The Effect of Calcination Temperature on Metakaolin Characteristic Synthesized from Badau Belitung Kaolin

The effect of Metakaolinization on the thermal and physicochemical properties of Badau Belitung kaolin is presented. Calcination of Badau Belitung kaolin indicated that kaolin was transformed to metakaolin at temperature above 500°C. The metakaolin was characterized using X-ray Diffraction (XRD), Fo...

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Bibliographic Details
Published in:Key engineering materials 2020-05, Vol.841, p.312-316
Main Authors: Dhaneswara, Donanta, Jaka, Fajar Fatriansyah, Ulfiati, Ratu, Harjanto, Sri
Format: Article
Language:English
Subjects:
Diffraction patterns
Fourier transforms
Infrared spectroscopy
Kaolin
Metakaolin
Roasting
Thermal stability
X-ray diffraction
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Summary:The effect of Metakaolinization on the thermal and physicochemical properties of Badau Belitung kaolin is presented. Calcination of Badau Belitung kaolin indicated that kaolin was transformed to metakaolin at temperature above 500°C. The metakaolin was characterized using X-ray Diffraction (XRD), Fourier Transform Infrared (FT-IR) and Brunauer-Emmett-Teller (BET). The XRD diffraction pattern of the metakaolin was highly amorphous as a result of calcination effect on the raw kaolin. The FTIR spectra of the metakaolin produced showed that the material was thermally stable at temperature range of 500–700°C, whereas the specific surface area values of the raw kaolin and the metakaolin formed were increased with increasing calcination temperature from 500°C to 700°C.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.841.312