Özet:

Anaerobic digestion (AD) is an innovative and sustainable technology that has the potential to convert organic wastes into bioenergy, while providing solutions to the energy crisis and waste disposal problem, also providing environmental pollution control. Today, food waste treated with traditional disposal methods creates a serious environmental problem and cost. Although food waste is an ideal substrate for biogas production, its complex chemical structure and heterogeneity make biotransformation difficult in the AD process, and due to the technical problems it creates in the process, it does not allow it to be fully implemented in food waste management yet. The necessity of developing the basic biological and physicochemical processes of food wastes in the AD process is of vital importance both for the sustainable use of these wastes in this method and for the development of the process. In this study, the place of food waste among biomass sources was pointed out and the quantity, composition, and methane potential of this waste were discussed. The efficiency of one- and two-stage AD processes in the presence of food waste was compared in the presence of different strategies including co-digestion, the addition of micronutrients, control of foaming, and process design.

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