Επισκόπηση παραγωγής βιοαερίου στην Ελλάδα.
Overview of biogas production in Greece

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Βιοαέριο ; Βιομεθάνιο ; Μονάδες παραγωγής βιοαερίου ; Αναβάθμιση βιοαερίουAbstract
This thesis focuses on the production and utilization of biogas in Greece, emphasizing technological processes existing infrastructure, and future prospects. Biogas is a renewable form of energy produced through the anaerobic digestion of organic waste and by-products, with methane as its main component. The process involves four key stages – hydrolysis, acidogenesis, acetogenesis, and methanogenesis – which are influenced by factors such as temperature, pH, substrate composition, and the presence of toxic compounds.
The study examines the current status of biogas production units in Greece, technological developments, and the challenges hindering their further expansion. Moreover, it presents the available upgrading technologies for converting biogas into biomethane, which can be injected into the natural gas grid or used as fuel in transportation.
A comparative analysis with other European countries highlights Greece’s lag in the sector, as well as its potential to leverage agricultural and industrial resources. The rational management of bio-waste and the enhancement of energy recovery through biogas can significantly contribute to the energy transition, within the framework of circular economy principles and sustainability targets.