Integrated biological treatment and biogas production in a small-scale slaughterhouse in rural Ghana

A small-scale anaerobic slaughter waste treatment plant in rural Ghana was tested for the production of energy and a microbiologically clean effluent suitable for use in irrigation. A typical day's slaughter, comprising 4 cattle, 12 sheep, and 12 goats, produced 8.5 m3 of biogas. Annually, this...

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Veröffentlicht in:Water environment research : a research publication of the Water Environment Federation. - 1998. - 78(2006), 12 vom: 11. Nov., Seite 2335-9
1. Verfasser: Aklaku, E D (VerfasserIn)
Weitere Verfasser: Jones, K, Obiri-Danso, K
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Water environment research : a research publication of the Water Environment Federation
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Fertilizers Nitrates Phosphates Water Pollutants Carbon Dioxide 142M471B3J Methane OP0UW79H66
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520 |a A small-scale anaerobic slaughter waste treatment plant in rural Ghana was tested for the production of energy and a microbiologically clean effluent suitable for use in irrigation. A typical day's slaughter, comprising 4 cattle, 12 sheep, and 12 goats, produced 8.5 m3 of biogas. Annually, this is equivalent to the energy from 17 metric tons of fuel wood, which is the annual productivity of 2 ha of savanna vegetation. Fecal indicator bacteria were reduced by 2 to 3 logs, nitrates by 86 to 90%, phosphates by 23%, biochemical oxygen demand by 42 to 92%, and suspended solids and dissolved solids by 73 to 86% and 19 to 37%, respectively. The effluent is used for irrigation, and the organic biomass from the digester is used as a biofertilizer. Besides energy and a cleaner effluent, the community benefited from a lessening dependency on fuel wood and reductions in unpleasant smells and nuisance animals, such as flies, dogs, and vultures 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Obiri-Danso, K  |e verfasserin  |4 aut 
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