Process for production of sorbents for uptake of liquids

Details Process for production of sorbents for uptake of liquids Process for production of sorbents for uptake of liquids

B - Operations, Transporting

01

J

B01J 20/12 (2006.01) A01K 1/015 (2006.01) A61L 15/18 (2006.01) C09K 3/32 (2006.01) A62D 3/00 (2006.01)

Patent

CA 2111913

ABSTRACT A process for production of sorbents based on bentonite for uptake of liquids is described, characterized in that a poorly swelling bentonite with a water uptake capacity of less than 100% (in terms of the dried bentonite with a residual water content of 6 wt.%), a monomorillonite content of around 40-65 wt.% and a water content of 20-40 wt.% is homogenized with a basic-reacting alkaline metal compound by thorough kneading and converted by ion exchange to a swelling bentonite while the pH value of the mixture is not more than 10.5, the mixture is gently dried, and the dried mixture is fragmented.

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