Method the hydrolytic splitting of acid treated comminuted crude

Details Method the hydrolytic splitting of acid treated comminuted crude Method the hydrolytic splitting of acid treated comminuted crude

1984-12-18

1987-11-24

Alvo, Steve

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

127 42, 162 14, 162 21, 162 47, 162 68, C13K 102

Patent

active

047087463

ABSTRACT:
A method for acid-catalyzed hydrolytic splitting of cellulose to give a high yield in sugar with a minimal expenditure in energy, in particular, with the smallest possible charge of live steam. Admission of steam is performed in a plurality of successive, discrete reaction stages having in each case defined temperature and pressure values in such a manner that the temperature rises from one stage to the next while the reaction time decreases and a rapid expansion takes place subsequently to the last reaction stage. A high pressure poured bed reactor is used for performing this method.

REFERENCES:
patent: 2356500 (1944-08-01), Boinot
patent: 3640768 (1972-02-01), Eickemeyer
patent: 4274911 (1981-06-01), Kroneld et al.
patent: 4401510 (1983-08-01), Olson et al.
patent: 4461648 (1984-07-01), Fuody
Grethlein, "Comparison of the Economics of Acid and Enzymatic Hydrolysis of Newsprint"; Biotechnology & Bioengineering, vol. XX, pp. 503-525, 1978.

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