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Scope

Scope Details

Reference
Xiao, F., Sasi, P.C., Yao, B., Kubatova, A., Golovko, S.A., Golovko, M.Y., and Soli, D. (2020) Thermal Stability and Decomposition of Perfluoroalkyl Substances on Spent Granular Activated Carbon - Environmental Science and Technology Letters
Treatment Process
GAC Reactivation
Test Scale
Lab
Matrix
Treatment Media
Matrix Detail
GAC
Data Detail
Decomposition efficiency of 8 PFAS for various combinations of temperature, time, and gas condtions (N2, CO2, Air); yield of fluorine and organofluorine products from PFOS and PFOA at various temperatures; identification of gaseous products (supplemental information may have more quantitative data)

Condition

Open Condition
Treatment Temperature
Treatment Time
Time Units
Treatment Details
Open Condition 18530MinuteThermal treatment under flow of nitrogen (200 mL/min); Treatment temperature interpolated from Figure 3a through 3h
Open Condition 20030MinuteThermal treatment under flow of nitrogen (200 mL/min); Treatment temperature interpolated from Figure 3a through 3h
Open Condition 25030MinuteThermal treatment under flow of nitrogen (200 mL/min); Treatment temperature interpolated from Figure 3a through 3h
Open Condition 2530MinuteThermal treatment in closed air system; Treatment temperature interpolated from Figure 3i; Treatment time inferred from paragraph 6 of section titled "Thermal Stability of PFAS"
Open Condition 47530MinuteThermal treatment under flow of nitrogen (200 mL/min); Treatment temperature interpolated from Figure 3a through 3h
Open Condition 50030MinuteThermal treatment under flow of nitrogen (200 mL/min); Treatment temperature interpolated from Figure 3a through 3h
Open Condition 15030MinuteThermal treatment in closed air system; Treatment temperature interpolated from Figure 3i; Treatment time inferred from paragraph 6 of section titled "Thermal Stability of PFAS"
Open Condition 20030MinuteThermal treatment under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 3a through 3h
Open Condition 20030MinuteThermal treatment in closed air system; Treatment temperature interpolated from Figure 3i; Treatment time inferred from paragraph 6 of section titled "Thermal Stability of PFAS"
Open Condition 30030MinuteThermal treatment under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 3a through 3h
Open Condition 47530MinuteThermal treatment under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 3a through 3h
Open Condition 50030MinuteThermal treatment under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 3a through 3h
Open Condition 25030MinuteThermal treatment in closed air system; Treatment temperature interpolated from Figure 3i; Treatment time inferred from paragraph 6 of section titled "Thermal Stability of PFAS"
Open Condition 50030MinuteThermal treatment in closed air system; Treatment temperature interpolated from Figure 3i; Treatment time inferred from paragraph 6 of section titled "Thermal Stability of PFAS"
Open Condition 2005MinuteThermal treatment in closed air system; Treatment time interpolated from Figure 3j
Open Condition 20010MinuteThermal treatment in closed air system; Treatment time interpolated from Figure 3j
Open Condition 20020MinuteThermal treatment in closed air system; Treatment time interpolated from Figure 3j
Open Condition 20040MinuteThermal treatment in closed air system; Treatment time interpolated from Figure 3j
Open Condition 20060MinuteThermal treatment in closed air system; Treatment time interpolated from Figure 3j
Open Condition 15030MinuteThermal treatment in closed air system; Treatment temperature interpolated from Figure 3k; Treatment time inferred from paragraph 6 of section titled "Thermal Stability of PFAS"
Open Condition 40030MinuteThermal treatment in closed air system; Treatment temperature interpolated from Figure 3k; Treatment time inferred from paragraph 6 of section titled "Thermal Stability of PFAS"
Open Condition 45030MinuteThermal treatment in closed air system; Treatment temperature interpolated from Figure 3k; Treatment time inferred from paragraph 6 of section titled "Thermal Stability of PFAS"
Open Condition 50030MinuteThermal treatment in closed air system; Treatment temperature interpolated from Figure 3k; Treatment time inferred from paragraph 6 of section titled "Thermal Stability of PFAS"
Open Condition 5005MinuteThermal treatment in closed air system; Treatment time interpolated from Figure 3l
Open Condition 50010MinuteThermal treatment in closed air system; Treatment time interpolated from Figure 3l
Open Condition 50020MinuteThermal treatment in closed air system; Treatment time interpolated from Figure 3l
Open Condition 50040MinuteThermal treatment in closed air system; Treatment time interpolated from Figure 3l
Open Condition 100Not reportedThermal treatment in open system under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 150Not reportedThermal treatment in open system under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 200Not reportedThermal treatment in open system under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 350Not reportedThermal treatment in open system under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 450Not reportedThermal treatment in open system under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 500Not reportedThermal treatment in open system under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 600Not reportedThermal treatment in open system under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 700Not reportedThermal treatment in open system under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 800Not reportedThermal treatment in open system under flow of carbon dioxide (200 mL/min); Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 200Not reportedThermal treatment in closed air system; Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 400Not reportedThermal treatment in closed air system; Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 450Not reportedThermal treatment in closed air system; Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given
Open Condition 500Not reportedThermal treatment in closed air system; Treatment temperature interpolated from Figure 4a and 4b; Treatment time not given

Thermal Treatment Results

Link to Results Record
Analyte
Condition
Effectiveness (%)
Effectiveness Measure
Initial Concentration
Post Concentration
Offgas Concentration
Additional Details
PFBA185 °C | 30 minute ≈94% Percent Decomposition EfficiencyData interpolated from Figure 3a
PFPeA185 °C | 30 minute ≈93% Percent Decomposition EfficiencyData interpolated from Figure 3b
PFHpA185 °C | 30 minute ≈87% Percent Decomposition EfficiencyData interpolated from Figure 3c
GenX185 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3e
PFBS185 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3f
PFHxS185 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3g
PFBA200 °C | 30 minute ≈98% Percent Decomposition EfficiencyData interpolated from Figure 3a
PFPeA200 °C | 30 minute ≈94% Percent Decomposition EfficiencyData interpolated from Figure 3b
PFHpA200 °C | 30 minute ≈90% Percent Decomposition EfficiencyData interpolated from Figure 3c
PFOA200 °C | 30 minute ≈76% Percent Decomposition EfficiencyData interpolated from Figure 3d
GenX200 °C | 30 minute ≈99.8% Percent Decomposition EfficiencyData interpolated from Figure 3e
PFBS200 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3f
PFHxS200 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3g
PFOS200 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3h
PFBA250 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3a
PFPeA250 °C | 30 minute ≈95% Percent Decomposition EfficiencyData interpolated from Figure 3b
PFHpA250 °C | 30 minute ≈97% Percent Decomposition EfficiencyData interpolated from Figure 3c
PFOA250 °C | 30 minute ≈86% Percent Decomposition EfficiencyData interpolated from Figure 3d
GenX250 °C | 30 minute ≈99.8% Percent Decomposition EfficiencyData interpolated from Figure 3e
PFBS250 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3f
PFHxS250 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3g
PFOS250 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3h
PFBA475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3a
PFPeA475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3b
PFHpA475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3c
PFOA475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3d
GenX475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3e
PFBS475 °C | 30 minute ≈97% Percent Decomposition EfficiencyData interpolated from Figure 3f
PFHxS475 °C | 30 minute ≈98% Percent Decomposition EfficiencyData interpolated from Figure 3g
PFOS475 °C | 30 minute ≈98% Percent Decomposition EfficiencyData interpolated from Figure 3h
PFBA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3a
PFPeA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3b
PFHpA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3c
PFOA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3d
GenX500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3e
PFBS500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3f
PFHxS500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3g
PFOS500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3h
PFBA200 °C | 30 minute ≈95% Percent Decomposition EfficiencyData interpolated form Figure 3a
PFPeA200 °C | 30 minute ≈87% Percent Decomposition EfficiencyData interpolated form Figure 3b
PFHpA200 °C | 30 minute ≈96% Percent Decomposition EfficiencyData interpolated form Figure 3c
PFOA200 °C | 30 minute ≈90% Percent Decomposition EfficiencyData interpolated form Figure 3d
GenX200 °C | 30 minute ≈99.6% Percent Decomposition EfficiencyData interpolated form Figure 3e
PFBS200 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated form Figure 3f
PFHxS200 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated form Figure 3g
PFOS200 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated form Figure 3h
PFBA300 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3a
PFPeA300 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3b
PFHpA300 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3c
PFOA300 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3d
GenX300 °C | 30 minute ≈99.9% Percent Decomposition EfficiencyData interpolated from Figure 3e
PFBS300 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3f
PFHxS300 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3g
PFOS300 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3h
PFBA475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3a
PFPeA475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3b
PFHpA475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3c
PFOA475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3d
GenX475 °C | 30 minute ≈99.9% Percent Decomposition EfficiencyData interpolated from Figure 3e
PFBS475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3f
PFHxS475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3g
PFOS475 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3h
PFBA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3a
PFPeA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3b
PFHpA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3c
PFOA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3d
GenX500 °C | 30 minute ≈99.9% Percent Decomposition EfficiencyData interpolated from Figure 3e
PFBS500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3f
PFHxS500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3g
PFOS500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3h
PFBA25 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFPeA25 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFHpA25 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFOA25 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3i
HFPO-DA25 °C | 30 minute ≈0% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFBA150 °C | 30 minute ≈5% Percent Fluorine RecoveryData interpolated from Figure 3i
PFPeA150 °C | 30 minute ≈25% Percent Fluorine RecoveryData interpolated from Figure 3i
PFHpA150 °C | 30 minute ≈10% Percent Fluorine RecoveryData interpolated from Figure 3i
PFOA150 °C | 30 minute ≈4% Percent Fluorine RecoveryData interpolated from Figure 3i
HFPO-DA150 °C | 30 minute ≈99% Percent Fluorine RecoveryData interpolated from Figure 3i
PFBA200 °C | 30 minute ≈95% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFPeA200 °C | 30 minute ≈95% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFHpA200 °C | 30 minute ≈98% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFOA200 °C | 30 minute ≈98% Percent Decomposition EfficiencyData interpolated from Figure 3i
HFPO-DA200 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFBA250 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3i; additional trials at 50 degree intervals produced ~99% decomposition efficiency, up to 500 degrees C
PFPeA250 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3i; additional trials at 50 degree intervals produced ~99% decomposition efficiency, up to 500 degrees C
PFHpA250 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3i; additional trials at 50 degree intervals produced ~99% decomposition efficiency, up to 500 degrees C
PFOA250 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3i; additional trials at 50 degree intervals produced ~99% decomposition efficiency, up to 500 degrees C
HFPO-DA250 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3i; additional trials at 50 degree intervals produced ~99% decomposition efficiency, up to 500 degrees C
PFBA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFPeA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFHpA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFOA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3i
HFPO-DA500 °C | 30 minute ≈99% Percent Decomposition EfficiencyData interpolated from Figure 3i
PFBA200 °C | 5 minute ≈28% Percent Decomposition EfficiencyData interpolated from Figure 3j
PFPeA200 °C | 5 minute ≈42% Percent Decomposition EfficiencyData interpolated from Figure 3j
PFHpA200 °C | 5 minute ≈16% Percent Decomposition EfficiencyData interpolated from Figure 3j
PFOA200 °C | 5 minute ≈4% Percent Decomposition EfficiencyData interpolated from Figure 3j
HFPO-DA200 °C | 5 minute ≈90% Percent Decomposition EfficiencyData interpolated from Figure 3j
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Last updated on October 15, 2024.