Energy, Exergy & Environmental Analysis of a Combined Cycle with Pre-combustion CO2 Capture and N2 Injected into the Compressor of the Gas Turbine

H. Betelmal, Abdurrauf. M. Naas and Mohamed A. Naas
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H. Betelmal: Affiliation: Department of Mechanical Engineering Tripoli University, Faculty of Engineering Tripoli-Libya
Abdurrauf. M. Naas: Affiliation: Department of Mechanical Engineering Tripoli University, Faculty of Engineering Tripoli-Libya
Mohamed A. Naas: Affiliation: Department of Mechanical Engineering Tripoli University, Faculty of Engineering Tripoli-Libya

International Journal of Research and Scientific Innovation, 2024, vol. 11, issue 2, 410-422

Abstract: Power plants are a major source of CO2 emissions in the environment, which cause global warming; due to this issue, CO2 capture from hydrocarbon fuels is one of the key technology options to reduce greenhouse gases. Pre-combustion capture of CO2 in the combined gas and steam turbine cycle has been investigated in this paper. The first step in the pre-combustion method is to react the fuel with oxygen, which comes from the air separation unit and produces a mixture of hydrogen and carbon monoxide. The CO is converted to CO2 in a water-shift reactor, and a physical absorbent removes the CO2; a hydrogen-rich fuel is produced, which can be burnt in a gas turbine with minimal CO2 emissions.

Date: 2024
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