Caffeine adsorption

Details Caffeine adsorption Caffeine adsorption

1981-05-15

1985-04-02

Golian, Joseph

Food or edible material: processes, compositions, and products

Processes

Treatment of liquid with nongaseous material other than...

426427, A23F 522

Patent

active

045087431

ABSTRACT:
In the decaffeination of green coffee beans with an aqueous medium, caffeine is removed from the aqueous medium which also contain non-caffeine green coffee solids, contact with substantially neutral active carbon. Thereafter the medium may be recycled to extract further amounts of caffeine from the same or another batch of green coffee beans.
Other features of the invention are described in the specification.

REFERENCES:
patent: 2198859 (1940-04-01), Burgin
patent: 4160042 (1979-07-01), Farr et al.
Hassler, Active Carbon, 1951, Chemical Publ. Co., Inc., New York, pp. 21, 184, 358-360.
Hassler Purification with Active Carbon-Industrial Commercial Environmental, Chemical Publ. Co., New York, pp. 34, 37, 91, 182-183, 346-348.

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