Design of Plywood Biogas Digester

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In a biogas installation, green power is produced from manure and biomass. Because of the optimization and innovation of the biogas industry and the continuously rising energy prices, it is become very interesting to invest in biogas installations. The generated electricity can be sold to energy companies at attractive tariffs for sustainable electricity. The quantity of electricity generated can be guaranteed, making biogas installations attractive investments. For such biogas installation, the digester of the biogas is considered as the main component of the process. Biogas digesters are usually made from steel, concrete, plastics etc, which have a problem of either cost, environmental effect or maintenance problems. To have a sustainable production of biogas, the digester material is required to be renewable. Here it is designed from an engineered wood product, plywood, which insures a more sustainable production and relatively lower cost with acceptable maintenance. The mechanical design of the plywood digester including assembly and installation is done. It is possible to directly integrate the new digester with the mature technology of double membrane biogas holder.