In this project some catalysts were made on carriers prepared via sol-gel and oil- drop techniques according to the experiences obtained from research and preparation of “hydrodesulfurization catalyst on a foreign carrier” and “preparation of spherical gamma- alumina”.
The catalysts were analyzed, as follows:
1- Electron probe microanalysis by SEM for determining Mo and Co dispersion along the catalyst beads diameter.
2- X-ray diffraction (XRD) for determining the crystal phase of catalysts.
3- Nitrogen porosimetery for determining specific surface area and adsorption –desorption isotherm plot of samples.
4- Microreactor test for determining HDS efficiency of catalysts.
The results show that two catalysts called JDS-6 and JDS-7 and also the bench scale sample, JDS-B, are capable of reducing the sulfur content of a synthetic naphta from 1150 ppm to 6, 7 and 6 ppm respectively under operational conditions like that of refinery HDS units.