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US 5,629,368 AGranted
Liquid slurry of bentonite
AssigneeNalco Canada Inc.
InventorDaniel K. Chung
Life of this patent
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Abstract
A process for preparing a liquid slurry of bentonite which comprises the steps of charging a reactor vessel with between about 25 to about 75% of water by weight. The water is heated to a temperature range between about 50.degree. C. to about 95.degree. C. The reactor vessel is charged with between about 0, 1 and about 10% of sodium salt of silicic acid by weight and with between about 15 to about 35% of bentonite by weight. The reactor vessel is also charged with between about 10 to about 30% of a polyacrylate by weight.
Claims9
A process for preparing a liquid slurry of bentonite which comprises the steps of:
- charging a reactor vessel with between about 25 to about 75% by weight of water;
- heating said water to a temperature in the range between about 50.degree. C. to about 95.degree. C.;
- charging said reactor vessel with between about 0.1 about 10% by weight of sodium salt of silicic acid;
- charging said reactor vessel with between about 15 to about 35% by weight of bentonite;
- and
- charging said reactor vessel with between about 10 to about 30% by weight of a polyacrylate.
3 more elements
Dependencies are inferred from the claim text.