Arrangement for driving volatile impurities from ground water

Details Arrangement for driving volatile impurities from ground water Arrangement for driving volatile impurities from ground water

1990-09-13

1992-03-17

Dang, Hoang C.

Wells

With below and above ground modification

1661055, 166106, 166265, 166370, E21B 4300

Patent

active

050959751

ABSTRACT:
An arrangement drives volatile impurities from ground water and ground through which it flows by producing a negative pressure in a well shaft extending to a region of a contaminated ground water by supplying a gas in an air chamber arranged above a water level in the well shaft. The arrangement includes partitions separating a well shaft region with a water permeable shaft wall for water suction from the ground and a well shaft region for resupply of the water into the ground. The partitions are formed as a pipe. A suction pump is arranged in the water suction region of the shaft and has an outlet, and a closed water receiving chamber is arranged underneath a nozzle body. The outlet of the suction pipe is connected with the water receiving chamber.

REFERENCES:
patent: 2986215 (1961-05-01), Barr
patent: 3945436 (1976-03-01), Nebolsine
patent: 4131161 (1978-12-01), Lacquement
patent: 4531593 (1985-07-01), Elliott et al.
patent: 4766957 (1988-08-01), McIntyre

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