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- Title
Techno-Economic Efficiency Estimation of Promising Integrated Oxyfuel Gasification Combined-Cycle Power Plants with Carbon Capture.
- Authors
Donskoy, Igor
- Abstract
The study concerns promising coal-fired power plants that can gain an advantage over traditional options in the context of decarbonization. The calculations show that combined-cycle plants with integrated coal gasification and carbon dioxide recirculation may have better technical and economic characteristics compared to existing gasification processes (one- and two-stage). The recirculation of carbon dioxide improves the efficiency of the gasification process (the combustible gases yield and the fuel carbon conversion degree) and reduces the energy costs of the flue gas cleaning and carbon capture unit, thereby improving the economic performance of the plant. The estimates show that the decrease in the efficiency of electricity production associated with the removal of carbon dioxide is approximately 8% for the recirculation of combustion products and 15–16% for traditional processes, and the increase in the cost of electricity is 20–25% versus 35–40%, respectively.
- Subjects
POWER plants; INTEGRATED gasification combined cycle power plants; COAL gasification plants; ENERGY industries; COAL-fired power plants; COMBUSTION products; FLUE gases
- Publication
Clean Technologies, 2023, Vol 5, Issue 1, p215
- ISSN
2571-8797
- Publication type
Article
- DOI
10.3390/cleantechnol5010013