Stabilization and gasification of soft-drink manufacturing waste by conventional and two-phase anaerobic digestion

Energy recovery and waste stabilization accomplished simultaneously in the beverage industry by anaerobic digestion are investigated. The applicability and limitation of the conventional high-rate anaerobic digestion process are tested. A rapid-rate waste conversion process, two-phase anaerobic digestion, developed for enhanced net energy production with COD reduction comparable to that obtainable by application of a conventional digestion process is discussed. The high-rate digestion run was developed from a mixed MSW-sludge-biomass-fed inoculum.