Compositions and methods for the remediation of chemical...

Details Compositions and methods for the remediation of chemical... Compositions and methods for the remediation of chemical...

B - Operations, Transporting

01

J

134/39, 362/47

B01J 20/22 (2006.01) B01D 15/02 (2006.01) B09C 1/00 (2006.01) B09C 1/02 (2006.01) C02F 1/68 (2006.01)

Patent

CA 2304716

Compositions and methods for decreasing chemical contamination in subsurface water bearing geological formations, comprising an oxidized form of lignitic coal, or its derivatives, preferably leonardite, and at least one surface active agent. The compositions can be applied to an affected water bearing formation by conventional groundwater management methods, e.g., injection wells and groundwater extraction systems.

L'invention concerne des compositions et des procédés utilisés pour la réduction de la contamination chimique dans les formations géologiques aquifères. Lesdites compositions comprennent une forme oxydée de charbon ligneux ou ses dérivés, de préférence de la léonardite, et au moins un agent tensioactif. Les compositions de l'invention peuvent être appliquées sur une formation aquifère polluée, par des procédés de gestion de nappes souterraines, par exemple au moyen de puits d'injection et de systèmes d'extraction d'eau souterraine.

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