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Analysis of Cellulose-degrading Microbes in Anaerobic Co-digestion of Swine Manure with Corn Stover

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  2012 Dallas, Texas, July 29 - August 1, 2012  121340847.(doi:10.13031/2013.42205)
Authors:   Taoyuan Wei, Zhaoyang You, Zhimin Liu, Jorge Gontupil, Jay J Cheng
Keywords:   Anaerobic co-digestion, cellulose-degrading microorganisms, filter paper degradation

Anaerobic co-digestion of swine manure and corn stover for biogas production has been studied in completely-mixed and semi-continuously fed reactors. Preliminary results indicate that corn stover has been substantially degraded to methane in anaerobic co-digestion with swine manure. Corn stover contains mainly cellulose, hemicelluloses, and lignin, so cellulose-degrading microorganisms must have played an important role in the anaerobic co-digestion. One of the main objectives of this study was to analyze the cellulose-degrading microorganisms and their activities in the digestion.

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