Wan Mokhtar, Wan Nur Aini and Wan Abu Bakar, Wan Azelee and Wan Abdullah, Wan Nazwanie and Toeman, Susilawati and Mat Rosid, Salmiah Jamal (2018) Role of Mn/Al2O3 catalyst in deep oxidative desulfurization of diesel. Petroleum Science and Technology, 36 (21). pp. 1741-1747. ISSN 1091-6466
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Official URL: http://dx.doi.org/10.1080/10916466.2018.1511581
Abstract
In this work, a series of supported manganese catalyst has been synthesized and utilized in oxidative desulfurization to remove 4,6-dimethyldibenzothiophene (4,6-DMDBT), dibenzothiophene (DBT) and thiophene. The influences of catalyst parameters were investigated including manganese precursors, manganese loading and calcination temperature in details. The synthesized catalyst was characterized by scanning electron microscopy (SEM), N2 adsorption/desorption and X-ray diffraction (XRD) techniques. 90.2% of 4,6-DMDBT, 98.5% of DBT and 95.5% of thiophene conversion were achieved under mild operational conditions using 3Mn(NO3)2/Al2O3 at 500 °C calcination temperature. A slight decrease in desulfurization activity was observed after Mn/Al2O3 catalyst being used in five cycles ODS.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | catalyst, manganese oxide, organosulfur |
| Subjects: | Q Science > QD Chemistry |
| Divisions: | Science |
| ID Code: | 86535 |
| Deposited By: | Yanti Mohd Shah |
| Deposited On: | 30 Sep 2020 08:41 |
| Last Modified: | 30 Sep 2020 08:41 |
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