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Innovative Small Size Plant for the Production of Biogas and Electric Energy from Biomass

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Document pages: 19 pages

Abstract: The interest for Renewable Energy Sources (RES) has strongly increased due to the need to reduce the greenhouse gas (GHG) emissions, as indicated, in particular, by the renewable energy directive 2018 2001 EU and to reuse organic waste and by-products that would otherwise have to be disposed of in an expensive way. The present article relates to a method and to a device to decompose a biomass matrix and to selectively extract methane, carbon dioxide, NPK (nitrogen, phosphorus and potassium) salts and clarified water. This method and device is the subject of an Italian and European patent registered by Stefano Farné and Vito Lavanga under the name of MBGC (Mini BioGas Continuous). The MBGC can be applied to the production of biomethane (for thermal and electrical purposes), of organic (protein and oleic) substances, of NPK salts, that can be used in the production of biofuels, fertilizing mixtures for various industrial sectors (livestock farms, chemical, etc.), of hydrogen, as present in solution in the liquid phase and of carbon dioxide for agronomic industries, metallurgical industries, fire services, agro-food etc. It has been analysed a meaningful literature on the subject of biogas production plants, with specific focus to those of small size and subsequently the MBGC plant is described in detail from the point of view of both plant engineering and its operation.

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