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Organic-Free Synthesis of Finned Mordenite Zeolite. | LitMetric

Organic-Free Synthesis of Finned Mordenite Zeolite.

Nanomaterials (Basel)

Laboratory of Molecular Sieves, Institute of Chemistry, Federal University of Rio Grande do Norte, Natal 59078-970, Brazil.

Published: July 2022

AI Article Synopsis

  • - Mordenite is a commonly used zeolite in industrial processes, but its pore structure can cause diffusion problems, which can negatively impact efficiency.
  • - A study focused on synthesizing mordenite from an organic-free dense gel revealed that adjusting hydrothermal conditions can control the size and shape of the zeolite particles.
  • - The research showed that the modified mordenite had a fin-like structure with increased mesoporosity, which could help alleviate diffusion issues associated with traditional one-dimensional-channel zeolites.

Article Abstract

Mordenite is a well-known zeolite widely used for industrial processes. However, its pore architecture can be inconvenient due to diffusional issues. A study of the synthesis parameters from an organic-free dense gel was carried out to control the crystal morphology, which resulted in finned mordenite zeolite particles. The obtained materials were characterized by XRD, FTIR, Si and Al MAS-NMR, elemental analysis, nitrogen physisorption, SEM, and TEM. We found that careful manipulation of the hydrothermal parameters directly affected the sizes and morphologies of the crystallites and particles, as well as the textural properties of the final products. Additionally, it was found that mordenite could exhibit a fin morphology with additional mesoporosity, which is a promising means to reduce the diffusional problems of one-dimensional-channel zeolites.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9370630PMC
http://dx.doi.org/10.3390/nano12152623DOI Listing

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