Oxy-fuel burner investigations for CO2 capture in cement plants. (August 2017)

• Record Type: Journal Article
• Authors: Carrasco-Maldonado, Francisco; Bakken, Jørn; Ditaranto, Mario; Haugen, Nils E.L.; Langørgen, Øyvind; Grathwohl, Simon; Maier, Jörg
• Is Part Of: Energy procedia. Volume 120(2017)
• Page Start: 120
• Page End: 125
• Publication Date: 2017-08
• Subjects: oxy-fuel -- cement -- carbon capture; Power resources -- Congresses; Power resources -- Periodicals; Power resources; Conference proceedings; Periodicals; 333.7905
• DOI: 10.1016/j.egypro.2017.07.160
• Languages: English
• ISSNs: 1876-6102

Abstract

Abstract: Oxy-fuel conditions may have a considerable influence on the cement production process. This paper presents the results of a first validation work aiming to model the combustion behavior under rich CO2 conditions. The experiments took place in a 500 kWth pulverized fuel combustion rig. A swirl burner is employed to stabilize an air and an oxy-fuel case (29% oxygen in combustion gases). Detailed measurements of temperature and concentrations (O2, CO2, CO) along the furnace length are used to validate the simulation work. A commercial CFD software (Ansys Fluent) is employed to simulate both air and oxy-fuel cases. The results from the simulations indicate a good agreement with the measured values. However, some discrepancies are observed in near burner region that may be also be related to the measurement method employed.