تعريف anaerobic digestion في الإنجليزية الإنجليزية القاموس.
Anaerobic digestion (AD) is the natural process of biological degradation of organic material in the absence of air
Anaerobic digestion is a series of processes in which microorganisms break down biodegradable material in the absence of oxygen. It is used for industrial or domestic purposes to manage waste and/or to release energy