Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization
Patent
1999-01-19
2000-11-21
Suchfield, George
Hydraulic and earth engineering
Soil remediation
In situ contaminant removal or stabilization
166 53, 166267, 210170, 210747, 210767, 210787, B09C 100, C02F 140, E21B 4324
Patent
active
061493457
ABSTRACT:
Systems and techniques for remediation of soil, vapor and groundwater contaminated with hydrocarbons. The system is ideally suited for easy integration into a mobile remediation unit that uses a liquid ring vacuum pump to extract a contaminated mixture from a sub-surface formation and direct it into a separator, which also serves to shield the high-flow vacuum pump from non-gaseous phases of the contaminated matter that would otherwise reduce its efficiency. Cooling systems are employed to render the unit more independent and self-contained, and an automatic vent and low-shear pump-down cycle is used to transfer liquid phases to fractionation subsystems with minimal emulsification.
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Suchfield George
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