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Ehiri, R. C., Ikelle, I. I., Mgbabor, C. and Ogbuanu, C. C. (2014), Kinetics of Biogas Production from a Mixture of Water Hyacinth and Fresh Rumen Residue, IOSR Journal of Applied Chemistry, Vol. 7, Issue 7 Ver. III, pp. 36-39.

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Article

A Kinetic Study of Biogas Produced from Cow and Elephant Dungs Using the Residual Substrate Concentration Approach

1Department of Chemical Engineering, Abubakar Tafawa Balewa University, Bauchi, PMB 0248, Bauchi, Bauchi State-Nigeria

2Department of Chemical Engineering, Ahmadu Bello University, Zaria, Kaduna State-Nigeria


Chemical Engineering and Science. 2015, Vol. 3 No. 1, 7-11
DOI: 10.12691/ces-3-1-2
Copyright © 2015 Science and Education Publishing

Cite this paper:
Surajudeen Abdulsalam, Mustapha Yusuf. A Kinetic Study of Biogas Produced from Cow and Elephant Dungs Using the Residual Substrate Concentration Approach. Chemical Engineering and Science. 2015; 3(1):7-11. doi: 10.12691/ces-3-1-2.

Correspondence to: Surajudeen  Abdulsalam, Department of Chemical Engineering, Abubakar Tafawa Balewa University, Bauchi, PMB 0248, Bauchi, Bauchi State-Nigeria. Email: surajudeen_abdulsalam@yahoo.com

Abstract

Kinetic investigations of biogas produced from Cow dung and Elephant dung were carried out. Three samples tagged: 1 (100% Cow dung), 2 (50% Cow dung and 50% Elephant dung) and 3 (100% Elephant dung) were investigated in prototype batch bio-digesters using anaerobic digestion process. In addition, the kinetic studies of the three samples investigated were carried out. Results obtained revealed that Sample ‘2’, the co-digestion of Cow and Elephant dung gave the best cumulative biogas production of 3.92*10-4 g/cm3 and average yield of 0.084 5 over a period of 33 days. The kinetic of the process followed a shifting order (0-1); the kinetic parameters obtained can be used to size bio-digester and also monitor the rate of biogas produced. Therefore, the co-digestion of Elephant and Cow dung in equal proportion can be used to increase yield of biogas.

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