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Hosseinifard, Farzin; Hosseinpour, Milad; Salimi, Mohsen; Amidpour, Majid
Heliyon, 08/2024, Volume: 10, Issue: 15Journal Article
The solvent regeneration in the post-combustion carbon capture process usually relies on steam from the power plant steam cycle. This heat duty is one of the challenges of energy consumption in PCC (Post-combustion Carbon Capture). However, this practice results in a significant energy penalty, leading to a substantial reduction in the capacity of the Power Plant, estimated to be between 19.5 and 40 %. This paper investigate the techno-economic feasibility of a solar-assisted regeneration process for the PCC industrial scale with diglycolamine solvent. The study aims to assess the impact of system configuration modifications, such as LVC (Lean Vapor Compression), SPCC (Solar Post-combustion Carbon Capture), and combinations of trough or compound solar collectors with LVC, on energy efficiency and overall plant performance. With 3E analysis for SPCC configuration results show that this configuration. However, reducing energy consumption and energy penalty factor, exhibits a decrease in exergy and exergoeconomic efficiency compared to the other configurations in terms of exergy and exergoeconomic aspects. However, the LVC + SCSS (Solar Combined Separator-Stripper) configuration demonstrates the best performance across the 3E aspects, resulting in a reduction energy penalty to 12.2 % and improvements of 38 % and 4.2 % in exergy and exergoeconomic factors, respectively. Display omitted •Aspen HYSYS v11, empowered by Python, simulates various PCC configurations.•Solar thermal powering PCC yields higher carbon emission reduction.•Compound parabolic collectors outperform parabolic troughs in 3E analysis.•Solar integration boosts plant exergy efficiency by 38 %.•Applying LVC + SCSS results in a 9 % energy penalty and a 4.2 % exergoeconomic factor.
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