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Abstract
In this study, zeolite sodalite was synthesized from rice husk ash (RHA) by a simple conventional hydrothermal method using different time 1, 2, 3 and 4h. The best time for synthesizing is 4h. Rice husk (RH) was used as a source silicate to produce nanozeolite. The RHA silicate was obtained by combusting the RH at 700°C for 6h. Sodalite nanocrystals with crystallite sizes ranging from 35 to 44 nm have been synthesized from a sodium aluminosilicate solution at low temperature. A physical property of nanosized sodalite crystals were characterized by FTIR, X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM) and Brunauer-Emmett-Teller (BET) method. BET was used to determine the average pore size distribution, pore volume and surface area. The results obtained from BET method proved that the average pore size in the mesoporous ranges, therefore it can be suitable for using in adsorption ion exchange and catalyst applications.
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