putting human waste into productive use is considered to be part of its effective management. While the increasing demand for fuelwood, leading to deforestation, is getting serious in Africa, the technology of generating biogas from night soil along with animal wastes as an alternative household fuel appears to be most promising. In this regard, there is a need to integrate advanced Asian biogas technology into African practices of living and farming. The present study is firstly based on a literature survey to review and evaluate the various Asian biogas models so as to identify the technology most suitable to African countries while taking into consideration local materials and skills available. In applying the biogas technology, cost of construction appears to be the most important concern and emphasis is given to the development of a system which is not only technically sound but also cost-saving. Social factors are also important for further spreading of the technology, and these are analysed as to the sequence required for successful implementation.
Night Soil for Biogas – from Asia to Africa
I. Kyu, G. Muturi; Night Soil for Biogas – from Asia to Africa. Water Sci Technol 1 July 1986; 18 (7-8): 147–155. doi: https://doi.org/10.2166/wst.1986.0285
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