METHANE PRODUCTION BY ANAEROBIC DIGESTION FROM CATTLE DUNG AND CHICKEN MANURE UNDER LABORATORY CONDITIONS

El-Sayed, A. S.; Mehana, T. A.; Abdel-Hadi, M. A.; Mustafa, A. M.

doi:10.21608/mjae.2010.104833

METHANE PRODUCTION BY ANAEROBIC DIGESTION FROM CATTLE DUNG AND CHICKEN MANURE UNDER LABORATORY CONDITIONS

Document Type : Original Article

Authors

¹ Prof., Agric. Eng., Agric. Eng. Dept., Fac. of Agric., Suez Canal Univ., Egypt.

² Prof. of Soil Microbiology and Biochemistry, Soil and Water Dept., Fac. of Agric., Suez Canal Univ., Egypt.

³ Associate Prof. of Agric. Eng., Agric. Eng. Dept., Fac. of Agric., Suez Canal Univ., Egypt.

⁴ Demonstrator of Agric. Eng., Agric. Eng. Dept., Fac. of Agric., Suez Canal Univ., Egypt.

10.21608/mjae.2010.104833

Abstract

Laboratory-scale digesters were constructed to investigate the effect of digester shape (horizontal and vertical) and substrate type, cattle dung (CD), chicken manure (CM) as mono-digestion and a mixture of them (50% CD+ 50% CM, w/w) as co-digestion on quantity and quality of biogas produced. The experimental work was carried out at 20±3 ºC (winter season), 29±3 ºC (summer season) and 38±1 ºC (heating treatment) through digestion period of 60 days.
The results showed that, the highest value methane 68.1% (by volume) was obtained from the vertical digester of fed with CD+CM at summer temperature. On the contrary, the lowest value of methane 42.0% was obtained in the horizontal digesters fed with CM alone under heating temperature. The highest value of specific methane production rate of 238 L kg^-1VS added per day was obtained from the horizontal digesters fed with CD+CM at summer temperature, while the lowest rate of 32 L kg^-1VS added per day was observed in the horizontal digesters fed with CM alone under heating temperature.

Main Subjects

Biosystems Engineering

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