Combination vibrator, aerator, and liquid-injection system

Details Combination vibrator, aerator, and liquid-injection system Combination vibrator, aerator, and liquid-injection system

1991-02-12

1992-09-29

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

405128, 405269, 405271, E02D 300

Patent

active

051509881

ABSTRACT:
A combination vibrator, aerator, and liquid-injection device for in-situ treatment of sediments to facilitate the reduction, elimination or removal of substances by microbiological or chemical treatment. In the preferred embodiment of the invention, the aerator and liquid-injection elements are attached to an internal concrete vibrator which penetrates and agitates the sediments. Air released from the aerator supplies oxygen to microorganisms in the sediments for the aerobic biodegradation of target substances. Liquids released under pressure from the liquid injector introduce microorganisms, nutrients or other chemicals such as oxidizers and detergents for degradation or solubilization of target substances.

REFERENCES:
patent: 4397590 (1983-08-01), Friesen et al.
patent: 4624606 (1986-11-01), Nakanishi et al.
patent: 4690764 (1987-09-01), Okumura et al.
patent: 4786212 (1988-11-01), Bauer et al.
patent: 4797212 (1989-01-01), von Nordamskjold
patent: 4842780 (1989-06-01), Shimada et al.

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