| 초록 |
AlPO-42 zeolite, with LTA topology, having 3-dimensional structure and 8-member rings openings exhibits significant performance for water adsorption. In this work, we incorporated Ti in the AlPO zeolite framework by hydrothermal synthesis using gel composition: 0.35TiO2:1Al2O3:0.8P2O5:1HF:1Morpholine:4ILs where ILs is 1-butyl-3-methylimidazolium bromide. TiAPO-LTA zeolite was analyzed using XRD, BET, SEM-EDX and TGA method. First of all, it was confirmed that TiAPO had pure LTA phase according to the analysis of X-ray diffraction patterns. The synthesized material, TiAPO-LTA, showed higher thermal stability and water adsorption capacity than AlPO-42 zeolite. Ti atom substituted AlPO framework introducing in a negative charge, can contribute to higher water adsorption capacity. |
