Abstract
SYNOPSIS Energy demand in rural areas of developing countries has driven researchers towards harnessing energy sources available to them. One of those recognised sources available in rural areas is waste organic materials. This paper examines the continous process method of biogas production from poultry wastes at various conditions under anaerobic digestion. Biogas technology enables rural dwellers to obtain cheap, high-grade fuel as well as organic fertiliser through the resources available to them locally. A biogas programme helps to solve environmental problems arising from the disposal of organic waste materials. The treatment of sewage protects water supply. Biogas technology helps to conserve foreign exchange for energy importing countries. The test results show that gas production rates were higher at controlled elevated temperature compared to the production rates at ambient conditions. It indicates that bacteria are more active at high temperatures. The digested effluent sludge is a high quality organic fertiliser, which is richer than inorganic manure, and it fixes well in the soil.
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