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- Title
Performance of industrially implemented turbulent contact absorbers – A comparative study.
- Authors
Ilea, Flavia-Maria; Cormos, Ana-Maria; Dragan, Simion; Sandu, Vlad-Cristian; Cormos, Calin-Cristian
- Abstract
The current study aims to assess the performance and industrial feasibility of using three-phase fluidized bed absorption columns for post-combustion carbon dioxide (CO 2) capture. The analysis is based on a mathematical model of a scaled-up fluidized bed absorption column that has been validated using pilot plant experimental data. The focus is on evaluating the energy efficiency of the fluidized bed column in comparison to packed bed technologies, which are currently widely used. The results of the analysis are evaluated in terms of three performance indicators (i.e., absorption efficiency, carbon capture rate, and energy performance index) and compared to packed bed columns. Simulation results indicate that the best column configuration is represented by a three-stage absorber and that the system performs optimally when particle diameter and density decrease with each section. Consequently, this leads to an increase in the total fluidized bed height and carbon capture rate by up to 25%. The energy performance index is maintained below 3.6, indicating an energy-efficient operation of the system. As such, the findings of this study suggest that the use of gas-solid-liquid three-phase fluidized bed absorption columns for post-combustion CO 2 capture is a promising technology for the implementation of CCUS and for achieving of climate neutrality targets. [Display omitted] • Mathematical modeling through experimental assessment. • Consideration of a three phase, gas-solid-liquid, fluidized bed absorber for carbon capture. • Integration of gas-solid-liquid fluidized bed absorber in a full-scale carbon capture plant. • Performance analysis of three phase absorption in terms of energy and carbon capture efficiency. • Comparison of the obtained performance with the one obtained using regular packed bed absorbers.
- Subjects
FLUIDIZED-bed combustion; CARBON sequestration; PACKED towers (Chemical engineering); PILOT plants; COMPARATIVE studies; ENERGY consumption
- Publication
Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers Part A, 2024, Vol 203, p346
- ISSN
0263-8762
- Publication type
Article
- DOI
10.1016/j.cherd.2024.01.050