An Utkal model fixed dome biogas plant, using ferro-cement technology was found to be superior than the existing models of bio-gas plants like K.V.I.C. Janata, and Deenabandhu in terms of easiness, time and cost of construction. Cost of construction of Utkal model biogas were 59. 16, 53.29 and 26.41lower than the K.V.I.C., Janata and Deenabandhu model biogas plant, respectively.
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