ytterbia doped nickel–manganese mixed oxide catalysts for liquid phase oxidation of benzyl alcohol
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2017
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Abstract
Nickel–manganese mixed oxides doped with 1, 3, 5 mol% ytterbia have been prepared by co-precipitation method and used in the catalytic oxidation of benzyl alcohol. Catalytic activity of these oxides calcined at 400 °C and 500 °C was studied for selective oxidation of benzyl alcohol to the corresponding aldehyde using molecular oxygen as an oxidizing agent. The results showed that thermally stable 5 mol% ytterbia doped nickel–manganese oxide [Yb2O3-(5%)-Ni6MnO8] exhibited highest catalytic performance when it was calcined at 400 °C. A 100% conversion of the benzyl alcohol was achieved with >99% selectivity to benzaldehyde within a reaction period of 5 h at 100 °C. The mixed oxide prepared has been characterized by scanning election microscopy (SEM) and energy dispersive X-ray analysis (EDXA), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA), Brunauer–Emmett–Teller (BET) and temperature programed reduction (H2-TPR).
| Reference Key |
sultana2017journalytterbia
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| Authors | ;S.S.P. Sultana;Roushown Ali;Mufsir Kuniyil;Mujeeb Khan;Abdulrahman Alwarthan;D.H.V. Kishore;M.E. Assal;K.R.S. Prasad;Naushad Ahmad;Mohammed Rafiq H. Siddiqui;Syed F. Adil |
| Journal | zaporožskij medicinskij Žurnal |
| Year | 2017 |
| DOI |
10.1016/j.jscs.2017.07.002
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| URL | |
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