In-situ soil decontamination process with sub-surface vapor reco

Details In-situ soil decontamination process with sub-surface vapor reco In-situ soil decontamination process with sub-surface vapor reco

1991-05-23

1992-12-08

Taylor, Dennis L.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405129, 405258, B09B 100, E02D 311

Patent

active

051692635

ABSTRACT:
An improved in-situ soil decontamination heating process utilizes a submerged vapor recovery system comprising perforated or slotted pipes buried in the contaminated soil or below the depth of contamination. The pipes may be buried in a manifold arrangement and may contain thermocouples to monitor temperature. A vapor recovery/treatment system is connected to the buried pipe network and includes a method of inducing a vacuum on the buried pipe network (e.g., a vacuum pump or an induced draft fan) and a treatment system for the contaminated vapor (e.g., a cold trap, carbon adsorption, or incineration). Heat is applied to the soil surface by a relatively flat, surface-conforming, resistance heater. When heat is applied to the soil, a vacuum is induced in the buried pipes. The heat causes the contaminants within the soil to vaporize, pyrolyze, decompose, or react with oxygen. The contaminants and their by-products are swept away by the air into the buried pipe network for further treatment or disposal.

REFERENCES:
patent: 4376598 (1983-03-01), Brouns et al.
patent: 4435292 (1984-03-01), Kirk et al.
patent: 4670634 (1987-06-01), Bridges et al.
patent: 4842448 (1989-06-01), Koerner et al.
patent: 4984594 (1991-01-01), Vinegar et al.
patent: 5011329 (1991-04-01), Nelson et al.
patent: 5017289 (1991-05-01), Ely et al.
patent: 5066166 (1991-11-01), Hansen
patent: 5067852 (1991-11-01), Plunkett

Affiliated with

Also associated with

Rating

In-situ soil decontamination process with sub-surface vapor reco does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with In-situ soil decontamination process with sub-surface vapor reco, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and In-situ soil decontamination process with sub-surface vapor reco will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-957271