Decaffeination with treated activated carbon

Details Decaffeination with treated activated carbon Decaffeination with treated activated carbon

A - Human Necessities

23

F

99/80

A23F 5/22 (2006.01)

Patent

CA 1204621

DECAFFEINATION WITH TREATED ACTIVATED CARBON ABSTRACT OF THE INVENTION An aqueous coffee extract is decaffeinated with a treated activated carbon. The activated carbon is first contacted with an ethyl cellulose solution in order to adsorb the ethyl cellulose on the carbon. The ethyl cellulose-containing activated carbon is then dried and contacted with an aqueous coffee extract. The substantially decaffeinated extract is subsequently separated from the carbon. 30006-E

462888

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