Seattle, Washington, 2010

A modified Solar CITIES digestor 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, courtesy of horticulturist David Selk and Dan Corum a.ka. "Dr. Doo"

Finished building:  Saturday, 16 January, 2010


  • other IBC


  • Community

Functional state: 

  • other

DIY or Commercial: 

  • DIY
This build at Mike Rimoin´s student housing co-op in Seattle, was Solar CITIES 20th biodigester build.