Apparatus and process for removing volatile contaminants from be

Details Apparatus and process for removing volatile contaminants from be Apparatus and process for removing volatile contaminants from be

1989-10-23

1990-08-07

Kisliuk, Bruce M.

Wells

Processes

Separating material entering well

166267, 166268, 166370, 405128, 405258, 210901, 210922, E21B 4340, E02D 300

Patent

active

049459880

ABSTRACT:
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 oxygen rich air into the vadose zone to stimulate bacterial growth which aids contaminant recovery. Volatilized contaminants are pulled out of the soil through withdrawal wells which terminate in the vadose zone.

REFERENCES:
patent: 4183407 (1980-01-01), Knopik
patent: 4323122 (1982-04-01), Knopik
patent: 4593760 (1986-06-01), Visser et al.
patent: 4660639 (1987-04-01), Visser et al.
patent: 4730672 (1988-03-01), Payne
patent: 4745850 (1988-05-01), Bastian et al.
patent: 4765902 (1988-08-01), Ely et al.
patent: 4832122 (1989-05-01), Corey et al.
patent: 4848460 (1989-07-01), Johnson, Jr. et al.
patent: 4849360 (1989-07-01), Norris et al.
patent: 4850745 (1989-07-01), Hater et al.

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