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Preparation and properties of fine hematite powders by hydrolysis of iron carboxylate solutions

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Abstract

Submicrometer, crystalline hematite (α-Fe2O3) particles were prepared by hydrolysis of organic iron carboxylate solutions using water at 175 °C for 30 minutes. The particle size of hematite was significantly dependent on the liquid-phase stirring speed and the organic compositions. The precipitation rate of hematite from the organic solution followed first-order kinetics. The precipitation rate increased markedly with increasing temperature, and the activation energy for the process was 94.6 kJ mol−1. At 220 °C, the hydrolysis of iron carboxylate solution led to a mixture of hematite and magnetite (Fe3O4). The iron oxides prepared at 175 °C to 220 °C were found to be free from organic contamination by the starting material.

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References

  1. V.K. La Mer and R.H. Dinegar:J. Am. Chem. Soc, 1950, vol. 65, pp. 4847–54.

    Article  Google Scholar 

  2. G. Thorsen and A.J. Monhemius:AIME Annual Meeting, New Orleans, LA, 1979, TMS paper no. A-79-12.

  3. G. Thorsen and A.J. Monhemius: U.S. Patent 4, 282, 189, 1981.

    Google Scholar 

  4. FM. Doyle-Gamer and A.J. Monhemius:Metall. Trans. B, 1985, vol. 16B, pp. 671–77.

    Google Scholar 

  5. F.M. Doyle and W. Ye:J. Met., 1987, vol. 39 (7), pp. 34–37.

    CAS  Google Scholar 

  6. F.M. Doyle:Hydrometallurgy, 1992, vol. 29, pp. 527–45.

    Article  CAS  Google Scholar 

  7. A.J. Monhemius and G. Thorsen:Proc. Int. Solvent Extr. Conf. 1SEC' 80, 1980, vol. 3, pp. 80–91.

    Google Scholar 

  8. F.M Doyle-Garner and A.J. Monhemius:AIME Annual Meeting, New York, NY, 1985, TMS Paper no. A85-11.

  9. MI. Stefanakis and A.J. Monhemius:Hydrometallurgy, 1985, vol. 15, pp. 113–39.

    Article  CAS  Google Scholar 

  10. F.M. Doyle:Hydrometallurgy, 1988, vol. 20, pp. 65–85.

    Article  CAS  Google Scholar 

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Authors and Affiliations

  1. Department of Chemical Engineering, University of Osaka Prefecture, 593, Osaka, Japan

    Yasuhiro Konishi (Research Associate), Takeshi Kawamura & Satoru Asai (Professor)

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  1. Yasuhiro Konishi
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  2. Takeshi Kawamura
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  3. Satoru Asai
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Konishi, Y., Kawamura, T. & Asai, S. Preparation and properties of fine hematite powders by hydrolysis of iron carboxylate solutions. Metall Mater Trans B 25, 165–170 (1994). https://doi.org/10.1007/BF02665199

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  • DOI: https://doi.org/10.1007/BF02665199

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