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References

Reference Details

Citation
Riedel et al 2021
Author
Riedel, T.P., Geer Wallace, M.A., Shields, E.P., Ryan, J.V., Lee, C.W., and Linak, W.P.
Title
Low temperature thermal treatment of gas-phase fluorotelomer alcohols by calcium oxide
Source
Chemosphere
Publication Year
2021
Reference Category
Primary Sources
Reference Type
Peer Reviewed Journals
Source Details
DOI: 10.1016/j.chemosphere.2021.129859
DOI
10.1016/j.chemosphere.2021.129859Exit
Non-Targeted Analysis Flag
Yes
Non-Targeted Analysis Details
Non-targeted analysis of gas phase identified presence of two products of incomplete destruction. See Figures 3, S8, S9, and S10.
Notes
Supplemental material may be more useful than body text for data extraction

Scope

Open Scope
Treatment Process
Scale
Matrix
Matrix DetailScope Detail
Open ScopeIndirect Thermal DesorptionLabOtherPure PFASRemoval efficiency of 4 gas-phase PFAS (x:2 FtOHs) at various temperatures, 2 analysis methods, 2 treatment conditions (with/without CaO)

Condition

Open Condition
Scope
Temperature (°C)
Treatment Time
Condition Details
Open ConditionIndirect Thermal Desorption | Lab | Other: Pure PFAS300Not reportedTreatment with calcium oxide; ~20 seconds total noted as volumetric residence time in the heated portion of the reactor
Open ConditionIndirect Thermal Desorption | Lab | Other: Pure PFAS500Not reportedTreatment with calcium oxide; ~20 seconds total noted as volumetric residence time in the heated portion of the reactor
Open ConditionIndirect Thermal Desorption | Lab | Other: Pure PFAS700Not reportedTreatment with calcium oxide; ~20 seconds total noted as volumetric residence time in the heated portion of the reactor
Open ConditionIndirect Thermal Desorption | Lab | Other: Pure PFAS300Not reportedTreatment without calcium oxide; ~20 seconds total noted as volumetric residence time in the heated portion of the reactor
Open ConditionIndirect Thermal Desorption | Lab | Other: Pure PFAS500Not reportedTreatment without calcium oxide; ~20 seconds total noted as volumetric residence time in the heated portion of the reactor
Open ConditionIndirect Thermal Desorption | Lab | Other: Pure PFAS700Not reportedTreatment without calcium oxide; ~20 seconds total noted as volumetric residence time in the heated portion of the reactor

Thermal Treatment Results

Link to Results Record
Analyte
Scope
Condition
Effectiveness (%)
Initial Concentration
Post Concentration
Offgas Concentration
Additional Details
10:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈7% ≈50 ppb Data interpolated from Figure 2
10:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈20% ≈50 ppb Data interpolated from Figure 2
10:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈13% ≈50 ppb Data interpolated from Figure 2
10:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈78% ≈50 ppb Data interpolated from Figure 2
10:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈56% ≈50 ppb Data interpolated from Figure 2
10:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈23% ≈50 ppb Data interpolated from Figure 2
10:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈99% ≈50 ppb Data interpolated from Figure 2
10:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈99% ≈50 ppb Data interpolated from Figure 2
10:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈98% ≈50 ppb Data interpolated from Figure 2
4:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈55% ≈50 ppb Data interpolated from Figure 2
4:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈79% ≈50 ppb Data interpolated from Figure 2
4:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈9% ≈50 ppb Data interpolated from Figure 2
4:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈98% ≈50 ppb Data interpolated from Figure 2
4:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈97% ≈50 ppb Data interpolated from Figure 2
4:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈40% ≈50 ppb Data interpolated from Figure 2
4:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈99% ≈50 ppb Data interpolated from Figure 2
4:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈99% ≈50 ppb Data interpolated from Figure 2
4:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈96% ≈50 ppb Data interpolated from Figure 2
6:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈50% ≈50 ppb Data interpolated from Figure 2
6:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈49% ≈50 ppb Data interpolated from Figure 2
6:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈17% ≈50 ppb Data interpolated from Figure 2
6:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈87% ≈50 ppb Data interpolated from Figure 2
6:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈90% ≈50 ppb Data interpolated from Figure 2
6:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈39% ≈50 ppb Data interpolated from Figure 2
6:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈99% ≈50 ppb Data interpolated from Figure 2
6:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈99% ≈50 ppb Data interpolated from Figure 2
6:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈87% ≈50 ppb Data interpolated from Figure 2
8:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈29% ≈50 ppb Data interpolated from Figure 2
8:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈42% ≈50 ppb Data interpolated from Figure 2
8:2 FTOHIndirect Thermal Desorption | Lab | Other 300 °C | Not reported ≈18% ≈50 ppb Data interpolated from Figure 2
8:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈72% ≈50 ppb Data interpolated from Figure 2
8:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈82% ≈50 ppb Data interpolated from Figure 2
8:2 FTOHIndirect Thermal Desorption | Lab | Other 500 °C | Not reported ≈37% ≈50 ppb Data interpolated from Figure 2
8:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈99% ≈50 ppb Data interpolated from Figure 2
8:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈99% ≈50 ppb Data interpolated from Figure 2
8:2 FTOHIndirect Thermal Desorption | Lab | Other 700 °C | Not reported ≈96% ≈50 ppb Data interpolated from Figure 2
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