Abstract

The influence of bio-treatment on the structure and properties of internal wall tiles was tested. Nepheline-dolomite body D-8 was used for the manufacturing of the tiles. At the stage in which the clays and nonplastics are blended in the mixing tank with the slip, a suspension of silicate bacteria was added. It was found that the most marked change begins after three days. Tables show the fluidity of the experimental and control slips and the relationship between the density of the pressed specimens and the pressing force. The viscosity of the slip with the addition of the electrolyte is much lower than the viscosity of the control slip. The introduction of biotechnology in the production of ceramic tiles for internal wall facing will reduce the fuel consumption by 8-10%, reduce the cost of installing rollers made from scarce steels, reduce the amount of loss, and increase the grading of the product.

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