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A study of cordierite ceramics synthesis from serpentine tailing and kaolin tailing

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Author(s): Zhu P. | Wang L.Y. | Hong D. | Zhou M.

Journal: Science of Sintering
ISSN 0350-820X

Volume: 44;
Issue: 2;
Start page: 129;
Date: 2012;
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Keywords: serpentine mine tailing | kaolin mine tailing | cordierite ceramics | sintering | solid phase reaction

ABSTRACT
Cordierite ceramics was synthesized using a composition prepared by the mixture of three different materials: waste serpentine mine tailing (WST), waste kaolin mine tailing (WKT) and alumina. The formation of cordierite was achieved with the solid-state sintering reactions at 1350ÂșC for 3 h. The synthesized cordierite ceramics was characterized by X-ray diffractometer (XRD), thermal analysis (TG-DTA), and SEM-EDS (Scanning Electron Microscopy-Energy Dispersive Spectrometer). The XRD analysis results showed the cordierite with typical rhombic system as a major phase, and its compositions consisted of O, Al, Si and Mg by means of SEM-EDS.
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