Physico-chemical characteristics of the FeAA were determined using standard procedures. Some properties of the FeAA are shown in Table 1. Furthermore, X-ray diffraction (XRD), Fourier transform infrared spectroscope (FTIR) and scanning electron microscope (SEM) analyses of FeAA were carried out in this study. XRD powder diffraction measurement of FeAA was performed on a powder diffractometer (Rigaku RX III) equipped with a Cu K radiation. The accelerating voltage and current were 40kV and 20mA. A small portion of FeAA was finely ground and then pressed (in vacumm) in the form of a disc using spectroscopically pure dry KBr. The FTIR spectrum was recorded at room temperature using a Bio-Rad FTS-40A. The morphology of the activated alumina grain support and FeAA were described using Hitachi S-4100 and Philips XL-40FEG SEM. The Brunauer–Emmett–Teller (BET) surface area and porosity of the iron oxide were obtained from the data of the isotherms. The surface area of the iron oxide was calculated using the BET equation.