Single drum multiple soil remediation and classification apparat

Details Single drum multiple soil remediation and classification apparat Single drum multiple soil remediation and classification apparat

1992-12-15

1994-09-27

Corbin, David H.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405101, 405258, B09B 300

Patent

active

053502523

ABSTRACT:
A single drum of a flow-through soil remediation plant includes a first zone which is a heating zone. The heating zone is disposed next to an intake end through which a first soil material to be contaminated is introduced into the remediation plant. Heat energy is supplied by a burner unit to the first zone to heat the first soil material to a first decontamination temperature. The first soil material then passes from the heating zone to a second zone which is a mixing zone. A second soil material may be introduced selectively into the mixing zone and mixed with the first soil material. With the first soil material having been heated to the first decontamination temperature in the first zone, heat energy is transferred from the first soil material to the second soil material during the mixing process. The heat transfer raises the heat of the second soil material to a second decontamination temperature. The mixed materials then advance to a third zone which has a classifies the mixed materials into first and second products according to size by separating less coarse materials from the more coarse materials. The classified materials are then discharged as first and second distinct products.

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"Counter Flow Design Stirs Interest" by Gary Gulick (May/Jun. 1988 Asphalt Contractor).
"Mixing to the heat of a different drum" by Marcy Goodfleisch (Texas State Department of Highways and Public Transportation, Jan. 1988).

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