Journal
BOLETIN DE LA SOCIEDAD ESPANOLA DE CERAMICA Y VIDRIO
Volume 57, Issue 3, Pages 112-118Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.bsecv.2017.10.004
Keywords
Solid state synthesis; Amorphous silica; Rice husk (RH); Rice husk ash (RHA); Forsterite; Waste material
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The aim of the investigation is to develop nano-crystalline forsterite by utilizing amorphous silica and magnesia through solid-state route. Amorphous silica was yielded from burning of biomass, i.e. rice husk (RH). The precursor and powders were subjected to calcination for a temperature range of 700-1000 degrees C and evolution of forsterite phase was characterized using Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), and scanning electron microscopy (SEM). The results indicate that by increasing temperature around 1000 degrees C, magnesia and amorphous silica were absolutely consumed and turned into a single forsterite phase. Crystal size was calculated by XRD analysis (80-85 nm) and particle size was determined by SEM micrograph analysis, which reveals that prepared powder consist particles with nearly spherical morphology, and mean particle size of 265 nm. (C) 2017 SECV. Published by Elsevier Espana, S.L.U.
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