New heterogeneous catalysts based on zeolites with hierarchical pore system

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7 Citations (Scopus)

Abstract

The results of synthesis and packing of crystallized iron-containing nanosized zeolites of MFI structure in dense and loose structures having different textural properties are reported. Data on the formation of additional meso- and macropores immediately during zeolite crystallization using polystyrene microspheres in the form of an aqueous suspension (latex) and as a dry template of closely packed particles are also presented. Advantages and disadvantages of these procedures for preparing hierarchical iron-containing MFI structure zeolites have been compared. Values of the external surface area and the total pore volume of hierarchical Fe-silicalites are significantly higher than those for a reference sample. Using the polymer template to synthesize the hierarchical material consisting of zeolite nanocrystals makes it possible can significantly reduce the synthesis time and simplify the preparation procedure.

Original languageEnglish
Pages (from-to)197-204
Number of pages8
JournalPetroleum Chemistry
Volume56
Issue number3
DOIs
Publication statusPublished - 1 Mar 2016

Keywords

  • hierarchical pore system
  • iron-containing zeolites
  • micro-meso-macropores
  • synthesis

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