Method for continuous hydrolysis of pentose containing material

Details Method for continuous hydrolysis of pentose containing material Method for continuous hydrolysis of pentose containing material

1975-01-13

1977-05-24

Marantz, Sidney

Sugar, starch, and carbohydrates

Apparatus

Hydrolyzing

127 37, 162 14, 426635, A23K 112, C13K 102, C13K 1300, D21C 700

Patent

active

040253562

ABSTRACT:
Method and apparatus for the continuous acid hydrolysis of pentosan-containing material at a temperature between 80.degree. and 120.degree. C and at a pH lower than 5. At least two portions of hydrolysate are re-cycled back into the hydrolysis vessel. One recycle portion having a lower acid concentration is supplemented with additional acid before being returned to the hydrolysis vessel.

REFERENCES:
patent: 2086963 (1937-07-01), Scholler
patent: 2474669 (1949-06-01), Hering
patent: 2681871 (1954-06-01), Wallace
patent: 2734836 (1956-02-01), Elian
patent: 3079304 (1963-02-01), Thomsen
patent: 3212932 (1965-10-01), Hess
patent: 3251716 (1966-05-01), Porter
patent: 3523911 (1970-08-01), Funk
patent: 3640768 (1972-02-01), Eickemeyer

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