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Table 1 Annual bio-waste production and its available potential for a village energy system

From: Alternative energy supply system to a rural village in Ethiopia

Feedstock Resources of the village Annual yield Produced bio-wastes (t) Availability coefficients Available bio-waste(t)
Cows dung 100 cows 0.7 t/cow 73 0.4 30
Human feces 150 persons 0.05 t/capita 7.5 0.8 6
Human urine 150 persons 0.5 m3/capita 75 m3 0.8 60 m3 (3 t)
Crop residues 23 ha 3 t/ha 69 0.3 22
Total   61
  1. 1 m3of urine = 1 t corresponding to 50 kg of dry biomass (5%)