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Scope Details

Reference
Major, D. (2019) Demonstration of Smoldering Combustion Treatment of PFAS-impacted Investigation-Derived Waste - Strategic Environmental Research and Development Program (SERDP)
Treatment Process
Smoldering
Test Scale
Lab
Matrix
Treatment Media
Matrix Detail
GAC spiked with PFAS
Data Detail
Concentration of 3 PFAS in matrix before and after treatment, 2 experimental conditions

Condition

Open ConditionTreatment Details
Open Condition 908250Minute43 g GAC/kg sand matrix; air flux = 5 cm/s; moisture content = 14%; smoldering time interpreted from Figure 5
Open Condition 950250Minute39 g GAC/kg sand matrix; air flux = 5 cm/s; moisture content = 21%; smoldering time interpreted from Figure 5

Thermal Treatment Results

PFOA908 °C | 250 minute 590 mg/kgNot detectedDetection limit = 0.4 ug/kg; data from Table 9
PFOS908 °C | 250 minute 140 mg/kgNot detectedDetection limit = 0.4 ug/kg; Data from Table 9
PFHxS908 °C | 250 minute 240 mg/kgNot detectedDetection limit = 0.4 ug/kg; Data from Table 9
PFOA950 °C | 250 minute 510 mg/kgNot detectedDetection limit = 0.4 ug/kg; data from Table 9
PFOS950 °C | 250 minute 120 mg/kgNot detectedDetection limit = 0.4 ug/kg; data from Table 9
PFHxS950 °C | 250 minute 220 mg/kgNot detectedDetection limit = 0.4 ug/kg; data from Table 9