Tank bottom restoration process
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United States of America Patent
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-
Aug 13, 2002
Grant Date -
N/A
app pub date -
Apr 1, 1997
filing date -
Apr 1, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for restoring the damaged bottom of a storage tank. The process is initiated by preparing a slurry containing unconsolidated solids and a gelation solution. The gelation solution includes an aqueous liquid solvent, a crosslinkable polymer, and a crosslinking agent. The slurry is placed on the internal bottom surface of the storage tank in a sufficient volume to fully cover the surface. The gelation solution is then gelled substantially to completion in the storage tank to form a gel that binds the unconsolidated solids and converts the slurry into a hardened conglomeration. The hardened conglomeration provides a coat over the internal bottom surface of the storage tank to prevent further damage to the bottom of the tank and leakage therethrough.
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