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

Abstract:

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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.

Info:

Periodical:

Edited by:

Han Zhao

Pages:

414-417

DOI:

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

Citation:

Y. F. Zhao et al., "Characteristics of Anaerobic Co-Digestion of Corn Straw and Cabbage for Biogas Production", Applied Mechanics and Materials, Vols. 130-134, pp. 414-417, 2012

Online since:

October 2011

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$35.00

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