Caffeine adsorption

Details Caffeine adsorption Caffeine adsorption

1980-05-28

1985-01-22

Golian, Joseph

Food or edible material: processes, compositions, and products

Processes

Treatment of liquid with nongaseous material other than...

426427, A23F 522

Patent

active

044952104

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 Activated Carbon, Industrial Commercial, Environmental, Chemical Publ. Co., Inc.: New York, pp. 34, 37, 91, 182-183, 346-348.

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