Inorganic Chemicals Industry >
Preparation and catalytic hydroxylation performance of hierarchical titanium silicalite-1
Received date: 2019-03-18
Online published: 2020-06-10
Hierarchical titanium silicalite-1（h-TS-1） was synthesized by sol-gel method with cetyltrimethyl-ammonium bromide（CTAB） as mesopores template.Structural features of the h-TS-1 were characterized by transmission electron microscope（TEM）,X-ray diffraction（XRD）,N2 adsorption-desorption,ultraviolet-visible diffuse reflectance spectroscopy（DR UV-vis） and Fourier transform infrared spectroscopy（FT-IR）.Catalytic performance of the h-TS-1 was investigated by the direct hydroxylation of benzene and phenol,using H2O2 as oxidant under mild conditions.The results indicated that the h-TS-1 not only possessed the same MFI topology and ideal crystal form as TS-1,but also had microporous and mesoporous structure,of which the average pore size was 2.67 nm.Compared with TS-1,the catalytic activity of h-TS-1 had been improved significantly.Furthermore,the h-TS-1 had a great capacity of reutilization.
Tianhua Yu , Houyu Ao , Qipeng Huang , Jinglan Wu . Preparation and catalytic hydroxylation performance of hierarchical titanium silicalite-1[J]. Inorganic Chemicals Industry, 2019 , 51(9) : 102 -105 . DOI: 10.11962/1006-4990.2018-0565
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