Methane fermentation method

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United States of America Patent

PATENT NO 9957183
SERIAL NO

15501282

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Abstract

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A methane fermentation method having the steps of finely pulverizing an organic substance adjusted such that a moisture content of the organic substance is equal to or less than 10%, in a wet bead mill; supplying the organic substance which is finely pulverized in the pulverization step to a methane fermentation chamber and decomposing the organic substance with an anaerobic microorganism to cause methane fermentation so as to generate methane gas; separating, with a UF membrane, a digestive fluid after the methane fermentation in the methane fermentation step into a concentrated liquid and a permeation liquid; returning the concentrated liquid separated in the separation step to the methane fermentation chamber; and agitating the contents of the methane fermentation chamber with a water flow produced by the return of the concentrated liquid in the return step.

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Patent Owner(s)

Patent OwnerAddress
IDO KOJI9-15-303 NODA 2-CHOME KITA-KU OKAYAMA-SHI OKAYAMA 7000971 JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ido, Koji Okayama, JP 2 0
Ido, Yasumasa Okayama, JP 2 0

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