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4. Biogas valorization
Biogas from biomass anaerobic digestion units is mainly composed of methane and carbon dioxide (table 11 ). Some other gases are also formed during the biological transformation of the material: sulfur compounds (H 2 S, mercaptans), ammonia NH 3 , halogen compounds (F, Cl...), organo-silicon compounds (siloxanes)... The biogas produced contains water vapor at saturation but also gases from volatile molecules present in the original substrate. In certain batch processes requiring regular opening of the digesters for their feed, the biogas may also contain N 2 nitrogen. Some of these minority gases will then have an impact...
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Biogas valorization
Digestate recovery
Bibliography
Events
Expo Biogaz, the national exhibition for the biogas industry: http://www.expo-biogaz.com/
Biogaz Europe, the European exhibition : http://www.biogaz-europe.com/
Regulations
Loi n° 2010-788 du 12 juillet 2010 portant engagement national pour l'environnement (version consolidée au 06 février 2017) JO du 13/07/2010 : JORFTEXT000022470434.
Standards
- Soil improvers and growing media – Determination of organic matter and ash - AFNOR. NF EN 13039 - Décembre 2011
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Ametyst methanization unit http://www.montpellier3m.fr/equipement/unit%C3%A9-de-m%C3%A9thanisation-am%C3%A9tyst
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