What is anaerobic digestion: fundamentals, phases and applications

Anaerobic digestion is a biological process in which a consortium of microorganisms breaks down organic matter in the absence of oxygen and generates two valuable products: biogas (a methane-rich mixture) and digestate (an organic fertiliser). It happens in four linked phases (hydrolysis, acidogenesis, acetogenesis and methanogenesis) and needs controlled conditions of temperature, pH and nutrients. […]