Hydraulic and earth engineering – Subterranean waste disposal – containment – or treatment – Landfill
Reexamination Certificate
2007-12-18
2007-12-18
Kreck, John (Department: 3673)
Hydraulic and earth engineering
Subterranean waste disposal, containment, or treatment
Landfill
C405S129570
Reexamination Certificate
active
11198754
ABSTRACT:
A fluid injection and removal system to inject or remove fluids from a landfill or contaminated area. The system allows for treatment of waste in the landfill or the contaminated area. The fluid injection and removal system includes a permeable layer and at least one perforated pipe. The permeable layer enables essentially uniform distribution of the fluid into the underlying waste or contaminated area. The fluid injection and removal system can be combined with a leachate collection system to create a leachate recirculation system for use in a landfill. The leachate collection system includes at least one perforated collection pipe embedded in a drainage layer. Sensors can be provided in the permeable layer to enable the change in the physical characteristics of the waste adjacent the permeable layer to be monitored.
REFERENCES:
patent: 5857807 (1999-01-01), Longo, Sr.
patent: 5888022 (1999-03-01), Green
patent: 6283676 (2001-09-01), Hater et al.
patent: 6284681 (2001-09-01), Langton et al.
patent: 6929423 (2005-08-01), Kittle
patent: 2004/0151548 (2004-08-01), Hardin et al.
Board of Trustees of Michigan State University
Kreck John
McLeod Ian C.
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