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Thermal Treatment Results

Citation: Major 2019
Author: Major, D.
Title: Demonstration of Smoldering Combustion Treatment of PFAS-impacted Investigation-Derived Waste
Source: Strategic Environmental Research and Development Program (SERDP)
Publication Year: 2019
Reference Category: Primary Sources
Reference Type: Government Reports
Source Details: SERDP Project ER18-1593
Non-Targeted Analysis Flag: No
Notes: Appears to be primary source of some of the data presented in Duchesne et al 2020

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Open Scope	Treatment Process	Scale	Matrix	Matrix Detail	Scope Detail
Open Scope	Smoldering	Lab	Treatment Media	GAC spiked with PFAS	Concentration of 3 PFAS in matrix before and after treatment, 2 experimental conditions
Open Scope	Smoldering	Lab	Soil	Soil spiked with PFAS	Concentration of 3 PFAS in matrix before and after treatment, 1 experimental condition
Open Scope	Smoldering	Lab	Soil	Soil spiked with PFAS	Concentration of 6 PFAS in matrix before and after treatment, 1 experimental condition

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Open Condition	Scope	Temperature (°C)	Treatment Time	Condition Details
Open Condition	Smoldering \| Lab \| Treatment Media: GAC spiked with PFAS	908	250 minute	43 g GAC/kg sand matrix; air flux = 5 cm/s; moisture content = 14%; smoldering time interpreted from Figure 5
Open Condition	Smoldering \| Lab \| Treatment Media: GAC spiked with PFAS	950	250 minute	39 g GAC/kg sand matrix; air flux = 5 cm/s; moisture content = 21%; smoldering time interpreted from Figure 5
Open Condition	Smoldering \| Lab \| Soil: Soil spiked with PFAS	1016	250 minute	48 g GAC/kg soil; air flux = 5 cm/s; moisture content = 10.8%; smoldering time interpreted from Figure 5
Open Condition	Smoldering \| Lab \| Soil: Soil spiked with PFAS	1064	250 minute	50 g GAC/kg soil; air flux = 5 cm/s; moisture content = 5.7%; smoldering time interpreted from Figure 5

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Analyte	Scope	Condition	Effectiveness (%)	Initial Concentration	Post Concentration	Additional Details
HF	Smoldering \| Lab \| Soil	1016 °C \| 250 minute	82%	0 mg/kg	Not detected	82% of available fluorine captured as HF; data from paragraph under Table 11.
PFOA	Smoldering \| Lab \| Soil	1016 °C \| 250 minute		6.14 mg/kg	Not detected	Detection limit = 0.0002 mg/kg; Data from Table 11
PFOA	Smoldering \| Lab \| Soil	1064 °C \| 250 minute		11.49 mg/kg	Not detected	Detection limit = 0.0005 mg/kg; Data from Table 13
PFOA	Smoldering \| Lab \| Treatment Media	908 °C \| 250 minute		590 mg/kg	Not detected	Detection limit = 0.4 ug/kg; data from Table 9
PFOA	Smoldering \| Lab \| Treatment Media	950 °C \| 250 minute		510 mg/kg	Not detected	Detection limit = 0.4 ug/kg; data from Table 9
PFBS	Smoldering \| Lab \| Soil	1064 °C \| 250 minute		1.3 mg/kg	Not detected	Detection limit = 0.0005 mg/kg; Data from Table 13
PFHpA	Smoldering \| Lab \| Soil	1064 °C \| 250 minute		9.75 mg/kg	Not detected	Detection limit = 0.0005 mg/kg; Data from Table 13
PFHxS	Smoldering \| Lab \| Soil	1016 °C \| 250 minute		7.06 mg/kg	Not detected	Detection limit = 0.0002 mg/kg; Data from Table 11
PFHxS	Smoldering \| Lab \| Soil	1064 °C \| 250 minute		7.21 mg/kg	Not detected	Detection limit = 0.0005 mg/kg; Data from Table 13
PFHxS	Smoldering \| Lab \| Treatment Media	908 °C \| 250 minute		240 mg/kg	Not detected	Detection limit = 0.4 ug/kg; Data from Table 9
PFHxS	Smoldering \| Lab \| Treatment Media	950 °C \| 250 minute		220 mg/kg	Not detected	Detection limit = 0.4 ug/kg; data from Table 9
PFNA	Smoldering \| Lab \| Soil	1064 °C \| 250 minute		25.58 mg/kg	Not detected	Detection limit = 0.0005 mg/kg; Data from Table 13
PFOS	Smoldering \| Lab \| Soil	1016 °C \| 250 minute		9.54 mg/kg	Not detected	Detection limit = 0.0002 mg/kg; Data from Table 11
PFOS	Smoldering \| Lab \| Soil	1064 °C \| 250 minute		6.67 mg/kg	Not detected	Detection limit = 0.0005 mg/kg; Data from Table 13
PFOS	Smoldering \| Lab \| Treatment Media	908 °C \| 250 minute		140 mg/kg	Not detected	Detection limit = 0.4 ug/kg; Data from Table 9
PFOS	Smoldering \| Lab \| Treatment Media	950 °C \| 250 minute		120 mg/kg	Not detected	Detection limit = 0.4 ug/kg; data from Table 9

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