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Production of biogas via anaerobic digestion

E. Uçkun Kiran, K. Stamatelatou, G. Antonopoulou,  and G. Lyberatos     National Technical University of Athens, Athens, Greece

Abstract

Anaerobic digestion (AD) is a biochemical process that converts the organic matter present in various types of wastes (sludge, agro-industrial wastes, energy crops) into: (1) biogas (rich in methane, used for heat and/or electricity generation); (2) biosolids (microorganisms grown on the organic matter and fibers, used as soil conditioner); and (3) liquor (dissolved organic matter, recalcitrant to AD, used as liquid fertilizer). AD has been described as one of the most energy-efficient and environmentally friendly technologies for energy production. It can significantly ...

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