Process for converting cellulose to glucose and other saccharide

Details Process for converting cellulose to glucose and other saccharide Process for converting cellulose to glucose and other saccharide

1986-06-19

1987-10-13

Metz, Andrew

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 1, C13K 102

Patent

active

046991247

ABSTRACT:
A method of hydrolyzing cellulose to glucose and other saccharides, involving the bringing together in a reaction area an alphacellulose containing material, water, an effective amount of a calcium chloride catalyst and a minor amount of HCl. The temperature of said reaction mixture is adjusted to between 150.degree. C. to 250.degree. C. at a pressure of at least 160 psig for a retention time of at least 10 seconds in the reaction area to convert the alphacellulose to glucose and other saccharides. The method involves the use of HCl on a total mass basis, ranging from 0.025% to 1.0% by weight of the reaction mixture which is fed into the reactor.

REFERENCES:
patent: 4018620 (1977-04-01), Penque
Chemical Abstract, vol. 66, No. 22, issued May 29, 1986, Tyshetskaya et al, "The Application of the Method of Salt (Extraction) Retification of the Decomposition of Hydrochloric Acid in the Production of Glucose by [Wood] Hydrolysis", p. 9055, Abstract No. 96377q.

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