Examination of Acacia-Tree Gasification Process Under Varying Operating Parameters

Bodnár, István and Iski, Patrik and Skribanek, Ádám (2018) Examination of Acacia-Tree Gasification Process Under Varying Operating Parameters. Papers on Technical Science, 8. pp. 21-30. ISSN 2601-5773

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Abstract

This paper presents the thermokinetic modeling of the gasification process performed on the acacia-tree under varying operating circumstances and different humidity levels. Gasification does not pro-duce flue gas, but due to imperfect burning, synthesis gas appears which is rich in flammable compo-nents (CO2 and H2). The chemical structure of this gas depends on the components of the fuel and the humidity level, but is also greatly affected by the technological parameters, such as pressure and tem-perature, as well as the air-ratio. The study shows the change of chemical composition, fuel value and the reaction efficiency as a function of varying gasification temperature and pressure. Rising tempera-ture results in improved efficiency, while higher pressure worsens reaction efficiency. However, at higher temperature intervals, the effect of the pressure is neglectable.

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