In-situ soil heating press/vapor extraction system

Details In-situ soil heating press/vapor extraction system In-situ soil heating press/vapor extraction system

1991-10-04

1993-09-14

Corbin, David H.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405131, B09B 300

Patent

active

052443108

ABSTRACT:
An in-situ soil heating/treatment system consists of a frame to which are attached a plurality of heater spikes and a plurality of tubular, perforated vapor extraction spikes. An insulated shield covers the frame and internal components. The spikes, which are 1-2 feet in length, are driven into the ground and heated to temperatures in excess of 1000.degree. C. The heat generated at the heater spikes is conducted and convected into the soil. As the soil temperature rises and approaches the boiling point of the contaminants, the contaminants volatilize and flow to the vapor collection spikes. A vacuum system connected to the vapor extraction spikes withdraws the contaminant vapors through the perforated, tubular spikes and treats them.

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