1
Frederick C Payne: Method of removing and controlling volatile contaminants from the vadose layer of contaminated earth. Midwest Water Resource, Thomas J Dodd, March 15, 1988: US04730672 (80 worldwide citation)

A method and apparatus of collecting volatile contaminants from the vadose layer of earth. The apparatus is a closed-loop device which includes one or more contaminant withdrawal wells surrounded by multiple air reinjection wells connected by a conduit. One or more pumps serve to draw volatilized co ...


2
Frederick C Payne, Jerry B Lisiecki: Apparatus and process for removing volatile contaminants from below ground level. Midwest Water Resource, Thomas J Dodd, August 7, 1990: US04945988 (43 worldwide citation)

A process for removing and disposing of or neutralizing volatile contaminants existing in the vadose zone of earth and also in a below ground aquifer. The process includes the injection of substantially oxygen free air into the aquifer to retard the formation of aerobic bacteria and injection of oxy ...


3
Frederick C Payne: Portable on site soil treatment system. Midwest Water Resource, Thomas J Dodd, April 24, 1990: US04919570 (40 worldwide citation)

Treatment apparatus for contaminated soils which includes a plurality of interconnected vessels which are cyclically connected to a pumping station and a treatment station. Contaminated soil is excavated and placed in the treatment vessels which are then sealed prior to activation of the pump, which ...


4
Frederick C Payne: Method of removing volatile contaminants from contaminated earth strata. Midwest Water Resource, Thomas J Dodd, January 2, 1990: US04890673 (39 worldwide citation)

A method and apparatus of collecting volatile contaminants from a contaminated layer of earth. The apparatus is a closed-loop device which includes one or more contaminant withdrawal wells surrounded by multiple air reinjection wells connected by a conduit. One or more pumps serve to draw volatilize ...


5
Mark D Buehlman, Frederick C Payne, Daniel T Rogers: Multi-level fluid transfer apparatus, system and process. AMSTED Industries Incorporated, Edward J Brosius, Stephen J Manich, April 3, 2001: US06210073 (7 worldwide citation)

A multi-level fluid transfer system, apparatus and process. In one well bore hole, there are multiple fluid transfer devices positioned to inject a fluid, such as air, at multiple levels in the well bore hole. There are seals between the levels establishing multiple compartments. Each fluid transfer ...


6
Frederick C Payne, Galen L Kilmer: Method of recovering subsurface contaminants. ETG Environmental MWR Division, James D Hall, August 30, 1994: US05342147 (4 worldwide citation)

A method of recovering contaminants entrained in subsurface soils which includes establishing a plurality of vacuum withdrawal wells and a plurality of air injection wells adjacent to a contaminated zone of earth. The method includes operating the wells in this fashion for a predetermined time, then ...


7
Frederick C Payne: Well construction method. Midwest Water Resource, Thomas J Dodd, September 24, 1991: US05050677 (3 worldwide citation)

A method of constructing a well into which conduit is inserted to inject air or to withdraw contaminated fluid from an underground plume. The method involves forming a borehole of a specified depth and partially filling the hole with a material of high fluid porosity. After the conduit is inserted i ...


8
Frederick C Payne: Apparatus for treating a contaminated media with a sorbent. Sheridan Ross PC, December 10, 2009: US20090306452-A1

The invention relates a sorbent and method of using the sorbent, more specifically to an inert sorbent and a method for treating an environmentally contaminated zone with the inert sorbent.