Hydrolysis of deciduous wood

Details Hydrolysis of deciduous wood Hydrolysis of deciduous wood

1974-11-13

1976-05-04

Wolk, Morris O.

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

260124R, 260635C, C13K 1300

Patent

active

039544974

ABSTRACT:
A process for the hydrolysis of deciduous wood wherein the hydrolysis is carried out in a first stage with an alkali metal hydroxide solution of concentration less than 4 percent by weight and in a second stage with mineral acid. A resulting product, D-(+)-xylose, can be recovered as such or converted directly to xylitol. The process also provides for the convenient recovery of lignin and cellulose present in the wood.

REFERENCES:
patent: 2801955 (1957-08-01), Rutenberg
patent: 2835611 (1958-05-01), Snyder
patent: 3212933 (1965-10-01), Hess
patent: 3251716 (1966-05-01), Porter
patent: 3565687 (1971-02-01), Suminoe
patent: 3784408 (1974-01-01), Jaffe
patent: 3787241 (1974-01-01), Eickemeyer
patent: 3817826 (1974-06-01), Nygard

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