Cruz Lamas Giulia, Santanna Chaves Bruno, de Oliveira Rodrigues Pedro Paulo, da Silva Gonzales Thiago, Barbosa Thais, Rousset Patrick, Ghesti Grace F., Silveira Edgar A.. 2023. Effect of torrefaction on steam-enhanced co-gasification of an urban forest and landfill waste blend: H2 production and CO2 emissions mitigation. International Journal of Hydrogen Energy, 48 (70) : 27151-27169.
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Résumé : This study aims to simulate the steam-enhanced co-gasification of hybrid blends (HB) composed of municipal solid waste (MSW) and urban forest waste (UFW), with torrefaction as pretreatment. Experimental (torrefaction), numerical (gasification thermodynamic equilibrium model), and optimization (response surface methodology) techniques evaluated the gasification process to produce (i) hydrogen-rich gas or (ii) enhanced calorific value gas. The torrefaction (225–275 °C), steam-to-biomass (0.4–1.2 S/B) ratio, and HB proportion (0–50% of MSW) influences were investigated to assess H2%, exergy efficiency of H2-production (), lower heating value (LHV), cold gas efficiency (CGE), and CO2%. The hybrid methodology defined the optimal conditions for 600 °C gasification as (i) 0.9 S/B and an HB comprising 31% MSW and 69% torrefied UFW at 275 °C, presenting an of 49%; and (ii) 0.4 S/B and an HB containing 23% MSW and 77% torrefied UFW at 275 °C, showing an LHV of 6126 kJ.Nm−3.
Mots-clés Agrovoc : torréfaction, gazéification, déchet urbain, dépôt des ordures, méthodologie, dioxyde de carbone, hybride, décharge, forêt urbaine, équilibre thermodynamique
Mots-clés libres : Waste-to-hydrogen, Torrefaction, Gasification, Municipal solid waste, Wood biomass, Bio hydrogen
Classification Agris : Q70 - Traitement des déchets agricoles
P06 - Sources d'énergie renouvelable
K50 - Technologie des produits forestiers
Champ stratégique Cirad : CTS 7 (2019-) - Hors champs stratégiques
Agences de financement hors UE : Conselho Nacional de Desenvolvimento Científico e Tecnológico, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Fundação de Apoio à Pesquisa do Distrito Federal
Auteurs et affiliations
- Cruz Lamas Giulia, UNB [Universidade de Brasilia] (BRA) - auteur correspondant
- Santanna Chaves Bruno, Brazilian Forest Service (BRA)
- de Oliveira Rodrigues Pedro Paulo, UNB [Universidade de Brasilia] (BRA)
- da Silva Gonzales Thiago, UNB [Universidade de Brasilia] (BRA)
- Barbosa Thais, UNB [Universidade de Brasilia] (BRA)
- Rousset Patrick, CIRAD-PERSYST-UPR BioWooEB (REU)
- Ghesti Grace F., UNB [Universidade de Brasilia] (BRA)
- Silveira Edgar A., UNB [Universidade de Brasilia] (BRA) - auteur correspondant
Source : Cirad-Agritrop (https://agritrop.cirad.fr/604441/)
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