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Research in the Area of Preparing Activated Alumina. Part 5. Different Technological Approaches to the Process of Fine Milling of High-Alumina Raw Materials

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Refractories and Industrial Ceramics Aims and scope

Results of studying the process of fine milling of α-Al2O3 in the presence of polyethylene glycol (PEG) and an antistatic composition are presented. It is shown that the main reason for agglomeration of fine particles is the effect of appearance of an electrostatic surface charge. Introduction of PEG prevents appearance of a “pseudo-viscous milling medium”, removing the excess electrostatic charge at the surface of newly formed ultrafine particles, and also intensifies the wear process of primary alpha-alumina crystals. The antistatic composition successfully neutralizes a surface electrical charge, but does not exhibit a milling intensifier effect.

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Authors and Affiliations

  1. Belgorod State National Research University, Belgorod, Russia

    M. A. Trubitsyn, N. A. Volovicheva, L. V. Furda, V. V. Lisnyak, A. P. Kurbatov & I. A. Bondareva

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  1. M. A. Trubitsyn
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  2. N. A. Volovicheva
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  3. L. V. Furda
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  4. V. V. Lisnyak
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  5. A. P. Kurbatov
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  6. I. A. Bondareva
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Correspondence to M. A. Trubitsyn.

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Translated from Novye Ogneupory, No. 5, pp. 100 – 107, May, 2023.

Parts 1 – 3 of the article published in Novye Ogneupory Nos. 3, 4, and 7 for 2022.

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Trubitsyn, M.A., Volovicheva, N.A., Furda, L.V. et al. Research in the Area of Preparing Activated Alumina. Part 5. Different Technological Approaches to the Process of Fine Milling of High-Alumina Raw Materials. Refract Ind Ceram 64, 284–290 (2023). https://doi.org/10.1007/s11148-024-00839-z

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  • DOI: https://doi.org/10.1007/s11148-024-00839-z

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