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Abstract <p>The effect of firing temperature on the properties of ceramic samples produced from clay-based mixtures with arsenic-containing waste from the Tuvacobalt plant was examined. An increase in the moisture content of the mixture from 10 to 15% resulted in a significant increase in the strength of the ceramic samples. At 850°C, the compressive strength of the samples increased from 14 to 21 MPa. New phases (andradite and wollastonite) were identified in the ceramic samples and likely contributed to the increase in strength. Arsenic was shown to be incorporated into silicate structures during firing in the form of stable arsenates.</p>

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Potential for Using Cobalt Concentrate Waste in the Production of Ceramic Products

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • M. O. Moldurushku,
  • N. I. Kopylov,
  • B. K. Kara-Sal

摘要

Abstract

The effect of firing temperature on the properties of ceramic samples produced from clay-based mixtures with arsenic-containing waste from the Tuvacobalt plant was examined. An increase in the moisture content of the mixture from 10 to 15% resulted in a significant increase in the strength of the ceramic samples. At 850°C, the compressive strength of the samples increased from 14 to 21 MPa. New phases (andradite and wollastonite) were identified in the ceramic samples and likely contributed to the increase in strength. Arsenic was shown to be incorporated into silicate structures during firing in the form of stable arsenates.