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How much is the cost of constructing a biogas digester?

How much is the cost of constructing a biogas digester?

Answer:

Here's a materials list from a website on biogas digestorsThe cost of materials would be less than $250 for everything except for the used tires (I'm not sure where you'd get them) STEPS TO INSTALL A BIODIGESTER FOR A RURAL FAMILY Step 1: Materials The recommended biodigester length for a small family is 10 metersTo install a biogas plant of this size, the materials listed below are needed: 28 meters of natural polyethylene plastic, 1000 gauges, 1.5 meters width8 used buckets (~20 L) of the same size or 2 cement pipes, 1 meter length, 12 inches in diameter 1 PVC screw (male adapter),1 inch in diameter 1 PVC cap (female adapter) 1 inch in diameter 2 meters of transparent plastic hose of 1 ¼ inches in diameter 1 PVC T, 1 inch in diameter2 - 90º PVC elbows, 1 inch in diameter 1 meter of pressure PVC pipe, 1 inch in diameter 1 flat PVC cap ,1 inch in diameter 2 round plastic or aluminum disks (20-15 centimeters in diameter with a central hole of 1 inch) 1 transparent plastic bottle - 1 gallon of capacity 3 used tires automobile tubes (rubber belts) 8 used plastic fertilizer sacks 1 galvanized metallic pipe, ½ inch in diameter 50 centimeters length 1 tube of PVC glue 1 steel wool An automobile or motorcycle as source of exhaust 1 plastic hose to take exhaust from the car to the place where the biodigester will be installed

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