Investigation of Low-Temperature Surface Absorption of Mercaptan from Gas by Reformed Mezo-pore SBA-15

Selective adsorption of sulfur compounds is one of the most widely used methods, the most important advantages of this method are the desulphurisation reaction at low temperature and pressure. In this study, ZnO nanoparticles was made based on Silica mesoporous (SBA-15), different methods such as: ICP, BET, XRD were used to check the physical and chemical properties and the absorbent action to remove gas-Iso propyl-mercaptan (IPM).The effect of effective absorption parameters such as loading rate, contact time, and initial gas concentration were studied. The maximum absorption was achieved in condition, contact time is 50 minutes,With a loading rate of 5% nanoparticles, initial concentration of 500 ppm.The result of this study showed that isotherm temperature with Freundlich is more consistent with experimental data (R2 = 0.998), the obtained kinetic data indicate that the absorption model is pseudo-first degree. The results showed that the adsorbents have a good ability to remove Iso propyl mercaptan gas.

Keywords:

nano-zincoxide , Isopropyl mercaptan , SBA-15(Santa Barbara AmorphoueTypematrial) , Adsorbent , kinetics , adsorpation isotherm