Abstract
In this research zirconium pillared saponite clay (Zr-PILS) was prepared for catalysis application. Pillarization was conducted by zirconium isopropoxide via using sol-gel mechanism and the characterization was performed by X-ray diffraction, gas sorption analysis and surface acidity measurement by pyridine adsorption-FTIR measurement techniques. Result showed that pillaring process to saponite produced pillared saponite with increasing specific surface area, pore volume as well as surface acidity that contributed to enhance catalytic activity in menthol esterification. Reusability test was also showed that Zr-PILS activity is relatively stable.
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