Reducibility Mill Scale Industrial Waste Via Coke Breeze at 850-950oC

Authors

  • N. M. Gaballah Faculty of Science, Helwan University
  • A. A. F. Zikry Faculty of Science, Helwan University
  • N. A. El-Hussiny Central Metallurgical Research and Development Institute
  • M. G. El-D. Khalifa El-Tabbin Metallurgical Institute
  • A. El-F. B. Farag Faculty of Science, Helwan University
  • M. El-M. H. Shalabi Central Metallurgical Research and Development Institute

Abstract

Mill scale is a very attractive industrial waste due to its elevated iron content (about = 69.33% Fe) besides being suiTab. for direct recycling to the blast furnace via sintering plant. In this paper the characteristics of raw materials and the briquettes produced from this mill scale were studied by different methods of analyses. The produced briquettes were reduced with different amounts of coke breeze at varying temperatures, and the reduction kinetics was determined. The activation energy of this reaction ≈ 61.5 kJ/mole for reduction of mill scale with coke breeze in the form of briquettes with 2% molasses where the chemical reaction interface model is applicable.

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Published

2017-12-13

Issue

Vol. 47 No. 1 (2015)

Section

Articles