Biogas is flammable, and its components, hydrogen sulphide in particular, can be toxic. Safe operation requires risk assessment, explosion hazard zones and work procedures.
RSSArticles on hazards at biogas plants: Ex zones and the explosion protection document, gas detection, work in confined spaces, over- and under-pressure protection, flares and staff training.
Why too low a liquid level in the digester damages agitators and increases risk to people, and too high a level threatens the membrane and causes overflow. Principles, measurements and requirements for the protection system.
