Please use this identifier to cite or link to this item: https://doi.org/10.15480/882.2080
Publisher DOI: 10.1016/j.egypro.2013.06.123
Title: Evaluation and comparison of the part load behaviour of the CO2 capture technologies oxyfuel and post-combustion
Language: English
Authors: Roeder, Volker 
Hasenbein, Christoph 
Kather, Alfons 
Keywords: power plant;part load;off-design;Co2 capture;CCS;post-combustion;oxyfuel
Issue Date: 5-Aug-2013
Publisher: Elsevier
Source: Energy Procedia (37): 2420-2431 (2013)
Journal or Series Name: Energy procedia 
Conference: 11th International Conference on Greenhouse Gas Control Technologies, 18-22 November 2012, Kyoto, Japan 
Abstract (english): The rising share of fluctuating renewable energies increasingly demand flexible and part load operation of fossil-fuelled power plants with and without CCS. In this work the part load behaviour of the Oxyfuel and the post-combustion CO2capture processes are evaluated and compared. The net efficiency of the conventional hard-coal-fired power plant decreases from 45.2% at full load to 41.6% at 40% load. The net efficiency with post-combustion CO2capture using 7 m MEA as solvent decreases to 34.7% at full load and 30.2% at 40% load. The Oxyfuel process reaches in turn a net efficiency of 36.6% at full load and 32.3% at 40% load and shows therefore a benefit of 1.9%-points at full load compared to the postcombustion CO2capture with MEA. The efficiency advantage of the Oxyfuel process compared to the post-combustion CO2capture process remains constant at part load.
URI: http://hdl.handle.net/11420/2084
DOI: 10.15480/882.2080
ISSN: 1876-6102
Institute: Energietechnik M-5 
Type: InProceedings (Aufsatz / Paper einer Konferenz etc.)
Funded by: Bundesministerium für Wirtschaft und Energie
Project: DYNCAP (project number 03ET2009A) 
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