Method for contacting active material with liquids and separatin

Details Method for contacting active material with liquids and separatin Method for contacting active material with liquids and separatin

1991-01-09

1992-03-24

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210694, 2105021, 210506, B01D 1500

Patent

active

050985779

ABSTRACT:
Active or functional materials such as adsorbents, catalysts, defoamers and the like are combined with inert low density particles, preferably hollow microspheres, to provide a functional material of controlled density. This product is introduced into a liquid with a somewhat higher density under agitation for a time sufficient to accomplish the desired function. Then agitation is stopped and the spent product floats to provide easy separation.

REFERENCES:
patent: 3536615 (1970-10-01), Bunn
patent: 4435366 (1984-03-01), Heitkamp et al.
patent: 4486481 (1984-12-01), Heitkamp et al.

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