Erosion resistant barrier with varying permeabilities

Details Erosion resistant barrier with varying permeabilities Erosion resistant barrier with varying permeabilities

2005-11-23

2008-10-21

Marcantoni, Paul (Department: 1793)

Hydraulic and earth engineering

Subterranean waste disposal, containment, or treatment

Waste barrier, containment, or monitoring

C405S129650, C405S263000, C405S264000, C405S265000, C405S266000, C405S302600, C252S088100, C106S705000, C106S718000, C106SDIG002

Reexamination Certificate

active

07438500

ABSTRACT:
The invention relates to a barrier cap material including a blend of: a plurality of aggregate particles, and a plurality of manufactured composite particles including a hydratable sealant material. In a particular embodiment, the segregation of a blend of aggregate particles and composite particles, when dropped through a water column can be controlled by varying blends of aggregate and composite particles. In another embodiment, the permeability of the barrier cap material, when hydrated on a surface, can be controlled from 1×10−3cm/sec to 1×10−8cm/sec by varying blends of aggregate and composite particles.

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