Synthesis and characterization of new nano organic-inorganic hybrid film(TBA)۴PW۱۱Fe@TiO۲@PVA for oxidative desulphurization of gasoline

Oil pollution is one of the causes of air pollution, which will have harmful effects on humanhealth. Also, in addition to the presence of sulfur compounds, especially mercaptans, in oil cuts, itcauses environmental pollution, but it also causes corrosion in transmission lines and storage tanks.Therefore, it is necessary to adopt appropriate methods to remove the amount of sulfur andmercaptans in oil cuttings up to international standards [۱-۴]. In this work, an efficient oxidativedesulfurization (ODS) process of real gasoline was introduced using (TBA)۴PW۱۱Fe@TiO۲@PVAas catalyst. The catalyst was successfully prepared by saturated and substituted Kegini structuresuch as (TBA)۴PW۱۱Fe) and stabilized on titanium dioxide (TiO۲) and polyvinyl alcohol (PVA),by sol-gel method. The composite was characterized using various analytical techniques includingFT‐IR, UV–vis, XRD, and SEM. The effects of various parameters such as: amount of catalyst,type of catalyst, type of oxidizer, temperature and time in desulfurization were investigated. Thesynthesized nanocomposites showed the ability to desulfurize real gasoline with high efficiency.The results showed that the desulfurization process with synthesized polyoxometalates hasadvantages such as low cost, simplicity and environmental friendliness

کلیدواژه ها:

Oxidative desulfurization ، Polyoxometalate ، Gasoline ، Catalyst