Spent grain fuel product and process

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United States of America Patent

PATENT NO 10364400
APP PUB NO 20170121619A1
SERIAL NO

14756904

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Abstract

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A process of making a fuel product from spent grain from a beer brewing process. In the brewing process, the grain is pulverized to a particle size whose mean particle size is approximately 0.25 mm to 0.6 mm with less than 1% greater than 2 mm. After the brewing sugars are extracted from the grain, the spent grain is pressed against a filter to reduce moisture below sixty-five percent (65%), and then the grain is dried to further reduce its moisture to less than ten percent (10%). The dried spent grain, after the aforementioned processing, is fed into a combustion chamber for a steam boiler that is used for beer brewing, and the spent grain is separated during combustion by agitation such as spraying of the grain in the combustion chamber.

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Patent Owner(s)

Patent OwnerAddress
AKBEV GROUP LLC5429 SHAUNE DRIVE JUNEAU AK 99801

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Holmes, Curtis Juneau, US 3 1
Larson, Geoffrey L Juneau, US 3 0
Smith, Brandon Michael Chico, US 2 0
Wilson, David D Juneau, US 8 31

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