Selection of optimal anaerobic digestion technology for family sized farm use - case study of southwest Madagascar
2011
Haladova, D., Ceska Zemedelska Univ., Prague (Czech Republic). Inst. Tropu a Subtropu | Cundr, O., Ceska Zemedelska Univ., Prague (Czech Republic). Katedra Elektrotechniky a Automatizace | Pecen, J., Ceska Zemedelska Univ., Prague (Czech Republic). Inst. Tropu a Subtropu
The aim of this work was to evaluate local conditions in Madagascar and their effects on anaerobic digestion process in order to select a suitable technology and design for small-farm biogas production. Climatic conditions, input feedstock properties as well as limitations and possibilities of commonly used designs for anaerobic digestion (AD) are discussed. Mesophile conditions in digester, co-digestion of zebu dung with weed plants and agriculture residues and production of 1 cubic m of biogas per day were found as optimal regarding local specifications. Common technologies used in developing countries are considered as inapplicable because of their need of large amount of water for wet type of AD. Dry batch technology is recommended as suitable for the area in southwest Madagascar.
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