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Assessment of environmental impacts of tar releases from a biomass gasifier power plant for decentralized electricity generation

Chidikofan Grâce Floriane, Benoist Anthony, Sawadogo M., Volle Ghislaine, Valette Jérémy, Coulibaly Y., Pailhes J., Pinta François. 2017. Assessment of environmental impacts of tar releases from a biomass gasifier power plant for decentralized electricity generation. In : International Conference on Advances on Clean Energy Research (ICACER 2017). Cui Wenzhi (ed.), Rusu Eugen (ed.). Amsterdam : Elsevier, pp. 158-163. (Energy Procedia, 118) International Conference on Advances on Clean Energy Research (ICACER 2017). 2, Berlin, Allemagne, 7 April 2017/9 April 2017.

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Abstract : Biomass gasification systems may be relevant for decentralized power generation from recoverable agricultural and wood residues available in rural areas. Although they have many positive effects, these systems can also affect environment and human health. Indeed, during the process of biomass gasification, tars are produced and generally discharged in the local environment. This work deals with the analysis of the environmental impacts of a biomass gasifier power plant project. It compares the impacts of tar releases from the conversion of two biomasses: cotton stalks and rice husks, and that of two disposal modes (into water or on soil). The gate-to-gate environmental impacts are assessed through Life Cycle Assessment (LCA) approach. The results of this study indicate that the environmental impacts of electricity production from cotton stalks are higher than that of from rice husks. Results also show that the impact levels are high when tars are dumped into water comparatively to their discharge on soil. For environmental research, these results represent a significant step of a global environmental assessment of the studied systems.

Mots-clés Agrovoc : Bois, Biomasse, Gazéification, Déchet agricole, Déchet de bois, Déchet d'exploitation forestière, Utilisation des déchets, Impact sur l'environnement, Énergie électrique, Résidu, Pollution

Mots-clés complémentaires : Goudron

Classification Agris : P06 - Renewable energy resources
K50 - Processing of forest products
T01 - Pollution

Auteurs et affiliations

  • Chidikofan Grâce Floriane, CIRAD-PERSYST-UPR BioWooEB (FRA) - auteur correspondant
  • Benoist Anthony, CIRAD-PERSYST-UPR BioWooEB (FRA)
  • Sawadogo M., 2IE (BFA)
  • Volle Ghislaine, CIRAD-DRS-VALO (FRA)
  • Valette Jérémy, CIRAD-PERSYST-UPR BioWooEB (FRA)
  • Coulibaly Y., 2IE (BFA)
  • Pailhes J., ENSAM [Ecole nationale supérieure des arts et métiers] (FRA)
  • Pinta François, CIRAD-PERSYST-UPR BioWooEB (FRA) ORCID: 0000-0002-8302-5574

Source : Cirad-Agritrop (https://agritrop.cirad.fr/587358/)

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