Russian Journal of Applied Chemistry

, Volume 90, Issue 10, pp 1586–1591 | Cite as

Mechanically Stimulated Thermal Synthesis of Lithium Pentaaluminate from Lithium Carbonate and Aluminum Hydroxide

  • V. P. Isupov
  • N. V. Eremina
  • I. A. Borodulina
Inorganic Synthesis and Industrial Inorganic Chemistry


It is shown that the phase composition of lithium aluminates formed when aluminum hydroxide in the form of gibbsite interacts with lithium carbonate in their mixture with Al: Li atomic ratio of 5: 1 depends on the duration of a preliminary mechanical activation of the mixture and on the temperature of the subsequent thermal treatment. A thermal treatment of the starting mixture at temperatures exceeding 800°C yields LiAl5O8 with a substantial admixture of α- and γ-LiAlO2. Raising the duration of the mechanical activation to 5 min and more makes it possible to obtain highly dispersed single-phase LiAl5O8 with a specific surface area larger than 20 m2 g–1


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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • V. P. Isupov
    • 1
  • N. V. Eremina
    • 1
  • I. A. Borodulina
    • 1
  1. 1.Institute of Solid State Chemistry and Mechanochemistry, Siberian BranchRussian Academy of SciencesNovosibirskRussia

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