Landfill leachate collection and leak detection sump system

Details Landfill leachate collection and leak detection sump system Landfill leachate collection and leak detection sump system

1988-06-10

1989-03-07

Corbin, David H.

Hydraulic and earth engineering

Subterranean waste disposal, containment, or treatment

With treatment of waste

405 38, 405 53, 210170, B65G 500, E02D 3100

Patent

active

048101311

ABSTRACT:
A landfill leachate collection and removal system in combination with a leachate and leakage detection system has been developed which includes a leachate collection sump intended to receive all of the rain which falls within the confines of the landfill. This rainfall may flow across the landfill floor to a sump or it may "leach" downward through waste into a drainage media and on to the sump. Further downward percolation of water is prevented by a first liner. The landfill system includes a leak detection sump system, intended to collect only that leachate which passes or leaks through the first liner. Both the collection and detection sumps are fabricated for examples, from high density polyethylene. Both sumps are perforated at definite elevations and both sumps rest in a concrete basin. A second liner lies between the sump bottoms and the concrete basin and the first liner is preferably welded to flanges on the sumps.

REFERENCES:
patent: 4350461 (1982-09-01), Valiga
patent: 4451173 (1984-05-01), Watson et al.
patent: 4526615 (1985-07-01), Johnson
patent: 4543013 (1985-09-01), Wagner et al.
"Minimum Technology Guidance on Double Liner Systems for Landfills and Surface Impoundments-Design, Construction, and Operation", EPA/530-SW-85-014, Second Version, May 24, 1985.

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