B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 3/10 (2006.01) B65D 88/76 (2006.01) B65D 90/04 (2006.01) C09K 3/12 (2006.01)
Patent
CA 2229885
A process is provided 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 placedon 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.
Procédé pour restaurer le fond d'un réservoir de stockage. Le procédé consiste d'abord à préparer une bouillie contenant des solides non consolidés et une solution de gélation. Cette dernière comprend un solvant liquide aqueux, un polymère réticulable, un agent de réticulation. La bouillie est ensuite placée sur la surface interne du fond du réservoir. Le volume de bouillie doit être suffisant pour couvrir toute la surface au complet. La solution de gélation est ensuite gélifiée essentiellement dans le réservoir pour former un gel qui lie les solides non consolidés et convertit la bouillie en conglomérat durci. Celui-ci fournit un revêtement sur la surface interne du fond du réservoir qui empêche que d'autres dommages soient causés au fond et qu'il y ait fuite de produits stockés.
Hutchison Bradley D.
Ogden Becky L.
Southwell George P.
Macrae & Co.
Marathon Oil Company
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