Conversion of lignocellulosic biomass into biogas

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United States of America

PATENT NO 12221643
APP PUB NO 20220220517A1
SERIAL NO

17706569

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Abstract

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A method for biogas production includes feeding a receiving structure with a feed containing biomass that comprises lignocellulose and directing the feed from the receiving structure into an anaerobic secretome bioreactor (ASB) reactor environment which includes a synthetic microbial community consisting of at least one selected from extremophile thermophilic anaerobic microorganisms that are essentially acidogens and acetogens, the synthetic microbial community producing a secretome of exozymes. The ASB treated biomass is further directed to an aerobic digestion (AD) reactor environment, the ASB treated biomass being pasteurized so as to be essentially free of non-thermophilic microorganisms, the ASB treated biomass comprising liquid effluent containing solubilized biomass products and metabolized biomass products, and solid effluent. Contents or heat are recycled through a conduit between the ASB reactor environment and the AD reactor environment.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aanderud, Zachary T Provo, US 5 2
Hansen, Conly L N. Logan, US 23 187
Hansen, Jaron C Springville, US 6 28
Hansen, Lee D Saratoga Springs, US 12 60

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