Method of using admixture of water-soluble polymers in latex form and gypsum as seepage control agents
AssigneeNalco Chemical Company
InventorJoseph F. Vartiak
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Abstract
A method of sealing porous earthen surfaces which are in contact with ponded water which comprises treating the water in contact with such surfaces with the following composition: ______________________________________ General Formula Ingredients % by Weight ______________________________________ CaSO.sub.4 50-80 Latex Polymer (10-40% 5-20 anionic water-soluble polymer) Water Balance ______________________________________ The invention is particularly adapted to sealing soil which is in contact with acid mine waters.
Claims8
A method of sealing porous earthen surfaces which are in contact with ponded water comprising the addition of the following compositions:
- ______________________________________ Ingredients % by Weight ______________________________________ 1. Calcium sulfate 50-80 2. Water-in-Oil latex polymer containing 10-40% by weight anionic water-soluble polymer 5-20 3. Water Balance ______________________________________
- to water in contact with such surfaces.
A method of sealing porous earthen surfaces which are in contact with ponded water comprising the addition of the following preferred compositions:
- ______________________________________ Ingredients % by Weight ______________________________________ 1. Calcium sulfate 60-70 2. Water-in-Oil latex polymer containing 10-40% by weight anionic water-soluble polymer 15-25 3. Water Balance ______________________________________
- to water in contact with such surfaces.
A method of sealing porous earthen surfaces which are in contact with ponded water comprising the addition of the following compositions:
- ______________________________________ Ingredients % by Weight ______________________________________ 1. Calcium sulfate 50-80 2. Dry anionic water-soluble polymer 0.5-6 3. Water Balance ______________________________________
- to water in contact with such surfaces.
A method of sealing porous earthen surfaces which are in contact with ponded water comprising the addition of the following preferred compositions:
- ______________________________________ Ingredients % by Weight ______________________________________ 1. Calcium sulfate 60-70 2. Dry anionic water-soluble polymer. 1.5-3 3. Water Balance ______________________________________
- to water in contact with such surfaces.
Dependencies are inferred from the claim text.