Characterisation of the most representative agricultural and forestry biomasses in France for gasification

Da Silva Perez Denilson, Dupont Capucine, Guillemain Hélène, Jacob Sylvain, Labalette Françoise, Briand Sarah, Marsac Sylvain, Guerrini Olivier, Broust François, Commandre Jean-Michel. 2015. Characterisation of the most representative agricultural and forestry biomasses in France for gasification. Waste and Biomass Valorization, 6 (4) : 515-526.

Quartile : Q4, Sujet : ENVIRONMENTAL SCIENCES

Résumé : An extensive characterization was carried out on various biomass samples representative of the diversity in France, including forestry samples (softwood and hardwood woodchips, eucalyptus and poplar short rotation coppices), very short rotation coppices (VSRC) samples and agricultural samples (wheat straw, triticale, fescue, miscanthus and switchgrass). The following properties were measured to evaluate suitability with thermochemical process: elemental analysis (C, H, O, N, S, and Cl), chemical composition (extractives, lignin, mono/polysaccharides, acetate groups), ash content and inorganic composition. Carbon and hydrogen contents are quite similar between biomasses. Agricultural biomasses are usually less oxygenated than forestry biomasses. Nitrogen content is generally higher for agricultural biomasses (up to 1.4 %) than for forestry biomasses, but important amount is also found in VSRC (0.8 % for poplar). Chlorine and sulfur are species-dependent. Fescue and eucalyptus show high values of Cl, while wheat straw has the highest sulfur content. Ash content is very low for forestry and perennial biomasses (miscanthus and switchgrass). For non-perennial crops, values up to 8.5 % (wheat straw) were measured. Agricultural biomasses contains more silicon (2 % for triticale), magnesium (0.16 % for fescue), potassium (1.9 % for fescue) and phosphorus (0.18 % for fescue), while forestry biomasses are richer in calcium (up to 0.97 % for poplar VSRC). Other inorganic elements, especially heavy metals are present in very low concentrations and most of the time below detection limits. Regarding chemical composition, extractive content is very high (20–25 %) for non-perennial crops (fescue, wheat straw and triticale) and eucalyptus VSRC. Lignin content seems to be higher for forestry biomasses (21–29 %) than for agricultural biomasses (16–23 %). The same trend was observed for cellulose, while the opposite was observed for hemicelluloses. These differences in organic and inorganic composition are expected to significantly impact the behavior of these biomasses in thermochemical processes such as gasification for biofuels production.

Mots-clés Agrovoc : biomasse, déchet agricole, bois, déchet d'exploitation forestière, gazéification, propriété thermique, propriété thermochimique, composition chimique, lignine, hémicellulose, Eucalyptus, Populus, Festuca, carbone, biocarburant

Mots-clés géographiques Agrovoc : France

Mots-clés libres : Biomass, Forestry, Agriculture, Characterization, Gasification

Classification Agris : P06 - Sources d'énergie renouvelable
K50 - Technologie des produits forestiers

Champ stratégique Cirad : Axe 2 (2014-2018) - Valorisation de la biomasse

Auteurs et affiliations

• Da Silva Perez Denilson, Institut technologique forêt, cellulose, bois, ameublement (FRA)
• Dupont Capucine, CEA (FRA)
• Guillemain Hélène, CIRAD-PERSYST-UMR Eco&Sols (FRA)
• Jacob Sylvain, Institut technologique forêt, cellulose, bois, ameublement (FRA)
• Labalette Françoise, GIE ARVALIS/ONIDOL (FRA)
• Briand Sarah, GIE ARVALIS/ONIDOL (FRA)
• Marsac Sylvain, GIE ARVALIS/ONIDOL (FRA)
• Guerrini Olivier, ENGIE (FRA)
• Broust François, CIRAD-PERSYST-UPR BioWooEB (FRA) ORCID: 0000-0003-3132-6495
• Commandre Jean-Michel, CIRAD-PERSYST-UPR BioWooEB (FRA) ORCID: 0000-0001-9094-7879

Source : Cirad-Agritrop (https://agritrop.cirad.fr/576525/)

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