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Scope

Scope Details

Reference
Watanabe, N., Takata, M., Takemine, S., and Yamamoto, K. (2018) Thermal mineralization behavior of PFOA, PFHxA, and PFOS during reactivation of granular activated carbon (GAC) in nitrogen atmosphere - Environmental Science and Pollution Research
Treatment Process
GAC Reactivation
Test Scale
Lab
Matrix
Other
Matrix Detail
Pure PFAS
Data Detail
Recovery rate of mineralized F and percent remaining of total PFCAs for 3 pure PFAS under 3 gas conditions (N2, steam, steam+NaOH)

Condition

Open Condition
Treatment Temperature
Treatment Time
Time Units
Treatment Details
Open Condition 70010MinuteHeated in nitrogen gas environment in quartz tube
Open Condition 70010MinuteHeated in steamed environment in quartz tube
Open Condition 70010MinuteHeated in steamed environment with NaOH added in quartz tube

Thermal Treatment Results

Link to Results Record
Analyte
Condition
Effectiveness (%)
Effectiveness Measure
Initial Concentration
Post Concentration
Offgas Concentration
Additional Details
PFOA700 °C | 10 minute 27% Percent Fluorine RecoveryInitial value not given; PFOA reagent (>95%) was applied directly into the heated environment
PFOA700 °C | 10 minute 13% Percent Fluorine Recovery
PFOA700 °C | 10 minute 30% Percent Fluorine RecoveryInitial value not given; PFOA reagent (>95%) was applied directly into the heated environment
PFHxA700 °C | 10 minute 17% Percent Fluorine RecoveryInitial value not given; PFHxA reagent (>97%) was applied directly into the heated environment
PFHxA700 °C | 10 minute 4% Percent Fluorine RecoveryInitial value not given; PFHxA reagent (>97%) was applied directly into the heated environment
PFHxA700 °C | 10 minute 45% Percent Fluorine RecoveryInitial value not given; PFHxA reagent (>97%) was applied directly into the heated environment
PFOS700 °C | 10 minute 32% Percent Fluorine RecoveryInitial value not given; PFOS potassium salt reagent (>98%) was applied directly into the heated environment
PFOS700 °C | 10 minute 72% Percent Fluorine RecoveryInitial value not given; PFOS potassium salt reagent (>98%) was applied directly into the heated environment
PFOS700 °C | 10 minute 48% Percent Fluorine RecoveryInitial value not given; PFOS potassium salt reagent (>98%) was applied directly into the heated environment
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Last updated on October 15, 2024.