SYNTHESIS OF ZEOLITE FROM KAOLIN CLAY FROM ERUSU AKOKO SOUTHWESTERN

A.G. Olaremu, E.O Odebunmi, F.O. Nwosu, A.O. Adeola, TG. Abayomi

Abstract


Nigeria is blessed with abundant kaolin clay and solid mineral deposits scattered in various parts of the country, yet the country solely depends on imported zeolite as commercial adsorbent for wastewater treatment, catalyst for the petroleum industry and other applications. This work describes the development of a process to produce zeolite from clay mineral.The beneficiated kaolin clay was converted to metakaolin at 600oC, and then leached with sulphuric acid to achieve the required silica-alumina ratio for zeolite synthesis. An alkaline fusion stage was then carried-out to transform the metakaolin into zeolite. Identification of the crystalline phase by X-Ray Diffraction analysis showed that it consists of both zeolite X and Y. Infrared spectra analysis confirmed the presence of zeolite framework structure. Transmission electron microscopy, surface area and pore volume of the synthesized zeolite were examined and the results from all the analysis confirmed that zeolite can be produced from the kaolin clay. 

Keywords: Zeolite, Kaolin, Characterization technique, Synthesis, Clay. 


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Chemical Society of Nigeria