Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization
Patent
1997-01-30
1999-03-09
Suchfield, George
Hydraulic and earth engineering
Soil remediation
In situ contaminant removal or stabilization
210611, 210747, 588205, B09C 110
Patent
active
058791078
ABSTRACT:
A system and process for delivering fluids into subsurface contaminated soil and ground water to enhance in situ microbial degradation of contaminants. The system consists of a high pressure/low volume slurry pump driven by an internal combustion engine. Pressure and volume are variable to suit site-specific subsurface soil conditions (e.g. texture, intrinsic permeabilities, etc.). The high pressure fluid liquifies the soil in front of the probe tip allowing the probe to be easily advanced by hand into the subsurface while the low volume prevents driving the contaminants. Microorganisms, soluble and insoluble nutrients, surfactants and chemical peroxygens and also gases can be delivered into the subsurface with this system. After delivery of the fluids, the probe is withdrawn by hand.
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Kiest John L.
Trezzo Jerrold A.
Biomanagement Services, Inc.
Kinney Richard G.
Suchfield George
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