An Evaluation of a Mesophilic, Modified Plug-Flow Anaerobic Digester
July 20, 2005, U.S. Environmental Protection Agency/AgStar
This report summarizes the results from one of a series of AgSTAR studies designed to more fully characterize: 1) the air and water quality improvements provided by anaerobic digesters for managing manure and other wastes in the swine and dairy industries, and 2) the associated costs. READ MORE

Biogas Scrubbing (technologies chart)
A chart depicting many of the various biogas cleaning methods.