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versión On-line ISSN 0718-0764
MENDOZA, Jorge M; BULA, Antonio J; GOMEZ, Rafael D y CORREDOR, Lesmes A. Exergy Analysis of Biomass Gasification. Inf. tecnol. [online]. 2012, vol.23, n.5, pp.85-96. ISSN 0718-0764. http://dx.doi.org/10.4067/S0718-07642012000500009.
This paper shows the exergy analysis applied to the gasification process of residual biomass with the purpose of obtaining useful energy. A model for the biomass gasification based on chemical equilibrium of the reactions is proposed. The model allows predicting the syngas composition as a function of temperature, pressure and ultimate analysis of palm oil and grapevine pruning waste (determining hydrogen, oxygen, carbon and nitrogen). It was found that the carbon monoxide and hydrogen concentration significantly increase at high pressure and temperature independently of the gasifying agent. Furthermore, it was also noticed that the exergy efficiency increases as temperature increases, and decreases as the relative fuel/air ratio increases.
Palabras clave : biomass; gasification; chemical equilibrium; exergy.