Magnetically separable polyoxometalate catalyst for the oxidation of dibenzothiophene with H2O2 |
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| Authors: | Zhang Zhenxin Zhang Fengwei Zhu Qianqian Zhao Wei Ma Baochun Ding Yong |
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| Affiliation: | Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, China. |
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| Abstract: | Two types of polyoxometalate-functionalized magnetic nanoparticles catalysts consisting of H(3)PW(12)O(40) supported on surface-modified Fe(3)O(4) magnetite nanoparticles were prepared using an easy synthetic route and successfully applied for the oxidation of dibenzothiophene. The magnetic catalysts showed a catalytic performance in the oxidation of dibenzothiophene in acetonitrile with hydrogen peroxide, and high conversions were obtained. The catalysts could be easily separated from the reaction solution by applying an external magnetic field and recycled several times. |
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