Purification of .alpha.-acids and .beta.-acids

Details Purification of .alpha.-acids and .beta.-acids Purification of .alpha.-acids and .beta.-acids

1997-11-13

1999-06-29

Geist, Gary

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

Organic compounds

Oxygen containing

568350, 568347, 568377, 568341, 426600, C07C 4578

Patent

active

059170930

ABSTRACT:
Unsaturated organic compounds, in particular .alpha.-acids and .beta.-acids, are purified prior to hydrogenation by mixing them with an adsorbent capable of adsorbing catalyst poisons, preferably activated carbon, and separating the adsorbent containing the catalyst poisons to recover the thus purified unsaturated organic compounds. A significant reduction in the use of hydrogenation catalyst is realized.

REFERENCES:
patent: 4013721 (1977-03-01), Reininger et al.
patent: 4590296 (1986-05-01), Cowles et al.
patent: 4644084 (1987-02-01), Cowles et al.
patent: 4778691 (1988-10-01), Todd, Jr. et al.
patent: 4918240 (1990-04-01), Todd, Jr. et al.
Energy Reserach Abstract, 16(7), Abstract # 16052, 1991.
D. Hairston, "Activated Carbon Gets Revved Up," Chemical Engineering pp. 75, 76, 78, 1995.

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