Title of article :
Catalytic oxidative desulfurization of dibenzothiophene by heterogeneous M^2+/Al-layered double hydroxide (M^2+ = Zn, Mg, Ni) modified zinc oxide
Author/Authors :
Ahmad ، Nur Faculty of Mathematics and Natural Sciences - Universitas Sriwijaya , Yuliasari ، Nova Faculty of Mathematics and Natural Sciences - Universitas Sriwijaya , Arsyad ، Fitri Suryani Department of Physics - Faculty of Mathematics and Natural Sciences - Universitas Sriwijaya , Royani ، Idha Department of Physics - Faculty of Mathematics and Natural Sciences - Universitas Sriwijaya , Mohadi ، Risfidian Faculty of Mathematics and Natural Sciences, Research Center of Inorganic Materials and Coordination Complexes - Universitas Sriwijaya , Lesbani ، Aldes Faculty of Mathematics and Natural Sciences, Research Center of Inorganic Materials and Coordination Complexes - Universitas Sriwijaya
Abstract :
In this study, the preparation of layered double hydroxide-metal oxide (ZnAl-ZnO, MgAl-ZnO, and NiAl-ZnO) was successful. The characterization of the catalyst used XRD, FTIR, and SEM analysis. The catalyst shows high oxidative desulfurization of dibenzothiophene. The percentage conversion of dibenzothiophene on ZnAl-ZnO, MgAl-ZnO, and NiAl-ZnO was 99.38%, 99.34%, and 99.90%, respectively. The acidities of ZnAl-ZnO, MgAl-ZnO, and NiAl-ZnO were 0.798, 2.469, and 0.184 mmol/g, respectively. The catalysts are heterogeneous systems, and the advantage is that they can be used for reusability. After 3 cycles of catalytic reactions at 323 K for 30 min, reusability proves that the percentage conversion of dibenzothiophene on ZnAl-ZnO, MgAl-ZnO, and NiAl-ZnO had a stable structure.
Keywords :
Dibenzothiophene , Heterogeneous catalyst , Layered Double Hydroxide , Oxidative desulfurization , Reusability
Journal title :
Iranian Journal of Catalysis
Journal title :
Iranian Journal of Catalysis
