Post-Combustion CO₂ Capture: Barriers and Pathways for CCS Deployment
Abstract
Through the systematic analysis and study of existing literature, this paper examines the main difficulties faced by carbon capture and sequestration (CCS) in the wider application of post-combustion chemical absorption. Through the findings of the review, studies have shown that the high cost of CO 2 capture of $60-150 per ton of CO 2 and the low price of carbon of $5-10 per ton of CO 2 together constitute major economic obstacles to large-scale use. In addition, this challenge is closely related to many problems repeatedly reported in the literature, including high energy consumption, limited economies of scale effects, solvent degradation, corrosion after long equipment time, and insufficient policy support. Existing research generally believes that these obstacles are interrelated, and it is difficult to really solve a single problem to achieve a wide range of commercial applications. Overall, the literature shows that further progress will depend on the coordinated advancement of technological innovation, carbon pricing mechanisms and policy support, among which an effective carbon pricing system is widely regarded as one of the key factors in facilitating the large-scale deployment of CCS.
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