April 12, 2015

This is the second Solar CITIES Puxin Biodigester built in Pennsylvania. This one is a 6m3 system that will act as the predigester for Keppy Arnoldsen’s own unique digester design. A notable lack of nuts and bolts in critical joint areas led to the outer mold wall bursting under the pressure of the truck-poured concrete, but the team recovered and repaired the damage with no real harm done.


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