article · Carbon Capture Science & Technology
Absorption stands out as a mature technique for carbon dioxide capture due to its reliability, adaptable nature, and high processing capacity. Recent progress in this field covers various separation methods and highlights developments in absorption solvents, including aqueous solutions, phase change solvents, and deep eutectic solvents. Evaluating these approaches involves detailed techno-economic assessments, focusing on solvent screening along with financial feasibility indicators such as net present value, rate of return, and payback period. Comparing absorption to other capture methods underlines its operational strengths while identifying key obstacles to broader implementation. Addressing these existing challenges requires practical recommendations to improve process performance, enhance energy efficiency, and guide the effective integration of carbon capture systems within industrial operations.
Rising greenhouse gas emissions drive global climate change, creating an urgent demand for effective carbon reduction strategies. Absorption technology offers a proven route to capture carbon dioxide from high-emission processes. Understanding both solvent performance and the economic factors governing implementation helps industrial operators and planners select scalable, cost-effective methods to lower industrial emissions sustainably.
This work informs industrial facility operators, chemical engineers, and technology developers assessing carbon capture options. By reviewing techno-economic assessment methodologies, investment metrics, and solvent screening, it aids project feasibility planning. Because absorption is a mature capture method, baseline systems are already near-market, though deploying advanced phase change and deep eutectic solvents involves earlier-stage developmental and testing phases.
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Rapid industrial developments and rising population are mounting concerns, leading to increased greenhouse gas (GHG) emissions and resultant climate change. Therefore, to curb such drastic trends, it is necessary to adopt and develop a sustainable environment. Among the most effective ways to lower GHG emissions is carbon capture. Absorption is one of the most mature methods of reducing CO2 due to its high processing capacity, excellent adaptability, and reliability. This study aims to evaluate the most recent advancements in various CO2 capture techniques, with an emphasis on absorption technology. The techno-economic analyses of absorption-based CO2 capture processes were meticulously discussed. These include studies on solvent screening as well as techno-economic analysis methods. Economic estimators such as the payback period, rate of return and net present value are discussed. The research progress in absorption-based capture compared to other separation methods, is elucidated. Advances in the applications of various absorption solvents including aqueous, phase change solvents and deep eutectic solvents are presented. Finally, key recommendations are provided to tackle the challenges for efficient utilization of the absorption technique.
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DOI: 10.1016/j.ccst.2023.100125
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