Sunday, February 21, 2010

20th Biogas system in Seattle

Now in Seattle building our 20th biogas system with Mike Rimoin, this one using the Solar CITIES HDPE tank as digestor but trying out a simple telescoping system for gas collection (much as we had planned for system 3 at Sekem farm in Egypt) and a solar heat exchanger to keep temperatures up in the tank.

February 21 at 8:31am

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