Synthesis of High Crystallinity Zeolite P from Stellerite

Chun Ying Zhang; Nan Chun Chen; Xiao Hu Zhang; Feng Zhan

doi:10.4028/www.scientific.net/KEM.602-603.71

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 602-603Synthesis of High Crystallinity Zeolite P from...

Synthesis of High Crystallinity Zeolite P from Stellerite

Abstract:

Zeolite P was synthesized for hydrothermal route at crystallization temperature of 95°C and crystallization time of 7h, using“acid-treated stellerite-NaOH-NaAlO₂-H₂O” as precursor, with different molar ratios n (SiO₂/Al₂O₃), n (Na₂O/SiO₂) and n (H₂O/Na₂O). The as-fabricated samples were characterized by scanning electron microscopy, X-ray diffraction, FT-IR techniques. The result shows that: the crystal structure of zeolite P has been determined in the tetragonal crystal system, lattice constants are 10.049Å,10.047 Å and the crystallinity of zeolite P is 97%. Influences of synthetic parameters were investigated systematically to achieve high quality pure zeolite P phases. Moreover, this morphology and high crystallinity control approach might be further extended to the synthesis of other zeolite and used in industry, agriculture, environmental protection and biotechnology industries.

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Periodical:

Key Engineering Materials (Volumes 602-603)

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71-75

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https://doi.org/10.4028/www.scientific.net/KEM.602-603.71

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Online since:

March 2014

Authors:

Chun Ying Zhang, Nan Chun Chen*, Xiao Hu Zhang, Feng Zhan

Keywords:

High Crystallinity, Stellerite, Zeolite P

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