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Optimization of Integrated Gasification Combined-Cycle Power Plant for Polygeneration of Power and Chemicals

Bany Ata, Ammar ; Seufert, Peter Maximilian ; Heinze, Christian ; Alobaid, Falah ; Epple, Bernd (2022):
Optimization of Integrated Gasification Combined-Cycle Power Plant for Polygeneration of Power and Chemicals. (Publisher's Version)
In: Energies, 14 (21), MDPI, e-ISSN 1996-1073,
DOI: 10.26083/tuprints-00021155,
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Item Type: Article
Origin: Secondary publication via sponsored Golden Open Access
Status: Publisher's Version
Title: Optimization of Integrated Gasification Combined-Cycle Power Plant for Polygeneration of Power and Chemicals
Language: English
Abstract:

Efficient and flexible operation is essential for competitiveness in the energy market. However, the CO2 emissions of conventional power plants have become an increasingly significant environmental dilemma. In this study, the optimization of a steam power process of an IGCC was carried out, which improved the overall performance of the plant. CCPP with a subcritical HRSG was modelled using EBSILON Professional. The numerical results of the model were validated by measurements for three different load cases (100, 80, and 60%). The results are in agreement with the measured data, with deviations of less than 5% for each case. Based on the model validation, the model was modified for the use of syngas as feed and the integration of heat into an IGCC process. The integration was optimized with respect to the performance of the CCPP by varying the extraction points, adjusting the steam parameters of the extractions and modifying the steam cycle. For the 100% load case, a steam turbine power achieved increase of +34.2%. Finally, the optimized model was subjected to a sensitivity analysis to investigate the effects of varying the extraction mass flows on the output.

Journal or Publication Title: Energies
Journal volume: 14
Issue Number: 21
Publisher: MDPI
Collation: 24 Seiten
Classification DDC: 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Divisions: 16 Department of Mechanical Engineering > Institut für Energiesysteme und Energietechnik (EST)
Date Deposited: 19 Apr 2022 13:43
Last Modified: 19 Apr 2022 13:43
DOI: 10.26083/tuprints-00021155
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-211551
Additional Information:

Keywords: heat integration; HRSG; polygeneration; simulation; EBSILON; IGCC

URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/21155
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