Abstract

Abstract A novel polygeneration system for olefin and power production from natural gas is proposed. Technological-economical evaluation is based on the internal rate of return (IRR) and exergy efficiency analysis. The proposed polygeneration system for simultaneous production of ethylene and propylene and electricity is energy integrated and thus more thermodynamically efficient and economically viable. IRR and exergy efficiency of the proposed polygeneration system are higher than that of GSMTO system 18.9% and 49.9%, respectively. The biggest exergy destruction segments and possible measures for improvement are investigated through simulation and thermodynamic analysis.

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