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Storage and pre-treatments for biomass, waste and residues before anaerobic digestion - State of the art and recommendations

Summary

By producing renewable energy (biogas) and organic fertiliser (digestate), anaerobic digestion is a mature and relevant solution for contributing to the energy transition and the local circular economy.

As part of the development of this sector, it is essential to take into account the issues involved in introducing materials into the digestion process and maximising the methanogenic potential of the inputs, to ensure the technical and economic feasibility of any anaerobic digestion project. Input storage and pre-treatment technologies are interesting levers for optimising plant performance. A wide range of technologies and equipment exists today, whether they benefit from extensive experience feedback or are still being developed. In order to provide industry players with up-to-date information on these technologies, RECORD is offering a comprehensive review of the state of the art in this field.

This study, based on bibliographical research and feedback from the field, summarises all the data currently available on the pre-treatment and storage of different types of input. The result is a detailed report and an operational guide with summary sheets for each input and technology.

Keywords: Pré-traitement, méthanisation, stockage, broyage, sonication, cavitation, hydrolyse, biomasse agricole, boues urbaines, biodéchets, biogaz, potentiel méthanogène, Pre-treatment, anaerobic digestion, storage, shredding, sonication, cavitation, hydrolysis, agricultural biomass, urban sludge, biowaste, biogas, methanogenic potential
/en/resources/257-anaerobic-digestion-storage-and-pre-treatments-of-inputs.htm

Publication date: September 2022

Achievement: SOLAGRO, APESA, INRAE-LBE

Reference: RECORD, Stockage et prétraitements des intrants avant alimentation de digesteurs de méthanisation - Etat des connaissances et recommandations, 2022, 151 p, n°20-0420/1A


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