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Preparation and Characterization of Porous Cordierite for Catalyst Support Application

This paper aims at studying the porous cordierite ceramics prepared by using the non-stochiometric cordierite composition formulation (2.8MgO.1.5Al2O3.5SiO2) by PU sponge impregnated method. The ceramic suspension were prepared with non-stoichiometric formulation of cordierite and sintered at 1250 °C, 1275 °C, 1285 °C, 1300 °C and 1325 °C. The phase transformation of non-stochiometric formulation cordierite was investigated by XRD. This paper also aims to compare the effect of linear shrinkage, porosity and density of 20 wt.% PEG treated PU sponge with untreated PU sponge respectively corresponding to different pore content (100 ppi, 80 ppi, 60 ppi, and 40 ppi). The pore structure was analyzed by SEM.