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Revista ION
versión impresa ISSN 0120-100X
Resumen
SUAREZ HERNANDEZ, Laura; PEREZ BAYER, Juan F. y BARRERA ZAPATA, Rolando. Wood gasification to obtain a syngas useful for biofuels and/or chemicals production. Rev. ion [online]. 2017, vol.30, n.1, pp.57-71. ISSN 0120-100X. https://doi.org/10.18273/revion.v30n1-2017005.
A model to simulate the entrained flow gasification process to produce a syngas useful in the synthesis of liquid biofuels and/or chemicals was developed. The model is simulated in Aspen Plus and includes the stages of: pretreatment and conditioning of biomass (drying, torrefaction and grinding), entrained flow gasification, cleaning and conditioning of syngas produced, adjustment of H2/CO relation, and an Air Separation Unit (ASU) for oxygen production as gasifying agent. The model validation was performed from experimental data reported in the literature, by analyzing the relative errors for the interest variables: H2/CO, lower heating value and cold gas efficiency, founding errors of 7.8%, 11.8% and 8.8% respectively. Additionally, the sensibility of the model to predict the effect of process variables as torrefaction temperature and equivalence ratio on response variables, showed similar tendencies to those found in the literature. Thus the model is considered a useful computational tool for sensitivity analysis of entrained flow gasification of biomass to produce liquid biofuels and/or chemicals.
Palabras clave : entrained flow gasification; Aspen Plus; liquid biofuels; biomass; syngas.