Caffeine recovery from activated carbon

Details Caffeine recovery from activated carbon Caffeine recovery from activated carbon

1993-07-15

1995-03-21

Rizzo, Nicholas

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen bonded directly to ring carbon of the purine ring...

544274, C07D47312

Patent

active

053996887

ABSTRACT:
The invention relates to a process for recovering caffeine from caffeine-loaded activated carbon and which is characterized in that the caffeine destroying activity of the activated carbon is reduced before or after loading with caffeine. The activated carbon can to that end be treated with acids, buffers, complexing agents, redox substances, caffeine and other xanthine derivatives. The caffeine recovery yield can be considerably increased by this means.

REFERENCES:
patent: 4673743 (1987-06-01), Wilkins
patent: 4877631 (1989-10-01), Kaper et al.

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