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Scope Details

Reference
Wang, F., Lu, X., Shih, K., and Liu, C. (2011) Influence of calcium hydroxide on the fate of perfluorooctanesulfonate under thermal conditions - Journal of Hazardous Materials
Treatment Process
Pyrolysis
Test Scale
Lab
Matrix
Other
Matrix Detail
Pure PFOS
Data Detail
Transformation ratio of PFOS to CaF2, various combinations of temperature, time, and CaOH2

Condition

Open ConditionTreatment Details
Open Condition 30030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 35030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 40030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 50030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 60030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 70030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 80030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 90030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 40030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 0.5:1
Open Condition 40030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 0.625:1
Open Condition 40030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 0.75:1
Open Condition 40030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 0.875:1
Open Condition 40030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1.125:1
Open Condition 40030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1.5:1
Open Condition 60030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 0.5:1
Open Condition 60030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 0.625:1
Open Condition 60030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 0.75:1
Open Condition 60030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 0.875:1
Open Condition 60030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1.125:1
Open Condition 60030MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1.5:1
Open Condition 4001MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 4002MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 4003MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 4005MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 40015MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 6001MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 6002MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 6003MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 6005MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 60015MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 9001MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 9002MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 9003MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 9005MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1
Open Condition 90015MinutePFOS + Ca(OH)2 samples with Ca/F molar ratio of 1:1

Thermal Treatment Results

PFOS300 °C | 30 minute ≈0% Transformation Ratio of fluorine into CaF2 Data is from Figure 3.
PFOS350 °C | 30 minute ≈61% Transformation Ratio of fluorine into CaF2 Data is from Figure 3.
PFOS400 °C | 30 minute ≈70% Transformation Ratio of fluorine into CaF2 Data is from Figure 4 and Figure 6.
PFOS500 °C | 30 minute ≈76% Transformation Ratio of fluorine into CaF2 Data is from Figure 3.
PFOS600 °C | 30 minute ≈82% Transformation Ratio of fluorine into CaF2 Data is presented in Figure 3, Figure 4 and Figure 6.
PFOS700 °C | 30 minute ≈84% Data is from Figure 3.
PFOS800 °C | 30 minute ≈86% Transformation Ratio of fluorine into CaF2 Data is from Figure 3.
PFOS900 °C | 30 minute ≈88% Transformation Ratio of fluorine into CaF2 Data is presented in Figure 3 and Figure 6.
PFOS400 °C | 30 minute ≈41% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS400 °C | 30 minute ≈52% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS400 °C | 30 minute ≈68% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS400 °C | 30 minute ≈63% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS400 °C | 30 minute ≈71% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS600 °C | 30 minute ≈57% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS600 °C | 30 minute ≈65% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS600 °C | 30 minute ≈70% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS400 °C | 30 minute ≈70% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS600 °C | 30 minute ≈77% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS600 °C | 30 minute ≈85% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS600 °C | 30 minute ≈86% Transformation Ratio of fluorine into CaF2 Data is from Figure 4.
PFOS400 °C | 1 minute ≈0% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS400 °C | 2 minute ≈0% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS400 °C | 3 minute ≈0% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS400 °C | 5 minute ≈59% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS400 °C | 15 minute ≈68% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS600 °C | 1 minute ≈73% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS600 °C | 2 minute ≈74% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS600 °C | 3 minute ≈75% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS600 °C | 5 minute ≈78% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS600 °C | 15 minute ≈79% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS900 °C | 1 minute ≈86% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS900 °C | 2 minute ≈88% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS900 °C | 3 minute ≈88% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS900 °C | 5 minute ≈90% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.
PFOS900 °C | 15 minute ≈89% Transformation Ratio of fluorine into CaF2 Data is from Figure 6.