Our 20th Biodigester Build

Our 20th Biodigester Build

January 16, 2010 A modified Solar CITIES digester using HDPE reactor with solar heat exchanger as reactor and 55 gallon drum telescoping gas collectors. Starter material is elephant dung and manure from 27 other species of animal from the Woodland Park Zoo in Seattle...
Experiments with IBCs at Sekem Farm

Experiments with IBCs at Sekem Farm

May 12, 2009 At the Sekem Farm and Science School outside of Cairo, Egypt Thomas Culhane, Hanna Fathy and Solar CITIES intern Mike Rimoin deployed their invention of the open-source solar heated three IBC Solar CITIES biodigester. This is perhaps the first use of...