Supergas: Biogas Brewed From Dung

Those large orange balloons are a portable biogas system called Supergas by Superflex and Unversity of Tropical Agriculture in Cambodia.

Supergas is designed to produce 4 cubic meter of gas - enough for a day's worth of cooking and to run a gas lamp for one night for one family - from dung of 2 to 3 cattle. The set-up above was made from $50 worth of material - but it seems that until today the system has yet to be commercialized.


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I visited a hospital in rural Cameroon a few years back that had a fairly large cattle operation (yes, on the hospital campus), and they used a biogas collector there as well. The cattle grazed on the hillsides during the day and their nights in a corral with a concrete pad underneath. In the morning all their dung was washed down into the collector bag, which was quite large, and black so as to absorb more solar heat. The biogas that was collected was used to heat water and sterilize instruments in the hospital. Very ingenious.
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When I was a kid I had a vision of a Jetsons' like scenario where people ride a slidewalk into a plexiglass tube so they could fart, and their methane would be captured.

"Excuse me, I have to go to the Fartitorium."
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