Ceramic glaze coloring by the components of metalcontaining wastes

Authors

  • Olena Korchuganova General and physical chemistry department of Vladimir Dahl East Ukrainian National University (93400 Severodonetsk Lugansk region, Ukraine

Keywords:

ceramic tiles, glaze, wastes of chemical industry, basic metal carbonates.

Abstract

Abstract. The aim was to determine the possibility of the metal-containing wastes using as a ceramic glaze pigments.  In the article  the investigations results  of  the  metal-containing  wastes coloring  properties for  ceramic  tiles  glazes are presented. The research methods. It was studied the coloring properties of the spent catalysts that are used in ammonia production - for medium and low  temperature  conversion  of  carbon  monoxide  and  methane  conversion  catalyst  and deposits  of metals  carbonates that  were obtained from spent electrolytes and waste water. The data of the chemical and phase composition of wastes on the results of X-ray diffraction and differential thermal analysis are presented. The samples of ceramic glazed tiles were produced with the using of the wastes. The wastes was fined and added into the ceramic glaze, glazed coating was covered by spraying on ceramic samples and were heat treatment under conditions that was identical to industrial conditions. The burning temperature was 900-1200 ° C. The color and glazed surface quality are controlled according to current standards. The results. It’s found that all tested wastes can create color of ceramic  glaze, spent  catalysts:  medium-temperature  conversion  of  carbon  monoxide -  brown,  spent  catalyst of lowtemperature conversion of carbon monoxide - a blue-green, catalyst conversion of methane - gray and gray-brown, cadmium and zincbase carbonate – white, nickel base carbonate – gray, mixture of base carbonate - gray-blue. The scientific novelty. The using not of all waste lets you create high-quality surface. The presence in the spent catalyst low conversion of methane monovalent copper oxide leads to boiling of the glaze. Also the base carbonate mixture that contains calcium carbonate, which decomposes at a temperature close to the temperature of firing ceramic tiles and cause excessive gas formation, which also brings to breach of the surface. It’s recommended use of these waste after pre-calcining of them at temperatures that will ensure the transformation of compounds in the divalent  metal  oxides  or  the  formation of spinel  structure compounds. The  practical  significance. The  using of  metal-containingwastes would create economic and quality pigments for ceramic glazes.

Author Biography

Olena Korchuganova, General and physical chemistry department of Vladimir Dahl East Ukrainian National University (93400 Severodonetsk Lugansk region

docent

References

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Статья рекомендована к публикации д-ром техн. наук, В.И. Большаковым и д-ром техн. наук, Д.В. Лаухиным (Украина)

Published

2016-03-22

Issue

Section

Proceedings in memory of Starodubov