an anaerobic digester should ...
Published by Ulrich Mende, Project manager
an anaerobic digester should not explode if the presence of oxygen ist kept "low". As a matter of fact oxygen cannot be inside such a reactor. However all ancillary process unit especially those where contact to the environment/oxygen is given mut be protected and well tanken care of. Methane sensors looking after the lower explosion limit are necessry in "rooms"/ buildings. I'm pretty sure there is lots of literature available about how to operate such things