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Scope

Scope Details

Reference
Yu, J., Nickerson, A., Li, Y., Fang, Y., and Strathmann, T.J. (2020) Fate of per- and polyfluoroalkyl substances (PFAS) during hydrothermal liquefaction of municipal wastewater treatment sludge. - Environmental Science: Water Research and Technology
Treatment Process
Hydrothermal Treatment
Test Scale
Lab
Matrix
Other
Matrix Detail
Water spiked with PFOS
Data Detail
Percent degradation and percent defluorination of 5 PFAS for various combinations of time and temperature

Condition

Open Condition
Treatment Temperature
Treatment Time
Time Units
Treatment Details
Open Condition 26060Minute
Open Condition 30060Minute
Open Condition 35060Minute

Thermal Treatment Results

Link to Results Record
Analyte
Condition
Effectiveness (%)
Effectiveness Measure
Initial Concentration
Post Concentration
Offgas Concentration
Additional Details
PFOA260 °C | 60 minute>99% Percent DegradationResults interpreted from Figure 2
PFOS260 °C | 60 minute0% Percent DegradationResults interpreted from Figure 2
8:2 FTUCA260 °C | 60 minute>99% Percent DegradationResults interpreted from Figure 2
7:3 FTCA260 °C | 60 minute25% Percent DegradationResults interpreted from Figure 2
FtS 8:2260 °C | 60 minute38% Percent DegradationResults interpreted from Figure 2
PFOA260 °C | 60 minute18% Percent DefluorinationResults interpreted from Figure 2
PFOS260 °C | 60 minute0% Percent DefluorinationResults interpreted from Figure 2
8:2 FTUCA260 °C | 60 minute17% Percent DefluorinationResults interpreted from Figure 2
7:3 FTCA260 °C | 60 minute0% Percent DefluorinationResults interpreted from Figure 2
FtS 8:2260 °C | 60 minute17% Percent DefluorinationResults interpreted from Figure 2
PFOA300 °C | 60 minute>99% Percent DegradationResults interpreted from Figure 2
PFOS300 °C | 60 minute0% Percent DegradationResults interpreted from Figure 2
8:2 FTUCA300 °C | 60 minute>99% Percent DegradationResults interpreted from Figure 2
7:3 FTCA300 °C | 60 minute95% Percent DegradationResults interpreted from Figure 2
FtS 8:2300 °C | 60 minute20% Percent DegradationResults interpreted from Figure 2
PFOA300 °C | 60 minute30% Percent DefluorinationResults interpreted from Figure 2
PFOS300 °C | 60 minute0% Percent DefluorinationResults interpreted from Figure 2
8:2 FTUCA300 °C | 60 minute42% Percent DefluorinationResults interpreted from Figure 2
7:3 FTCA300 °C | 60 minute20% Percent DefluorinationResults interpreted from Figure 2
FtS 8:2300 °C | 60 minute25% Percent DefluorinationResults interpreted from Figure 2
PFOA350 °C | 60 minute>99% Percent DegradationResults interpreted from Figure 2
PFOS350 °C | 60 minute0% Percent DegradationResults interpreted from Figure 2
8:2 FTUCA350 °C | 60 minute>99% Percent DegradationResults interpreted from Figure 2
7:3 FTCA350 °C | 60 minute98% Percent DegradationResults interpreted from Figure 2
FtS 8:2350 °C | 60 minute10% Percent DegradationResults interpreted from Figure 2
PFOA350 °C | 60 minute13% Percent DefluorinationResults interpreted from Figure 2
PFOS350 °C | 60 minute0% Percent DefluorinationResults interpreted from Figure 2
8:2 FTUCA350 °C | 60 minute48% Percent DefluorinationResults interpreted from Figure 2
7:3 FTCA350 °C | 60 minute40% Percent DefluorinationResults interpreted from Figure 2
FtS 8:2350 °C | 60 minute61% Percent DefluorinationResults interpreted from Figure 2
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