Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization
Patent
1993-11-15
1996-01-09
Taylor, Dennis L.
Hydraulic and earth engineering
Soil remediation
In situ contaminant removal or stabilization
405131, 405258, 588253, B09B 300, F02D 311
Patent
active
054824028
ABSTRACT:
A technique for in situ decontamination of an earth formation. High gas temperatures can be achieved at subsurface formations by supplying a fuel at a subsurface location, such as at the bottom of a wellbore. Pressurized air or gas preheated to a temperature of about 700.degree. F.-1200.degree. F. is supplied to the wellbore to ignite the fuel. The combustion heat produced by the fuel further heats the preheated gas to temperatures in the range of 1200.degree. F.-4500.degree., which heated gases are forced out of the borehole into the contaminated formation. Contaminants are thereby volatilized or oxidized and removed from the formation to the surface.
REFERENCES:
patent: 2444755 (1949-07-01), Steffen
patent: 2584606 (1952-02-01), Merriam et al.
patent: 3254715 (1966-06-01), Morse
patent: 3293863 (1966-12-01), Cox et al.
patent: 3417818 (1968-12-01), Dyson
patent: 4153110 (1979-05-01), Ridley
patent: 4348135 (1982-09-01), St. Clair
patent: 4376598 (1983-03-01), Brouns et al.
patent: 4442901 (1984-04-01), Zison
patent: 4469176 (1984-09-01), Zison et al.
patent: 4518399 (1985-05-01), Croskell et al.
patent: 4670148 (1987-06-01), Schneider
patent: 4670634 (1987-06-01), Bridges et al.
patent: 4732091 (1988-03-01), Gould
patent: 4776409 (1988-10-01), Manchak, Jr.
patent: 4832122 (1989-05-01), Corey et al.
patent: 4834194 (1989-05-01), Manchak, Jr.
patent: 4838733 (1989-06-01), Katz
patent: 4842448 (1989-06-01), Koerner et al.
patent: 4849360 (1989-07-01), Norris et al.
patent: 4900196 (1990-02-01), Bridges
patent: 4913065 (1990-04-01), Hemsath
patent: 4919570 (1990-04-01), Payne
patent: 4982788 (1991-01-01), Donnelly
patent: 5067852 (1991-11-01), Plunkett
patent: 5213445 (1993-05-01), Ikenberry et al.
"Thermal soil stabilisation--uses pressure-controlled injection of hot gases to stabilise below soil caking temperature," Soviet Inventions Illustrated, Sec. PQ, Week K20, Jul. 29, 1983.
"Ground thermal reinforcing method--by mixing solid fuel with soil and feeding hot gas through horizontal channels," Soviet Inventions Illustrated, Sec. PQ, Week 50, Feb. 1, 1984.
"Thermal strengthening of ground in massive--involves forcing hot gases through main bore hole and application of vacuum to auxiliary boreholes," Soviet Patents Abstracts, Sec. PQ, Week 8930, Sep. 6, 1989.
"Thermal soil stabilisation--uses perforated pipeline installed with calculated gap, sand and grahite mixture, and combustible mixture," Soviet Inventions Illustrated, Sec. PQ, Week K12, May 4, 1983.
"Superfund Innovative Technology Evaluation (SITE) Program", HMCRI Conference, Nov. 28-30, 1988.
Brochure by AKI Systems, Inc. (undated).
"Performance of Selected In Situ Soil Decontamination Technologies: An Air Force Perspective", American Institute of Chemical Engineers 1989 Summer National Meeting, Aug. 20-23, 1989.
Terra Vac In Situ Vacuum Extraction System--Applications Analysis Report, Jul. 1989.
Addendum to EPA Site-004 Proposal, Jun. 6, 1989.
Hrubetz Environmental Services, Inc.
Taylor Dennis L.
LandOfFree
Method and apparatus for heating subsurface soil for decontamina does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for heating subsurface soil for decontamina, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for heating subsurface soil for decontamina will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1299049