Assessment of Effect of Rice Hush Ash on Burnt Properties of Badeggi Clay.
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Date
2017-05
Authors
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Journal ISSN
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Publisher
IJAR
Abstract
The effect of Rice Husk Ash (RHA) on the burnt property of clay
(Badeggi) in Gbako Local Government Area of Niger Sate, Nigeria
has been evaluated. 0% to 15% weight proportion of Rice Husk Ash
(RHA) blended with clay were prepared for the the basis of this
analyses. X-ray diffractometer (XRD) and X-ray florescence
spectrometer (XRF) were used to determine the mineralogical and
chemical constituent of the clay and RHA respectively. Plasticity of
the clay, apparent porosity, bulk density, linear shrinkage, thermal
shock resistivity, compressive strength, hardness, refractoriness and
resistance to chemical attacks of the clay, and clay - RHA blends were
analysed. The XRD analysis indicated that the clay was mainly Albite,
with sufficient amount of Illite minerals. Result of chemical analysis
indicated silica (SiO2) 53.50% and alumina (Al2O3) 28.70% to be
main constituents of the clay. SiO2 content in the RHA was highest at
89.72% while other oxides were found in traces. Physical and
mechanical property test confirmed that the inclusion of RHA in the
clay resulted to considerable improvement in some properties and is
beneficial for ceramic ware production.
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Keywords
Mineralogical analysis, Clay, Rice Husk Ash, Burnt Properties