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Crystallization of a Pelletized High-Crystallinity SAPO-11 Molecular Sieve with a Hierarchical Pore Structure

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Abstract

A way of synthesizing a pelletized high-crystallinity SAPO-11 molecular sieve with a hierarchical pore structure is proposed for the first time. Crystallization is based on preparing pellets composed of 70 wt % of powdered SAPO-11 and 30 wt % of a silicoaluminophosphate binder that is transformed into SAPO-11 during crystallization to form a single system of silicoaluminophosphate crystal aggregates. This crystallization allows the creation of pelletized SAPO-11 characterized by a high degree of crystallinity and phase purity, specific surface area SBET of 212 m2/g and micro-, meso-, and macropore volumes of 0.08, 0.11, and 0.55 cm3/g, respectively. It is shown that meso- and macropores formed between the SAPO-11 crystal aggregates.

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Funding

This work was supported by the Russian Foundation for Basic Research, project no. 18-33-00077 mol_a.

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Authors and Affiliations

  1. Institute of Petrochemistry and Catalysis, Ufa Federal Research Center, Russian Academy of Sciences, 450075, Ufa, Republic of Bashkortostan, Russia

    M. R. Agliullin & B. I. Kutepov

  2. Ufa State Petroleum Technological University, 450000, Ufa, Republic of Bashkortostan, Russia

    Z. R. Khairullina & B. I. Kutepov

Authors
  1. M. R. Agliullin
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  2. Z. R. Khairullina
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  3. B. I. Kutepov
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Corresponding author

Correspondence to M. R. Agliullin.

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Translated by M. Timoshinina

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Agliullin, M.R., Khairullina, Z.R. & Kutepov, B.I. Crystallization of a Pelletized High-Crystallinity SAPO-11 Molecular Sieve with a Hierarchical Pore Structure. Catal. Ind. 12, 273–279 (2020). https://doi.org/10.1134/S2070050420040029

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  • DOI: https://doi.org/10.1134/S2070050420040029

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