Abstract
The synthesis of cordierite in mixtures composed of argillaceous and magnesian raw materials from a number of deposits in Siberia (Tomsk, Novosibirsk, Irkutsk, and Kemerovo Districts) is studied experimentally. Mixtures based on the clay from the Veselovskoe deposit (Ukraine) are used as a reference. A VMTs-25-1 centrifugal vibromill was used for activating the precursor materials. Two factors simultaneously applied — mechanochemical activation and structure-forming additions — provide conditions for lowering the temperature and increasing the degree of synthesis. A technique for synthesis of cordierite with the simultaneous sintering of components (blocks of catalyst carriers with cellular structure) at 1200°C has been developed at the G. K. Boreskov Institute of Catalysis.
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REFERENCES
V. F. Pavlov, Z. O. Nemchenko, and V. S. Mitrokhin, “The effect of magnesium-containing materials on the synthesis of cordierite from low-melting mixtures, ” in: Research in the Technology of New Ceramic Products [in Russian], Stroiizdat, Moscow (1980), pp. 49-59.
V. N. Antsiferov, S. E. Porozova, and S. N. Pescherenko, “Percursor raw materials and their effect on the properties of a cordierite ceramic, ” Ogneup. Tekh. Keram., No. 10, 20-23 (1997).
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Khabas, T.A., Vereshchagin, V.I., Vakalova, T.V. et al. Low-Temperature Synthesis of Cordierite Using Naturally Occurring Ceceramic Materials. Refractories and Industrial Ceramics 43, 314–318 (2002). https://doi.org/10.1023/A:1022346818305
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DOI: https://doi.org/10.1023/A:1022346818305