Characteristics of Anaerobic Co-Digestion of Corn Straw and Cabbage for Biogas Production

Yuan Fang Zhao; Shi Guan Yang; Ji Hong Li; Yong Mei He; Qiang Lu; Chang Qing Dong

doi:10.4028/www.scientific.net/AMM.130-134.414

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 130-134Characteristics of Anaerobic Co-Digestion of Corn...

Characteristics of Anaerobic Co-Digestion of Corn Straw and Cabbage for Biogas Production

Abstract:

In order to study characteristics of anaerobic co-digestion of corn straw and cabbage, the experiment was performed with corn straw to cabbage (S:C) of 4:1, 6:1 and 10:1 based on total solids (TS) at 35±1°C at initial TS of 8%. The effects of co-digestion on pH, volatile fatty acid (VFA), and biogas yield were examined. Results showed that the S:C of 4:1 was optimal with accumulative biogas yield of 334.53mL/gTS compared with S:C of 6:1 and 10:1 with accumulative biogas yield of 289.31mL/gTS and 311.37 mL/gTS, respectively. This should be attributed to the high VFA concentration achieved by S:C of 4:1.

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Periodical:

Applied Mechanics and Materials (Volumes 130-134)

Pages:

414-417

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.130-134.414

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Online since:

October 2011

Authors:

Yuan Fang Zhao, Shi Guan Yang, Ji Hong Li, Yong Mei He, Qiang Lu, Chang Qing Dong

Keywords:

Anaerobic Co-Digestion, Biogas Production, Cabbage, Corn Straw, Volatile Fatty Acid (VFA)

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