1. 1980-01-01 A biogas digester is the apparatus used to control anaerobic decomposition. In general, it consists of a sealed tank or pit that holds the organic material, and some means to collect the gases that are produced. Many different shapes and styles of biogas plants have been experimented with:...
  2. 1980-01-01 This Volunteers in Technical Assistance booklet is a manual on how to construct a 3 cubic meter biogas plant. It is intended for use in international development projects. 53 pages, illustrated