Title: Assessment of CO2 Capture Technologies in Cement Manufacturing Process
Citation: JOURNAL OF CLEANER PRODUCTION vol. 32 p. 251-261
Publication Year: 2012
JRC N°: JRC66032
ISSN: 0959-6526
URI: www.elsevier.com/ locate/jclepro
DOI: 10.1016/j.jclepro.2012.03.013
Type: Articles in periodicals and books
Abstract: In this paper, a quantitative analysis and comparison of CO2 capture technologies which could be applied to the cement manufacturing process is performed. Process concepts already used by other industries and currently explored by the power sector, post combustion absorptive capture and oxy-combustion options and the novel calcium looping post combustion capture technology, are compared, in terms of energy efficiency, CO2 footprint, CO2 capture efficiency, raw material consumption and product quality. This has been achieved through the modelling of the integration of these process concepts with a reference cement plant. The results show that oxy-combustion and post combustion absorptive capture technologies perform better and have a particular advantage over chemical looping in terms of energy consumption. However, chemical looping offers a high degree of integration with an existing cement plant, without the need of major modifications to kiln operations, which is the case for oxy-combustion. These results contribute to the identification of the most suitable CO2 reducing strategy for the cement industry.
JRC Directorate:Energy, Transport and Climate

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