Oliver, Jason P.Gooch, Curt A.2019-01-142019-01-142016-06https://hdl.handle.net/1813/60798Biogas obtained from anaerobic digestion of livestock manure is a complex mixture containing ~60% methane (CH4) and other less valuable gases. Upgrading the biogas to reduce contaminants and increase the CH4 concentration is advantageous for several reasons.en-USAnaerobic DigestionBiogasOdor ReductionEmissionsfact sheet