Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization
Patent
1991-07-10
1993-07-20
Corbin, David H.
Hydraulic and earth engineering
Soil remediation
In situ contaminant removal or stabilization
110346, 210771, 432108, 432111, 432118, F23G 714, F23G 504, F23G 512, F23G 520
Patent
active
052288030
ABSTRACT:
A transportable thermal stripping system for removing volatile organic compounds (VOC) from soil is provided. The system includes a vessel in which contaminated soil is placed into contact with a hot gas. The gas is discharged from the vessel and ambient air is introduced into the gas to ensure that the gas remains combustible. A blower circulates the gas to a cyclone separator where fine soil particles and ash are removed from the gas. Next the VOC in the gas are removed by combustion in a burner fired with a supplemental fuel. A portion of the combusted gas is exhausted to atmosphere and the remainder is recirculated to the vessel where the process is repeated.
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Crosby Junior L.
Crosby Richard A.
Corbin David H.
Crosby Junior L.
Crosby Richard A.
Ricci John
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