Abstract
Anaerobic biodigestion is a process that is carried out in oxygen-free conditions since the microorganisms present in these bioprocesses do not require oxygen to develop, they feed on organic matter and can generate various gaseous components. Throughout the process it is necessary to control various temperatures because each phase of the process has different types of bacteria, each type of bacteria has its optimal processing parameters. The temperature range for psychrophilic bacteria is 50 to 65 °C, while for mesophilic and thermophilic bacteria it is 20 to 40 °C. Methanogenic microorganisms are affected by process conditions, temperature, redox inhibitors, and pH. The characteristic of biogas as renewable energy is undoubtedly a subject that requires constant research so that it can be used both at an industrial and domestic level.
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