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US 2003/0197305 A1Published application
Method of using clays to form absorbent materials
OwnerMike Collinsinventor
Life of this patent
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Abstract
In one embodiment, a method of forming an absorbent material from clay fines, which includes treating the clay fines with an additive, wetting the clay fines so as to have a moisture content of the clay fines of about 22% to 50% of the weight of the clay fines plus the weight of the additive, and extruding the treated and wetted clay fines so as to produce the absorbent material is disclosed. In a particular embodiment, at least a portion of the clay fines is a clay selected from sepiolite, saponite, hectorite, attapulgite clay, and mixtures thereof.
Claims23
A method of forming an absorbent material from clay fines, comprising:
- treating the clay fines with an additive;
- wetting the clay fines so as to have a moisture content of the clay fines of about 22% to 50% of the weight of the clay fines plus the weight of the additive;
- and
- extruding the treated and wetted clay fines so as to produce the absorbent material.
1 more element
Dependencies are inferred from the claim text.