Ionothermal Synthesis of Sodalite from Metakaolin
Keyword(s):
X Ray
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The sodalite was prepared with metakaolin by the ionothermal method in deep eutectic solvent(choline chloride/urea). Such factors as the Na2O/SiO2 ratio, crystallization temperature and time had effects on the structure and property. The high crystallinity and purity of sodalite can be obtained at the Na2O/SiO2 ratio of 3:1, and the temperature of 180°C for 60h. The product was characterized by means of X-ray diffraction, Infrared spectrum and scanning electron microscopy.
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