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Reference Details

Citation
Challa et al 2022
Author
Challa Sasi, P.
Title
Thermal Stability And Decomposition Of Per-And Polyfluoroalkyl Substances (PFAS) Using Granular Activated Carbon And Other Porous Materials
Source
Theses and Dissertations
Publication Year
2022
Reference Category
Primary Sources
Reference Type
Theses and Disertations
Source Details
A Dissertation Submitted to the Graduate Faculty of the University of North Dakota in partial fulfillment of the requirements for the degree of Doctor of Philosophy
Non-Targeted Analysis Flag

Scope

Open ScopeMatrix DetailScope Detail
Open ScopeGAC ReactivationLabTreatment MediaFiltrasorb 200 GAC from Calgon Carbon laden with PFAS in labDecomposition efficiencies of 8 PFAS across a range of temperatures exposed to 2 gases

Condition

Open ConditionGAC Reactivation | Lab | Treatment Media: Filtrasorb 200 GAC from Calgon Carbon laden with PFAS in lab50030 minuteTreatment time does not include crucible heating time at a rate of 10 C per minute to 500 C; temperature was then held at 500 C for 30 minutes. Under flow of 200 mL/min nitrogen gas
Open ConditionGAC Reactivation | Lab | Treatment Media: Filtrasorb 200 GAC from Calgon Carbon laden with PFAS in lab50030 minuteTreatment time does not include crucible heating time at a rate of 10 C per minute to 500 C; temperature was then held at 500 C for 30 minutes. Under flow of 200 mL/min carbon dioxide gas

Thermal Treatment Results

GenXGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.97% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
GenXGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.97% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFOAGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.81% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFOAGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.81% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFBAGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.98% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFBAGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.98% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFBSGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.97% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFBSGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.97% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFHpAGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.81% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFHxSGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.94% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFHxSGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.94% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFOSGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 98.67% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFOSGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 98.67% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFPeAGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.81% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFPeAGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.23% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3
PFPeAGAC Reactivation | Lab | Treatment Media 500 °C | 30 minute 99.23% Not reportedNot reportedPercent decomposition efficiency taken from text shown in Figure 2.3; Additional data points for different treatment times and temperatures included in Figure 2.3