A magnetically recyclable TS-1 for ammoximation of cyclohexanone
A magnetically recyclable TS-1 for ammoximation of cyclohexanone
复制标题
用于环己酮氨肟化的磁性可回收 TS-1
DOI:
10.1016/j.catcom.2014.02.004
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发表时间:
2014-04
影响因子:
3.7
通讯作者:
Guan Guofeng
中科院分区:
文献类型:
--
作者:
Liu Tong;Wang Lei;Wan Hui;Guan Guofeng
In this paper, Fe3O4nanoparticles coated with titanium silicalite-1 (designated Fe3O4@TS-1) were successfully prepared and used as catalysts for ammoximation of cyclohexanone. Characterizations demonstrated that the magnetic catalyst was coated with a thin TS-1 layer of ~ 30 nm in thickness. The catalyst still displayed excellent catalytic activity after introducing Fe3O4core. Recovery experiments revealed that Fe3O4@TS-1 catalyst could be easily recovered by adding an external magnetic field. Moreover, no appreciable catalytic deactivation was observed after four times of recycling. This work provided a promising way to overcome the recycle problem during the application of TS-1.
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