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US 5,690,448 AGranted
Landfill closure system
AssigneeE. I. Du Pont de Nemours and Company
InventorsLeonard Joseph Fasullo, Brian Joseph Strusowski, Michael U. Destefano, David Giacomini, Michael Joseph Lukas
Life of this patent
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Abstract
A landfill closure system comprising (a) a vegetated top layer comprising an effective among of an iron containing solids component; (b) a drainage layer; and (c) a low-permeability layer is disclosed.
Claims7
A landfill closure system, comprising:
- (a) a vegetated top layer comprising an iron containing solids component, wherein the iron containing solids component is produced from the neutralization of a metal chloride by-product stream;
- (b) a drainage layer;
- and
- (c) a low-permeability layer comprising a geomembrane liner.
1 more element
Dependencies are inferred from the claim text.