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Theoretical Foundations of Chemical Engineering

, Volume 53, Issue 5, pp 893–898 | Cite as

Chemistry of Nepheline Formation in the Batch Mixture in Ceramic Production

  • N. I. KopylovEmail author
  • Yu. D. KaminskiiEmail author
  • B. K. Kasenov
CHEMICAL-METALLURGICAL PROCESSES OF DEEP TREATMENT OF ORE, TECHNOGENIC, AND SECONDARY RAW MATERIALS
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Abstract

Under the conditions of preliminary treatment during the preparation to annealing of a mixture of Tuva clays with the dearsenation cake of the Khovu-Aksy dump sludge, the material was found to undergo a chemical process that forms nepheline. Based on the calculated Gibbs energies of the reactions, it was concluded that the reaction occurs at the minimum number of components in the system: silicate Na4Mg2Si3O10–kaolinite (kaolinite + orthoclase).

Keywords:

clay dearsenation nepheline Gibbs energy XRD analysis preliminary treatment 

Notes

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of SciencesNovosibirskRussia
  2. 2.Abishev Institute of Chemical MetallurgyKaragandaKazakhstan

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