A Detailed Database of the Chemical Properties and Methane Potential of Biomasses Covering a Large Range of Common Agricultural Biogas Plant Feedstocks

Audrey Lallement, Christine Peyrelasse, Camille Lagnet, Abdellatif Barakat, Blandine Schraauwers, Samuel Maunas and Florian Monlau ()
Additional contact information
Audrey Lallement: APESA, Plateau Technique, Cap Ecologia, Avenue Fréderic Joliot Curie, 64230 Lescar, France
Christine Peyrelasse: APESA, Plateau Technique, Cap Ecologia, Avenue Fréderic Joliot Curie, 64230 Lescar, France
Camille Lagnet: APESA, Plateau Technique, Cap Ecologia, Avenue Fréderic Joliot Curie, 64230 Lescar, France
Abdellatif Barakat: INRAE, UMR IATE, Place Pierre Viala, CEDEX 02, 34060 Montpellier, France
Blandine Schraauwers: APESA, Plateau Technique, Cap Ecologia, Avenue Fréderic Joliot Curie, 64230 Lescar, France
Samuel Maunas: APESA, Plateau Technique, Cap Ecologia, Avenue Fréderic Joliot Curie, 64230 Lescar, France
Florian Monlau: APESA, Plateau Technique, Cap Ecologia, Avenue Fréderic Joliot Curie, 64230 Lescar, France

Waste, 2023, vol. 1, issue 1, 1-33

Abstract: Agricultural biogas plants are increasingly being used in Europe as an alternative source of energy. To optimize the sizing and operation of existing or future biogas plants, a better knowledge of different feedstocks is needed. Our aim is to characterize 132 common agricultural feedstocks in terms of their chemical composition (proteins, fibers, elemental analysis, etc.) and biochemical methane potential shared in five families: agro-industrial products, silage and energy crops, lignocellulosic biomass, manure, and slurries. Among the families investigated, manures and slurries exhibited the highest ash and protein contents (10.3–13.7% DM). High variabilities in C/N were observed among the various families (19.5% DM for slurries and 131.7% DM for lignocellulosic biomass). Methane potentials have been reported to range from 63 Nm 3 CH 4 /t VS (green waste) to 551 Nm3 CH 4 /t VS (duck slurry), with a mean value of 284 Nm 3 CH 4 /t VS. In terms of biodegradability, lower values of 52% and 57% were reported for lignocelluloses biomasses and manures, respectively, due to their high fiber content, especially lignin. By contrast, animal slurries, silage, and energy crops exhibited a higher biodegradability of 70%. This database will be useful for project owners during the pre-study phases and during the operation of future agricultural biogas plants.

Keywords: anaerobic digestion; agricultural inputs; biochemical methane potential; biodegradability; lignocellulosic biomasses; manures (search for similar items in EconPapers)
JEL-codes: Q1 Q16 Q18 Q2 Q20 Q23 Q24 Q25 Q28 Q3 Q31 Q38 Q5 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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