R. Aburas, M. Hammad & I. Abu-Reesh,Jordan Electricity Authority, Amman, Jordan & S. E. Hiary & S. Qousous University of Jordan, POB 13240, Amman 11942, Jordan. (Received 24 October 1994,revised version received 23 February 1995; accepted 4 April 1995): This paper discusses the design, construction and operation of a low-cost, small, farm-scale digester in which cattle wastes were used. The biogas produced contained about 65% CH4 by volume. Production quantities and qualities were measured for a period of more than six months, both in summer and in winter. Biogas as used in two different systems: an instant, gas water-heater used to generate hot water for farm use, and a modified piston engine driving an electrical generator of one phase, I kW output, fuelled directed by the gas. Operation of both systems was satisfactory. The unit is being used to demonstrate the technology for potential users (mostly farm owners). Key words: Biogas, farms, energy, fermentation, water heater, electrical generation. Ref: No. 2
R. ABURAS, M. A. HAMMAD, S. E. HIARY’, S. QOUSOUS’and I. ABU-REESH’, Jordan Electricity Authority and University of Jordan, P.O. Box 13240, Amman 11942, Jordan (Received 24 October 1994; received for publication 4 July 1995): This work discusses the design, construction and operation of a low cost farm scale digester in which animal wastes were used. The biogas produced contains about 65% CH, by volume. Production, quantities and qualities were measured for a period of more than six months, both in summer and in winter. Biogas was used in two different systems: an instant gas water heater was used to generate hot water for farm use, and a modified...
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