Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization
Patent
1996-09-05
1999-02-09
Suchfield, George A.
Hydraulic and earth engineering
Soil remediation
In situ contaminant removal or stabilization
111 74, 166246, 210170, 210747, 405263, 588900, B09C 102, B09C 110
Patent
active
058685235
ABSTRACT:
This invention relates to a deep remediation injection system for in-situ remediation of contaminated soil and ground water capable of progressive penetration both vertically and horizontally in contaminated soil and ground water having a soil penetrating lance for injecting air and oxygen and liquid with suspended biologicals into the contaminated soil as said soil penetrating lance is inserted for penetration in the soil, an air compressor for compressing air and delivering the air under pressure to the soil penetrating lance on one end, a liquid pump for pressurizing the liquid and suspended biologicals and delivering said liquid and suspended biologicals under pressure to the soil penetrating lance on one end, a gas connector control for connecting the gas compressor to the lance and for controlling the compressed gas flow, and a liquid connector means for connecting the liquid pump to the lance and controlling the pressurized liquids; and the method of developing a treatment grid both as to the depth of treatment and as to spacing of penetration holes in said contaminated soil, activating a compressed gas source for injection, and activating a pressured water source for injection, driving the soil penetrating lance into the contaminated soil, stopping said lance penetration at levels of penetration for time sufficient to treat the soil, and driving the soil penetrating lance into said contaminated soil to the next stop for treatment until the whole in-situ remediation site has been treated.
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Nickell Jerry D.
Steele Richard P.
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