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Scope Details

Reference
Feng, Y., Zhou, Y., Lee, P., Shih, K. (2016) Mineralization of perfluorooctanesulfonate (PFOS) and perfluorodecanoate (PFDA) from aqueous solution by porous hexagonal boron nitride: adsorption followed by simultaneous thermal decomposition and regeneration - RSC Advances
Treatment Process
Calcining
Test Scale
Lab
Matrix
Treatment Media
Matrix Detail
Spent boron nitride adsorbent
Data Detail
Surface concentration of PFDA and PFOS (mg/m2) on spent adsorbent (Fig 6 a & b); concentration after calcining of 7 PFAS (not detected, detection limit not specified, per text section 3.4)

Condition

Open ConditionTreatment Details
Open Condition 20020MinuteTreatment time represents amount of time spent at final temperature of 600 degrees Celsius; assumed time at treatment temperature is less
Open Condition 60020MinuteTreatment time represents amount of time spent at final temperature of 600 degrees Celsius

Thermal Treatment Results

PFOS200 °C | 20 minute ≈99% Percent RemainingPFHxS, PFBuS, PFNA, PFOA, and PFHpA not detected; data interpolated from Figure 6
PFDA200 °C | 20 minute ≈2% Percent RemainingPFHxS, PFBuS, PFNA, PFOA, and PFHpA not detected; data interpolated from Figure 6
PFOS600 °C | 20 minute ≈18% Percent RemainingNoted that degradation of PFOS began at ~480 degrees Celsius; PFHxS, PFBuS, PFNA, PFOA, and PFHpA not detected; data interpolated from Figure 6
PFDA600 °C | 20 minute ≈3% Percent RemainingPFHxS, PFBuS, PFNA, PFOA, and PFHpA not detected; data interpolated from Figure 6