Biogas production drop: the 7 most likely causes and a diagnostic tree
When biogas production drops, the question is not what happened, but in what order to look. Almost all drops come down to seven causes, and most can be told apart with data the plant already has. The first three (an uncharacterised diet change, real-versus-nominal OLR overload and free NH₃ inhibition) explain most cases. The next […]