Gober gas

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Manure is in regular supply

The manure is mixed with water and directed through a drain

Airtight circular cylinder, which moves up and down depending upon the collection of gas

The gas is collected in a pipe and then directed to varied uses like lighting, cooking etc

Gober gas is a biogas generated out of cow dung. In India, gober gas is generated through the use of micro plants (an estimated more than 2 million) attached to households. The gober gas plant is basically an airtight circular pit made of concrete with a pipe connection. The manure is directed to the pit (usually directed from the cattle shed). The pit is then filled with a required quantity of water (usually waste water). The gas pipe is connected to the kitchen fire place through control valves. The flammable methane gas generated out of this is practically odorless and smokeless. The residue left after the extraction of the gas is used as biofertiliser. Owing to its simplicity in implementation and use of cheap raw materials in the villages, it is often quoted as one of the most environmentally sound energy source for the rural needs.