Adsorption decaffeination

Details Adsorption decaffeination Adsorption decaffeination

1980-06-16

1982-04-13

Golian, Joseph M.

Food or edible material: processes, compositions, and products

Processes

Treatment of liquid with nongaseous material other than...

426423, 544274, A23F 338, A23F 522

Patent

active

043248403

ABSTRACT:
The process disclosed herein decaffeinates an aqueous caffeine solution by contacting it with a solid caffeine adsorbent which is made more selective to caffeine by a thin layer of a water-immiscible, caffeine-specific solvent. The caffeine is selectively extracted from the aqueous solution, leaving the solubles necessary for a good tasting beverage, by the solid adsorbent. Because the solvent is selective, the coated adsorbent likewise shows selectivity.

REFERENCES:
patent: 4113886 (1978-09-01), Katz
patent: 4113887 (1978-09-01), Kramer et al.
patent: 4113888 (1978-09-01), Henig et al.
patent: 4160042 (1979-07-01), Farr et al.
patent: 4237288 (1980-12-01), Rieshmore

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