Land fill for waste materials and method of making the same

Details Land fill for waste materials and method of making the same Land fill for waste materials and method of making the same

1989-03-03

1990-02-20

Taylor, Dennis L.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405 52, 405129, 405270, E02D 1500

Patent

active

049021672

ABSTRACT:
A land fill and method of containing solid wastes and/or waste fluids comprises placing the waste and/or waste fluids, either enclosed in a container, free flowing, solidified or treated, in a preformed cavity or pit that is excavated in a naturally occurring deposit of bentonite clay located adjacent or beneath the surface of the earth. The waste and/or waste fluid is of a type that will not pass through a bentonite layer that is left in its natural place after excavation thereby forming a natural liner or bottom wall of the excavated cavity. After the cavity or pit has been substantially filled with waste material, an overlayer of water-swellable bentonite may be provided on top of the mass of waste material and joining the liner wall around the outer peripheral edge to permanently enclose and seal-off the waste material, or the upper surface of the waste filled pit may be left uncovered.

REFERENCES:
patent: 3732697 (1973-05-01), Dickson
patent: 4030307 (1977-06-01), Avedisian
patent: 4166709 (1979-09-01), Valiga
patent: 4222685 (1980-09-01), Jefferson et al.
patent: 4362434 (1982-12-01), Valiga et al.
patent: 4430021 (1984-02-01), Wagner et al.
patent: 4501788 (1985-02-01), Clem

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