IIARD International Institute of Academic Research and Development

International Journal of Engineering and Modern Technology (IJEMT )

E-ISSN 2504-8848
P-ISSN 2695-2149
VOL. 10 NO. 5 2024
DOI: 10.56201/ijemt.v10.no5.2024.pg65.75

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Viability of Ikere Clay and Itawure Termite Hill Blends as Refractory Lining for Low - Medium Temperature Applications

Kutelu, B.J; Oluwaseyi, A.O; Awoniyi M.E

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Abstract

Blending of clay with termite hill have the potential of raising refractory properties and, in consequence, expanding their use as lining materials for applications requiring medium to high temperatures. Consequently in this study, clay sample from Ikere Ekiti, Ekiti State and Itawure termite hill sample from Akure, Ondo state both in Nigeria were considered. Chemical compositions of the samples were determined by Atomic Absorption Spectrometer (AAS) - model 210 VGP. And following standard approach, as- mined clay samples were prepared and blended to obtain five blends; S-I, S-II, S-III, S-IV and S-V. Each blend was thoroughly mixed with water, and molded into cylindrical laboratory test specimens, air dried for 168 hours (7day) and subjected to the refractory tests (loss on ignition, bulk density, apparent porosity, permeability and linear shrinkage on firing). From the results, aluminum oxide (Al2O3) and silica (SiO2) were the major constituents of the samples, while the other constituents were in trace quantities. Clay sample from Ikere Ekiti with mesh size 500 µm gave the highest mass retained (153g), while Itawure termite hill sample with mesh size 100 µm gave the highest mass retained of 233g. In general, refractory properties of Itawure termite hill sample was comparatively superior to Ikere Ekiti clay sample. Refractory properties of the blends were a major improvement over Itawure termite hill and Ikere Ekiti clay respectively. And optimum refractory properties of the blends was obtained with the S-V blend

keywords:

Termite Hill, As-Mine, Blends, Refractory Properties, And Mass Retained

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