Condition

Reference: Watanabe, N., Takemine, S., Yamamoto, K., Haga, Y., and Takata, M. (2016) Residual organic fluorinated compounds from thermal treatment of PFOA, PFHxA and PFOS adsorbed onto granular activated carbon (GAC) - Journal of Material Cycles & Waste Management
Scope: GAC Reactivation | Lab | Treatment Media: GAC spiked with PFOS
Treatment Temperature (°C): 700
Treatent Time: 10
Time Units: Minute
Treatment Details: Treatment time representative of time in furnace; exposed to nitrogen gas for 2 minutes at 1.5 L/min

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Analyte	Effectiveness (%)	Initial Concentration	Post Concentration	Offgas Concentration	Additional Details
PFOS	≈8%	10 mg/g	Not detected	Not detected	No PFASs remained in either quartz tube or GAC; quantification limit = 0.05 ug F; No VOF recovered in Tenax TA tube; quantification limit = 0.3 ug F; data interpolated from Fig. 4
PFOS	≈76%	10 mg/g	Not detected	Not detected	No PFASs remained in either quartz tube or GAC; quantification limit = 0.05 ug F; No VOF recovered in Tenax TA tube; quantification limit = 0.3 ug F; data interpolated from Fig. 4
PFOS	≈2%	10 mg/g	Not detected	Not detected	No PFASs remained in either quartz tube or GAC; quantification limit = 0.05 ug F; No VOF recovered in Tenax TA tube; quantification limit = 0.3 ug F; data interpolated from Fig. 4

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