Paper Title:
Sulfation of Calcined Raw Meal in the Kiln Inlet Housing for the Cement Industry
  Abstract

The sulfation behavior of calcined raw meal was investigated in a laboratory fix-bed reactor under conditions typically for SO2 capture in the kiln inlet housing used in cement production. The initial period is characterized with a fast-increasing conversion, while the second period shows a slow-increasing conversion. A desirable temperature exists for sulfation of calcined raw meal. A smaller particle size favors the sulfation reaction. The initial conversion rate is significantly promoted by a higher SO2 concentration. The SEM examinations show that the sulfation process involves nucleation and growth of CaSO4 grains- the sulfation product. Increasing the temperature and extending the time result in fewer but larger CaSO4 grains in the product layer.

  Info
Periodical
Edited by
Deliang Chen
Pages
98-101
DOI
10.4028/www.scientific.net/AMR.266.98
Citation
X. Y. Li, Z. J. Hu, X. C. Ye, W. M. Yu, C. X. Tao, "Sulfation of Calcined Raw Meal in the Kiln Inlet Housing for the Cement Industry", Advanced Materials Research, Vol. 266, pp. 98-101, 2011
Online since
June 2011
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