The Al-PILC used as catalytic support in this work shows a specific surface area of 158 m. A comparison of the textural properties of the support, the Pd catalyst and the Ce-modified catalysts showed that the surface and volume accessibilities are affect by the presence of the metals,especially in the case of Ce. The loss of specific surface area caused by the presence of Pd is around 26% , with this value increasing to 53-63% in the presence of Ce.