Method for mashing starch-rich material for alcohol production

Details Method for mashing starch-rich material for alcohol production Method for mashing starch-rich material for alcohol production

1982-01-22

1983-11-15

Nafe, David M.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing oxygen-containing organic compound

426 29, 426447, 426508, 435 93, C12P 100, C12P 706, C12C 704

Patent

active

044156596

ABSTRACT:
This invention relates to a method for mashing starch-rich material, for example whole grain or partially crushed grain, when manufacturing alcohol. The method has a very low energy consumption, because the amount of water added to the starch-rich material in the beginning of the mashing stage is low. High pressure steam and a short processing time are used to keep the starch-rich material to water ratio during the processing stage below 1:2 because very little water is condensed from the water vapor during a short period. The mashed material is finally broken down by "shooting" the material from the reactor by using pressurized air.

REFERENCES:
patent: 2348451 (1944-05-01), Christensen
patent: 3576645 (1971-04-01), Rozsa
patent: 3580728 (1971-05-01), Gulstad et al.
patent: 4350714 (1982-09-01), Duvall
De Clerck, J. A. Textbook of Brewing, vol. 1, Chapman & Hall Ltd., London, 1957 (pp. 319).
Altsheler, et al., Design of A Two-Bushel per Day Continuous Alcohol Unit, Chem. Eng. Progress, vol. 42, No. 9, 1947 (pp. 467-472.

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