- Title
- Techno-economic evaluation of amine-reclamation technologies and combined CO2/SO2 capture for Australian coal-fired plants
- Creator
- Garg, Bharti; Haque, Nawshad; Cousins, Ashleigh; Pearson, Pauline; Verheyen, Vincent; Feron, Paul
- Date
- 2020
- Type
- Text; Journal article
- Identifier
- http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/172688
- Identifier
- vital:14545
- Identifier
-
https://doi.org/10.1016/j.ijggc.2020.103065
- Identifier
- ISBN:1750-5836 (ISSN)
- Abstract
- CSIRO's patented CS-Cap process aims at reducing the costs of amine-based post-combustion capture by combining SO2 and CO2 capture using one absorbent in a single absorber column. By avoiding the need for a separate flue gas desulfurization unit, the process offers potential savings for power plants requiring CO2 capture. High-level cost estimates based on lab and pilot data are presented for two amine reclamation techniques i.e. thermal reclamation and reactive crystallisation. Only regeneration via reactive crystallisation reduces CS-Cap costs below base case FGD/SCR-PCC. Cost estimations suggest a potential reduction of 38–44% in the total plant cost when using the CS-Cap process compared to base case. However, the amine reclaimer operating cost governs the overall cost of the CS-Cap process and is highly sensitive to sulfur content. A 50% reduction is observed when SO2 levels reduce from 700 to 200 ppm. Comparing levelised cost of electricity and CO2 avoided costs for CS-Cap against our base case, low sulfur brown coal has a slight (5–7%) cost advantage; however, confirmation requires pilot data on amine recovery. © 2020
- Publisher
- Elsevier Ltd
- Relation
- International Journal of Greenhouse Gas Control Vol. 98, no. (2020), p.
- Rights
- Copyright © 2020 Published by Elsevier Ltd.
- Rights
- This metadata is freely available under a CCO license
- Rights
- Open Access
- Subject
- 04 Earth Sciences; 05 Environmental Sciences; 09 Engineering; Aspen Plus Economic Analyser; Cost estimation; CS-Cap; Reactive crystallisation; Thermal reclamation; Total plant cost
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