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Characterization of Ajaokuta Coke for Blast Furnace Ironmaking
Department of Materials Science and Engineering,Faculty of Technology,Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria.
National Metallurgical Development Centre (NMDC), P.M.B. 2116,Jos, Plateau State. Nigeria
Department of Materials Science and Engineering,Faculty of Technology,Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria.
- 1 Department of Materials Science and Engineering,Faculty of Technology,Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria.
- 2 National Metallurgical Development Centre (NMDC), P.M.B. 2116,Jos, Plateau State. Nigeria
- 3 Department of Materials Science and Engineering,Faculty of Technology,Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria.
Journal of Minerals and Materials Characterization and Engineering·Volume 05 (2006)·Pages 155–165·Published 20 October 2006·DOI10.4236/jmmce.2006.52011
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Abstract
The 300kg coke sample received from Ajaokuta Steel Plant was subjected to proximate analysis and pilot scale size distribution test. The proximate analysis showed that the coke contains 0.38%, 13.45%, 2.72% and 0.14% of moisture, ash, volatile matter and sulphur respectively; while size distribution test gave micum 10 and micum 40 of 3.62% and 89.67% respectively. Therefore, the coke satisfies the blast furnace requirements for moisture, sulphur and micum strength. However, its ash and volatile contents exceed the specified limits except for Indian standard practice.
KeywordsCokeproximate analysissize distributionmicum strength
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