mgco3 ra mgo

  • Bin Zhang7,8,
  • Jinhui Peng8,
  • Libo Zhang8 &
  • Shaohua Ju8 
  • Chapter

Abstract

The conditions of technique vĩ đại prepare magnesium oxide by calcination from basic magnesium carbonate were optimized using a central composite design (CCD) of response surface methodology (RSM). Two quadratic equation models for decomposition rate and activity of magnesium oxide were built and effects of main factors and their corresponding relationships were obtained. The statistical analysis of the results showed that in the range studied the decomposition rate and activity of magnesium oxide were significantly affected by the calcination temperature and calcination time. The optimized calcination conditions were as follows: the calcination temperature 666.99°C and the calcination time 2.12 h, respectively. Under these conditions the decomposition rate of basic magnesium carbonate was 92.1971%, and the activity of magnesium oxide was 155.503 mg I2/g MgO. The validity of the model was confirmed experimentally and the results were satisfactory. In addition, the sample was characterized by X-ray Diffraction (XRD).

Keywords

  • Response surface methodology
  • Basic magnesium carbonate
  • Calcination
  • Magnesium oxide

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Author information

Authors and Affiliations

  1. Kunming University of Science and Technology, Kunming Yunnan, 650093, quảng cáo China

    Bin Zhang (Faculty of Science)

  2. Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming Yunnan, 650093, quảng cáo China

    Bin Zhang (Faculty of Science), Jinhui Peng, Libo Zhang & Shaohua Ju

Editor information

Editors and Affiliations

  1. Department of Materials Science and Engineering, North Carolina State University, USA

    Suveen N. Mathaudhu (Adjunct Assistant Professor) (Adjunct Assistant Professor)

  2. Netherlands Organization for Applied Scientific Research (TNO), Netherlands

    Wim H. Sillekens (Senior Scientist) (Senior Scientist)

  3. IND LLC, USA

    Neale R. Neelameggham (Guru) (Guru)

  4. Magnesium Processing Department at the Magnesium Innovation Centre (MagIC), Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung, Geesthacht, Germany

    Norbert Hort (head) (head)

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Zhang, B., Peng, J., Zhang, L., Ju, S. (2012). Optimization of Preparation for Magnesium Oxide by Calcination from Basic Magnesium Carbonate Using Response Surface Methodology. In: Mathaudhu, S.N., Sillekens, W.H., Neelameggham, N.R., Hort, N. (eds) Magnesium Technology 2012. Springer, Cham. https://doi.org/10.1007/978-3-319-48203-3_15

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  • DOI: https://doi.org/10.1007/978-3-319-48203-3_15

  • Publisher Name: Springer, Cham

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  • Print ISBN: 978-3-319-48571-3

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