Method for mashing starch-rich material for alcohol production
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United States of America Patent
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Nov 15, 1983
Grant Date -
N/A
app pub date -
Jan 22, 1982
filing date -
Feb 5, 1981
priority date (Note) -
Expired
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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.
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