Contamination diffusion preventing structure in contaminated...

Details Contamination diffusion preventing structure in contaminated... Contamination diffusion preventing structure in contaminated...

2007-05-29

2007-05-29

Kreck, John (Department: 3673)

Hydraulic and earth engineering

Subterranean waste disposal, containment, or treatment

Waste barrier, containment, or monitoring

Reexamination Certificate

active

10517290

ABSTRACT:
In order to effectively prevent diffusion of a harmful substance to a non-polluted soil side with a relatively simple and inexpensive construction without requiring a large-scale system, a pollution diffusion preventive wall member is installed underground for partitioning between a polluted soil side and a non-polluted soil side, the wall member being formed of wall forming material having water-permeability and containing a rare earth compound carried therein.

REFERENCES:
patent: 6357968 (2002-03-01), Dwyer et al.
patent: 6699321 (2004-03-01), Pelot et al.
patent: 10-311082 (1998-11-01), None
patent: 2001-200236 (2001-07-01), None
patent: 2002-79233 (2002-03-01), None
patent: 1423548 (1988-09-01), None

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