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Condition Details

Reference
Duchesne, A.L., Brown, J.K., Patch, D.J., Major, D., Weber, K.P., and Gerhard, J.I. (2020) Remediation of PFAS-Contaminated Soil and Granular Activated Carbon by Smoldering Combustion - Environmental Science and Technology
Scope
Smoldering | Lab | Treatment Media: GAC spiked with PFAS
Treatment Temperature (°C)
1011
Treatent Time
250
Time Units
Minute
Treatment Details
46 g GAC/kg sand; air flux = 5 cm/s; smoldering velocity = 0.40 cm/min; time interpreted from supplemental information Fig S2; temperature represents average peak temperature; exact time sampled after smoldering not given; stated that temperatures at all locations in the treatment zone spent between 10 and 61 min above 900 °C; corresponds to II-2

Thermal Treatment Results

PFHxS0.195 mg/kgNot detectedData from Table S1 in supplemental information; detection limit = 0.0004 mg/kg
PFOS197.7 mg/kg0.431 mg/kgData from Table S1 in supplemental information; detection limit = 0.0004 mg/kg
HF40.6% 0 mg/kgData from Table 3