• ISSN: 2010-0248 (Print)
    • Abbreviated Title: Int. J. Innov.  Manag. Technol.
    • Frequency: Quarterly
    • DOI: 10.18178/IJIMT
    • Editor-in-Chief: Prof. Jin Wang
    • Managing Editor: Ms. Nancy Y. Liu
    • Abstracting/ Indexing: Google Scholar, CNKI, Ulrich's Periodicals Directory,  Crossref, Electronic Journals Library.
    • E-mail: ijimt@ejournal.net
IJIMT 2014 Vol.5(2): 116-119 ISSN: 2010-0248
DOI: 10.7763/IJIMT.2014.V5.497

Effect of Carbon to Nitrogen Ratio of Food Waste on Biogas Methane Production in a Batch Mesophilic Anaerobic Digester

Musa I. Tanimu, Tinia I. Mohd Ghazi, Razif M. Harun, and Azni Idris

Abstract— Food waste mixture at carbon to nitrogen (C/N) ratio 17 was combined with meat, fruits and vegetable wastes to increase its C/N ratio to 26 and 30 before anaerobic digestion. Results showed that biogas methane yield obtained during the digestion increased from 0.352L/gVS, 0.447L/gVS and finally to a maximum yield of 0.679 L/gVS at C/N ratio of 17, 26 and 30, respectively. A maximum food waste treatment efficiency of 85% was obtained at C/N ratio 30. Generally, increase in C/N ratio through co-digestion resulted in a more stable pH and better methanogenic activity due to enhanced buffering effect of the digestion medium.

Index Terms— Biogas methane, batch digester, carbon to nitrogen ratio, food waste, mesophilic digester.

Musa Idris Tanimu is with the Department of Chemical and Environmental Engineering, Universiti Putra Malaysia, on study leave from Chemical Engineering Department, Kaduna Polytechnic, pmb 2021, Kaduna, Kaduna state Nigeria (e-mail: musandadrisu@gmail.com).
Tinia I. Mohd Ghazi, Razif M. Harun, and Azni Idris are with the Department of Chemical and Environmental Engineering Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia (e-mail: tinia@upm.edu.my, mh_razif@upm.edu.my, azni@upm.edu.my).

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Cite: Musa I. Tanimu, Tinia I. Mohd Ghazi, Razif M. Harun, and Azni Idris, " Effect of Carbon to Nitrogen Ratio of Food Waste on Biogas Methane Production in a Batch Mesophilic Anaerobic Digester," International Journal of Innovation, Management and Technology vol. 5, no. 2, pp. 116-119, 2014.

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