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Scope

Scope Details

Reference
Riedel, T.P., Geer Wallace, M.A., Shields, E.P., Ryan, J.V., Lee, C.W., and Linak, W.P. (2021) Low temperature thermal treatment of gas-phase fluorotelomer alcohols by calcium oxide - Chemosphere
Treatment Process
Indirect Thermal Desorption
Test Scale
Lab
Matrix
Other
Matrix Detail
Pure PFAS
Data Detail
Removal efficiency of 4 gas-phase PFAS (x:2 FtOHs) at various temperatures, 2 analysis methods, 2 treatment conditions (with/without CaO)

Condition

Open Condition
Treatment Temperature
Treatment Time
Time Units
Treatment Details
Open Condition 300Not reportedTreatment with calcium oxide; ~20 seconds total noted as volumetric residence time in the heated portion of the reactor
Open Condition 500Not reportedTreatment with calcium oxide; ~20 seconds total noted as volumetric residence time in the heated portion of the reactor
Open Condition 700Not reportedTreatment with calcium oxide; ~20 seconds total noted as volumetric residence time in the heated portion of the reactor
Open Condition 300Not reportedTreatment without calcium oxide; ~20 seconds total noted as volumetric residence time in the heated portion of the reactor
Open Condition 500Not reportedTreatment without calcium oxide; ~20 seconds total noted as volumetric residence time in the heated portion of the reactor
Open Condition 700Not 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
Condition
Effectiveness (%)
Effectiveness Measure
Initial Concentration
Post Concentration
Offgas Concentration
Additional Details
4:2 FTOH300 °C | Not reported ≈55% Percent Removed≈50 ppb Data interpolated from Figure 2
6:2 FTOH300 °C | Not reported ≈50% Percent Removed≈50 ppb Data interpolated from Figure 2
8:2 FTOH300 °C | Not reported ≈29% Percent Removed≈50 ppb Data interpolated from Figure 2
10:2 FTOH300 °C | Not reported ≈7% Percent Removed≈50 ppb Data interpolated from Figure 2
4:2 FTOH300 °C | Not reported ≈79% Percent Removed≈50 ppb Data interpolated from Figure 2
6:2 FTOH300 °C | Not reported ≈49% Percent Removed≈50 ppb Data interpolated from Figure 2
8:2 FTOH300 °C | Not reported ≈42% Percent Removed≈50 ppb Data interpolated from Figure 2
10:2 FTOH300 °C | Not reported ≈20% Percent Removed≈50 ppb Data interpolated from Figure 2
4:2 FTOH500 °C | Not reported ≈97% Percent Removed≈50 ppb Data interpolated from Figure 2
6:2 FTOH500 °C | Not reported ≈87% Percent Removed≈50 ppb Data interpolated from Figure 2
8:2 FTOH500 °C | Not reported ≈72% Percent Removed≈50 ppb Data interpolated from Figure 2
10:2 FTOH500 °C | Not reported ≈78% Percent Removed≈50 ppb Data interpolated from Figure 2
4:2 FTOH500 °C | Not reported ≈98% Percent Removed≈50 ppb Data interpolated from Figure 2
6:2 FTOH500 °C | Not reported ≈90% Percent Removed≈50 ppb Data interpolated from Figure 2
8:2 FTOH500 °C | Not reported ≈82% Percent Removed≈50 ppb Data interpolated from Figure 2
10:2 FTOH500 °C | Not reported ≈56% Percent Removed≈50 ppb Data interpolated from Figure 2
4:2 FTOH700 °C | Not reported ≈99% Percent Removed≈50 ppb Data interpolated from Figure 2
6:2 FTOH700 °C | Not reported ≈99% Percent Removed≈50 ppb Data interpolated from Figure 2
8:2 FTOH700 °C | Not reported ≈99% Percent Removed≈50 ppb Data interpolated from Figure 2
10:2 FTOH700 °C | Not reported ≈99% Percent Removed≈50 ppb Data interpolated from Figure 2
4:2 FTOH700 °C | Not reported ≈99% Percent Removed≈50 ppb Data interpolated from Figure 2
6:2 FTOH700 °C | Not reported ≈99% Percent Removed≈50 ppb Data interpolated from Figure 2
8:2 FTOH700 °C | Not reported ≈99% Percent Removed≈50 ppb Data interpolated from Figure 2
10:2 FTOH700 °C | Not reported ≈99% Percent Removed≈50 ppb Data interpolated from Figure 2
4:2 FTOH300 °C | Not reported ≈9% Percent Removed≈50 ppb Data interpolated from Figure 2
6:2 FTOH300 °C | Not reported ≈17% Percent Removed≈50 ppb Data interpolated from Figure 2
8:2 FTOH300 °C | Not reported ≈18% Percent Removed≈50 ppb Data interpolated from Figure 2
10:2 FTOH300 °C | Not reported ≈13% Percent Removed≈50 ppb Data interpolated from Figure 2
4:2 FTOH500 °C | Not reported ≈40% Percent Removed≈50 ppb Data interpolated from Figure 2
6:2 FTOH500 °C | Not reported ≈39% Percent Removed≈50 ppb Data interpolated from Figure 2
8:2 FTOH500 °C | Not reported ≈37% Percent Removed≈50 ppb Data interpolated from Figure 2
10:2 FTOH500 °C | Not reported ≈23% Percent Removed≈50 ppb Data interpolated from Figure 2
4:2 FTOH700 °C | Not reported ≈96% Percent Removed≈50 ppb Data interpolated from Figure 2
6:2 FTOH700 °C | Not reported ≈87% Percent Removed≈50 ppb Data interpolated from Figure 2
8:2 FTOH700 °C | Not reported ≈96% Percent Removed≈50 ppb Data interpolated from Figure 2
10:2 FTOH700 °C | Not reported ≈98% Percent Removed≈50 ppb Data interpolated from Figure 2
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