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Study of Chemical and Technological Bases for Preparing Aluminosilicate Refractories Based on Fly Ash

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Refractories and Industrial Ceramics Aims and scope

The possibility of using fly ash from thermal power plants to prepare fused mullite powder with subsequent use as a filler for aluminosilicate refractories is investigated. Introduction of orthophosphoric acid as a binder to a raw material charge provides a reduction in firing temperature of fireclay refractories by 150 – 200°C, which is an important factor in the contemporary organization of production using energy-saving technology. The products obtained in accordance with the requirements of GOST 390–2018 correspond to fireclay products of the ShV grade and are recommended for use in lining heating units.

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Authors and Affiliations

  1. Moscow State Building University, Moscow, Russia

    E. V. Tkach

  2. TOO INNOBILD, Almaty, Kazakhstan

    K. A Nurbaturov

Authors
  1. E. V. Tkach
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  2. K. A Nurbaturov
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Correspondence to E. V. Tkach.

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Translated from Novye Ogneupory, No. 1, pp. 45 – 50, January, 2021.

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Tkach, E.V., Nurbaturov, K.A. Study of Chemical and Technological Bases for Preparing Aluminosilicate Refractories Based on Fly Ash. Refract Ind Ceram 62, 45–50 (2021). https://doi.org/10.1007/s11148-021-00561-0

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  • DOI: https://doi.org/10.1007/s11148-021-00561-0

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