Method and apparatus for the hydrolytic separation of cellulose

Details Method and apparatus for the hydrolytic separation of cellulose Method and apparatus for the hydrolytic separation of cellulose

1988-08-25

1991-02-12

Pak, Chung K.

Sugar, starch, and carbohydrates

Apparatus

Hydrolyzing

127 37, 162 14, 422188, 422189, 422209, 422233, B01J 300, C13K 102

Patent

active

049921053

ABSTRACT:
A plurality of reactors, which can all be interconnected selectively by way of pipes, are used for the hydrolytic separation of a cellulose-containing substrate so that a stepwise pressure reduction in one reactor is made possible and thus a stepwise pressure build-up in all the other reactors. The steam entering and leaving the reactors is used to produce a fluidized bed of the substrate. A high output with a low specific expenditure of energy is achieved by these measures.

REFERENCES:
patent: 4427453 (1984-01-01), Reitter
patent: 4468256 (1984-08-01), Hinger
patent: 4589924 (1986-05-01), Erckel et al.
patent: 4645541 (1987-02-01), DeLong
patent: 4706903 (1987-11-01), Brink et al.
patent: 4708746 (1987-11-01), Hinger
"Comparison of the Economics of Acid and Enzymatic Hydrolysis of Newsprint", Biotechnology and Bioengineering, vol. XX, pp. 503-525 (1978).

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