Synthesis of Silicalite-1 with Hierarchical Porosity

Abstract

Abstract: Hierarchical Silicalite-1 aggregates were synthesized by the assembly of Silicalite-1 zeolite seeds under different concentrations of P123. The samples were characterized by X-ray diffraction, IR spectroscopy, TEM and N2 adsorption to evaluate the physico-chemical properties of the mesoporous zeolite aggregates. The sample preserved a single well-defined peak in low-angle XRD patterns, at the same time, the diffraction peaks of Silicalite-1 appeared at wide-angle XRD patterns indicate the formation of MFI structure in the composite. The uniform worm-like pore distributed among the ZSM-5 zeolite aggregates was confirmed by TEM image.

Key words: Zeolite nano-particle, Self-assembly, Hierarchical pore, P123

TrendMD:

CHEN Li, WANG Yi-Meng*, HE Ming-Yuan. Synthesis of Silicalite-1 with Hierarchical Porosity[J]. Chem. J. Chinese Universities, 2010, 31(11): 2131.

References

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