Adsorption process

Details Adsorption process Adsorption process

1977-02-24

1978-09-12

Hart, Charles N.

Food or edible material: processes, compositions, and products

Processes

Treatment of liquid with nongaseous material other than...

210 33, 210 34, 210 40, A23F 110, B01D 1502

Patent

active

041138880

ABSTRACT:
The selectivity of an adsorbent for the preferential adsorbed component of a multi-component aqueous solution is improved by means of passing an aqueous solution of the adsorbed solids eluted from the most spent stage of a multi-stage countercurrent adsorption process through a freshly regenerated bed of the same absorbent. By means of this process the preferentially adsorbed component is concentrated in the fresh bed. This invention is useful in decaffeinating aqueous coffee extracts.

REFERENCES:
patent: 2797190 (1957-06-01), Scott et al.
patent: 3803030 (1974-04-01), Montanaro et al.
patent: 4031251 (1977-06-01), Margolis et al.

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