4.7 Article

Ultrafast synthesis of high-silica Beta zeolite from dealuminated MOR by interzeolite transformation for methanol to propylene reactions

Journal

MICROPOROUS AND MESOPOROUS MATERIALS
Volume 314, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.micromeso.2021.110894

Keywords

Ultrafast synthesis; Interzeolite transformation; High-silicon beta; Defect-less; MTP

Funding

  1. National Natural Science Foundation of China [21872052, 21533002, 21972044]
  2. China Ministry of Science and Technology [2016YFA0202804]

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A novel interzeolite transformation method has been developed to synthesize large-pore, high-silica Beta zeolite with fewer defects within 3 hours. This high-silica Beta exhibits a longer lifetime compared to Beta-DA and Beta-F, thanks to its nano-size and defect-free crystals.
A novel interzeolite transformation method was developed to synthesize the large pore Beta zeolite with high Si/Al ratio. and less defects within 3 h. Such high-silica Beta showed a long lifetime in comparison to the high-silica Beta prepared via the post-synthesis method (Beta-DA) and hydrothermal method in F medium (Beta-F), owing to its nano-size and defect-less crystal.

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