Process for making xylitol

Details Process for making xylitol Process for making xylitol

1975-06-18

1977-02-15

Wolk, Morris O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

127 37, 127 46A, 127 46B, 260637R, 536 1, C07C 3118, C13K 1300

Patent

active

040082857

ABSTRACT:
A method for recovering xylitol from pentosan-, preferably xylan-containing raw materials including the steps of hydrolyzing the raw material, purifying the hydrolysate by ion exclusion and color removal, and then subjecting the purified solution to chromatographic fractionation to provide a solution containing a high level of xylose. The xylose solution is hydrogenated and a xylitol-rich solution is recovered by chromatographic fractionation using ion exchange resins.

REFERENCES:
patent: 2818851 (1958-01-01), Khym
patent: 2890972 (1959-06-01), Wheaton
patent: 2917390 (1959-12-01), Apel
patent: 3305395 (1967-02-01), Scallet
patent: 3420709 (1969-01-01), Barrett
patent: 3558725 (1971-01-01), Kohno
patent: 3579380 (1971-05-01), Friese
patent: 3784408 (1974-01-01), Jaffe
patent: 3830770 (1973-05-01), Zievers
O. Samuelson et al., Actd. Chem. Scand., 22, 1252-1258 (1968).

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