Renewable Energy Development in Africa

Proceedings of the African Energy Programme Conference, 25–29 March 1985, Mauritius, Volume 2

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Changing Mode of Feeding for Improving the KVIC Digester

The performance of batch biogas digester systems has been shown to improve substantially by innoculating fresh cow dung with 14-40 day old starter material. Experiments are reported here to investigate whether similar improvements can be achieved by allowing mixing of spent slurry and fresh material in continuous/semi continuous digester systems. A traditional KVIC digester and an improved design without a partition wall and incorporating a better stirring device are compared.


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