Stand der Technik österreichischer Biogasanlagen

Improved general legal framework has resulted in a steep rise in the number of biogas plants in Austria. Simultaneously, energy crops are increasingly being used for anaerobic fermentation. Through modifying technology for the new materials being digested, a "new generation" of biogas plants is arising, which place special requirements on substrate feeding and fermenter mixing. 40 Austrian farm-based biogas plants were investigated regarding technology, process parameters, factors for economic efficiency, as well as possibilities for system optimisation.