Hydrogen Concentration in Biogas as an On-Line Control Parameter for the Automated Operation of Anaerobic Digesters

M. Franke, A. Weger & A. Hornung
The increased variety and costs of substrates requires a sufficient digester management to maximize the economic as well as the ecological benefit of anaerobic digestion in the future. To enable a safe and automated operation of digesters, the suitability of the hydrogen content of the biogas as an online available indicator for process evaluation has been investigated. To develop a control system, investigations in batch as well as in continuous mode have been carried out...