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Dissolution Kinetics of Titanium in Carbon-Saturated Iron

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10th International Symposium on High-Temperature Metallurgical Processing

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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Abstract

Adding titanium ore in the blast furnace is an efficient method to prolong its hearth life. The content of titanium is important for prolonging blast furnace life. In this study, the dissolution kinetics of titanium in carbon-saturated iron was studied. The carbon-saturated pig iron was heated to 1200, 1250 and 1300 °C, respectively, and then an appropriate amount of titanium-iron alloy powder was added. After a certain period of time, a quartz tube was used to take out the samples from the molten iron and the solubility of titanium was measured by an inductive coupled plasma emission spectrometer (ICP). By fitting the experimental results with different solid–liquid reaction kinetics models, the limiting step of the whole process was determined. The results show that in the process of dissolution the mass diffusion is the limiting step. According to the Arrhenius empirical equation, the activation energy of the dissolution is about 450.96 kJ/mol.

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Acknowledgements

The authors are especially grateful to the project 51674054 supported by National Natural Science Foundation of China and supported by the National Key R&D Program of China (2017YFB0603801).

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Authors and Affiliations

  1. College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, China

    Leizhang Gao, Tongxiang Ma, Zhiming Yan & Meilong Hu

Authors
  1. Leizhang Gao
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  2. Tongxiang Ma
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  3. Zhiming Yan
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  4. Meilong Hu
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Corresponding author

Correspondence to Meilong Hu .

Editor information

Editors and Affiliations

  1. Central South University, Changsha, China

    Tao Jiang

  2. Michigan Technological University, Houghton, MI, USA

    Jiann-Yang Hwang

  3. RHI Magnesita, Leoben, Austria

    Dean Gregurek

  4. Central South University, Changsha, China

    Zhiwei Peng

  5. Montana Tech, Butte, MT, USA

    Jerome P. Downey

  6. The University of Queensland, Brisbane, QLD, Australia

    Baojun Zhao

  7. Istanbul Technical University, Istanbul, Turkey

    Onuralp Yücel

  8. Atilim University, Ankara, Turkey

    Ender Keskinkilic

  9. University of Concepción, Concepción, Chile

    Rafael Padilla

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Gao, L., Ma, T., Yan, Z., Hu, M. (2019). Dissolution Kinetics of Titanium in Carbon-Saturated Iron. In: Jiang, T., et al. 10th International Symposium on High-Temperature Metallurgical Processing. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05955-2_52

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