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Scope

Scope Details

Reference
Hori, H., Nagaoka, Yamamoto, A., Sano, T., Yamashita, N., Taniyasu, S., Kutsuna, S., Osaka, I., and Arakawa, R. (2006) Efficient Decomposition of Environmentally Persistent Perfluorooctanesulfonate and Related Fluorochemicals Using Zerovalent Iron in Subcritical Water - Environmental Science & Technology
Treatment Process
Hydrothermal Treatment
Test Scale
Lab
Matrix
Other
Matrix Detail
Water spiked with PFAS
Data Detail
Mass of PFOS in matrix before and after treatment, percent remaining, and percent fluorine yield, with and without metal additives (8 experimental conditions); initial mass in matrix, percent remaining, and percent fluorine yield for 4 other PFAS, with and without iron additive (2 experimental conditions for each PFAS)

Condition

Open Condition
Treatment Temperature
Treatment Time
Time Units
Treatment Details
Open Condition 3506HourNo metal additive
Open Condition 3506HourAluminum added
Open Condition 3506HourCopper added
Open Condition 3506HourIron added
Open Condition 3506HourZinc added

Thermal Treatment Results

Link to Results Record
Analyte
Condition
Effectiveness (%)
Effectiveness Measure
Initial Concentration
Post Concentration
Offgas Concentration
Additional Details
PFOS350 °C | 6 hour 90.3% Percent Remaining3.72 umol3.36 umolData from Table 1; Aqueous solution (10 mL) of PFOSwas introduced into reactor
PFOS350 °C | 6 hour 93.6% Percent Remaining3.72 umol3.48 umolData from Table 1; Aqueous solution (10 mL) of PFOS and metal powder (9.60 mmol) was introduced into reactor under an argon atmosphere
PFOS350 °C | 6 hour 84.7% Percent Remaining3.72 umol3.15 umolData from Table 1; Aqueous solution (10 mL) of PFOS and metal powder (9.60 mmol) was introduced into reactor under an argon atmosphere
PFOS350 °C | 6 hour 23.1% Percent Remaining3.72 umol0.86 umolAqueous solution (10 mL) of PFOS and metal powder (9.60 mmol) was introduced into reactor under an argon atmosphere; fluorine yield was 11.7 umol
PFOS350 °C | 6 hour <0.54% Percent Remaining3.72 umol<0.02 umolData from Table 1; Aqueous solution (10 mL) of PFOS and metal powder (9.60 mmol) was introduced into reactor under an argon atmosphere; The pressure inside the reactor during the reaction was 23.3 MPa
PFOS350 °C | 6 hour <1.08% Percent Remaining1.86 umol<0.02 umolData from Table 1; Aqueous solution (10 mL) of PFOS and metal powder (9.60 mmol) was introduced into reactor under an argon atmosphere
PFOS350 °C | 6 hour <2.15% Percent Remaining0.93 umol<0.02 umolData from Table 1; Aqueous solution (10 mL) of PFOS and metal powder (9.60 mmol) was introduced into reactor under an argon atmosphere
PFHxS350 °C | 6 hour 96.1% Percent Remaining3.77 umolData from Table 2; Aqueous solution (10 mL) of PFHxS was introduced into reactor
PFBS350 °C | 6 hour 99.4% Percent Remaining3.67 umolData from Table 2; Aqueous solution (10 mL) of PFBS was introduced into reactor
PFPrS350 °C | 6 hour 100% Percent Remaining3.81 umolData from Table 2; Aqueous solution (10 mL) of chemical was introduced into reactor
PFHxS350 °C | 6 hour 4.67% Percent Remaining3.65 umolData from Table 2; Aqueous solution (10 mL) of PFHxS and metal powder (9.60 mmol) was introduced into reactor
PFBS350 °C | 6 hour 3.66% Percent Remaining3.67 umolData from Table 2; Aqueous solution (10 mL) of PFBS and metal powder (9.60 mmol) was introduced into reactor
PFPrS350 °C | 6 hour 3.61% Percent Remaining3.99 umolData from Table 2; Aqueous solution (10 mL) of chemical and metal powder (9.60 mmol) was introduced into reactor
PFESA350 °C | 6 hour 95.2% Percent Remaining3.78 umolData from Table 2; Aqueous solution (10 mL) of PFESA was introduced into reactor
PFESA350 °C | 6 hour 4.22% Percent Remaining3.99 umolData from Table 2; Aqueous solution (10 mL) of PFESA and metal powder (9.60 mmol) was introduced into reactor
PFOS350 °C | 6 hour 0.16% Percent Fluorine Yield3.72 umol3.36 umolData from Table 1; Aqueous solution (10 mL) of PFOS was introduced into reactor
PFOS350 °C | 6 hour 0.05% Percent Fluorine Yield3.72 umol3.48 umolData from Table 1; Aqueous solution (10 mL) of PFOS and metal powder (9.60 mmol) was introduced into reactor under an argon atmosphere
PFOS350 °C | 6 hour 6.78% Percent Fluorine Yield3.72 umol3.15 umolData from Table 1; Aqueous solution (10 mL) of PFOS and metal powder (9.60 mmol) was introduced into reactor under an argon atmosphere
PFOS350 °C | 6 hour 51.4% Percent Fluorine Yield3.72 umol<0.02 umolData from Table 1; Aqueous solution (10 mL) of PFOS and metal powder (9.60 mmol) was introduced into reactor under an argon atmosphere; The pressure inside the reactor during the reaction was 23.3 MPa
PFOS350 °C | 6 hour 46.2% Percent Fluorine Yield1.86 umol<0.02 umolData from Table 1; Aqueous solution (10 mL) of PFOS and metal powder (9.60 mmol) was introduced into reactor under an argon atmosphere
PFOS350 °C | 6 hour 50.1% Percent Fluorine Yield0.93 umol<0.02 umolData from Table 1; Aqueous solution (10 mL) of PFOS and metal powder (9.60 mmol) was introduced into reactor under an argon atmosphere
PFESA350 °C | 6 hour 36.1% Percent Fluorine Yield3.99 umolData from Table 2; Aqueous solution (10 mL) of PFESA and metal powder (9.60 mmol) was introduced into reactor
PFPrS350 °C | 6 hour 59.2% Percent Fluorine Yield3.99 umolData from Table 2; Aqueous solution (10 mL) of chemical and metal powder (9.60 mmol) was introduced into reactor
PFBS350 °C | 6 hour 62.3% Percent Fluorine Yield3.67 umolData from Table 2; Aqueous solution (10 mL) of PFBS and metal powder (9.60 mmol) was introduced into reactor
PFHxS350 °C | 6 hour 52.9% Percent Fluorine Yield3.65 umolData from Table 2; Aqueous solution (10 mL) of PFHxS and metal powder (9.60 mmol) was introduced into reactor
PFPrS350 °C | 6 hour <0.001% Percent Fluorine Yield3.81 umolData from Table 2; Aqueous solution (10 mL) of chemical was introduced into reactor
PFESA350 °C | 6 hour 0.28% Percent Fluorine Yield3.78 umolData from Table 2; Aqueous solution (10 mL) of PFESA was introduced into reactor
PFHxS350 °C | 6 hour 3.4% Percent Fluorine Yield3.77 umolData from Table 2; Aqueous solution (10 mL) of PFHxS was introduced into reactor
PFBS350 °C | 6 hour 0.72% Percent Fluorine Yield3.67 umolData from Table 2; Aqueous solution (10 mL) of PFBS was introduced into reactor
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