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DC Field | Value | Language |
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dc.contributor.author | Akula, P. T. | - |
dc.contributor.author | Eslick, J. | - |
dc.contributor.author | Bhattacharyya, D. | - |
dc.contributor.author | Miller, D. C. | - |
dc.date.accessioned | 2021-07-17T20:20:51Z | - |
dc.date.available | 2021-07-17T20:20:51Z | - |
dc.date.issued | 2021-03-31 | - |
dc.identifier.citation | Ind. Eng. Chem. Res. 2021, 60, 14, 5176–5193 | en_US |
dc.identifier.uri | https://doi.org/10.1021/acs.iecr.0c05035 | - |
dc.identifier.uri | http://repository.futminna.edu.ng:8080/jspui/handle/123456789/10300 | - |
dc.description.abstract | Existing power plants are frequently load-following due to increasing penetration of the renewables into the grid. For power plants integrated with CO2 capture, optimal operation of the capture unit at part-load and variable capture conditions can be exploited to reduce the operating costs. This paper presents insights into the performance of a reference monoethanolamine (MEA)-based post-combustion CO2 capture unit under steady-state part-load and variable capture operations. A rigorous plant-wide model for the capture unit is developed in the Institute for Design of Advanced Energy Systems computational platform. The contactor model is validated with the data from a wetted wall column (WWC) and two pilot plants. The plant-wide model is used for steady-state optimization under part-load operations and variable capture rates using flue gas similar to pulverized coal and natural gas-combined cycle power plants. Analysis on the performance of the reference rich/lean amine heat exchanger shows that the hot-end temperature approach can considerably vary under part-load operations for a given heat exchanger area. The study shows that if the plant is not optimally operated under part-load and variable capture operations, there can be a high penalty depending on the deviation of the liquid/gas flowrate with respect to its optimal value. This study shows that the optimal operation of an existing capture unit is crucial for minimizing the energy penalty under part-load and variable capture operations. | en_US |
dc.language.iso | en | en_US |
dc.publisher | American Chemical Society | en_US |
dc.subject | Thermodynamic modelling | en_US |
dc.subject | Absorption | en_US |
dc.subject | Optimization | en_US |
dc.subject | Solvents | en_US |
dc.subject | Manufacturing | en_US |
dc.title | Model Development, Validation, and Optimization of an MEA-Based Post-Combustion CO2 Capture Process under Part-Load and Variable Capture Operations | en_US |
Appears in Collections: | Chemical Engineering |
Files in This Item:
File | Description | Size | Format | |
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paper_Model Development, Validation, and Optimization of an MEA-Based Post-Combustion CO2 Capture Process under Part-Load and Variable Capture Operation.pdf | Model Development, Validation, and Optimization of an MEA-Based Post-Combustion CO2 Capture Process under Part-Load and Variable Capture Operations | 4.34 MB | Adobe PDF | View/Open |
ie0c05035_si_001.pdf | Supporting Information | 843.45 kB | Adobe PDF | View/Open |
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