment; Table 4.5.4 pg. 64/89
PFHpS350 °C | 90 minute >66.67% Percent Removed0.06 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Jacksonville NAS before and after alkaline hydrothermal treatment; Table 4.5.4 pg. 64/89
PFOS350 °C | 90 minute 95.29% Percent Removed490 ng/g 23.1 ng/g Measured PFAS composition in PFAS-contaminated soil from Jacksonville NAS before and after alkaline hydrothermal treatment; Table 4.5.4 pg. 64/89
PFPeA350 °C | 90 minute >99.99% Percent Removed122 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFHxA350 °C | 90 minute 99.67% Percent Removed115 ng/g 0.38 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFOA350 °C | 90 minute 94.46% Percent Removed16.8 ng/g 0.93 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFDA350 °C | 90 minute -189.92% Percent Removed0.18 ng/g 0.52 ng/g ***In increase in PFDA concentration is attributed to an artifact in the chemical analysis procedure. Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFOSA350 °C | 90 minute >99.93% Percent Removed30 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
FtS 6:2350 °C | 90 minute >99.98% Percent Removed47.5 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
FtS 8:2350 °C | 90 minute >99.97% Percent Removed34.1 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFPrS350 °C | 90 minute >99.33% Percent Removed9 ng/g <0.06 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFBS350 °C | 90 minute 99.43% Percent Removed47.2 ng/g 0.27 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFPeS350 °C | 90 minute >99.94% Percent Removed35 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFHxS350 °C | 90 minute >99.69% Percent Removed194 ng/g <0.6 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFHpS350 °C | 90 minute >99.57% Percent Removed4.68 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFOS350 °C | 90 minute 99.72% Percent Removed7310 ng/g 20.6 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFNS350 °C | 90 minute >99.98% Percent Removed51.4 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
PFDS350 °C | 90 minute >98.43% Percent Removed1.27 ng/g <0.02 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
Cl-PFOS350 °C | 90 minute >99.97% Percent Removed36.8 ng/g <0.01 ng/g Measured PFAS composition in PFAS-contaminated soil from Peterson AFB before and after alkaline hydrothermal treatment; Table 4.5.5 pg. 64/89
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Last updated on October 15, 2024.