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Thermo-Economic Optimization of a Cogeneration System Fueled by Syngas Produced from Gasification of Palm Biomass


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DOI: https://doi.org/10.15866/ireme.v13i11.18391

Abstract


This study presents the economic and the thematic optimization of a cogeneration system using syngas as fuel from palm biomass gasification. An energetic, exergetic, and thermo-economical model of each one of the components of the system is proposed to study the energetic and exergetic performance of the system. In addition, the unit costs of the products of the system are determined to calculate thermo-economic indicators, and thus to propose a multivariable optimization of the system in order to minimize the costs and to maximize the generated power. The results show that the most significant losses per destroyed exergy are found in the combustion chamber, reaching almost seventy percent of the total operating with Syngas, with higher destroyed exergy costs. The multi-objective optimization has allowed obtaining both the higher energy power and the generation cost. In addition, the compressor inlet air temperature increases, causing a decrease in the energy generated by the cogeneration system using syngas as fuel. It has been verified that when operating with syngas, there is a reduction in energy and exergy efficiency of the system.
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Keywords


Thermo-Economic Assessment; Exergy Analysis; Cogeneration System; Gas Microturbine; Syngas

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References


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