REMOVAL OF DIQUATERNARY AMMONIUM CATIONS FROM AS-SYNTHESIZED SSZ-16 ZEOLITE

Authors

  • Tatana Supinkova J. Heyrovsky Institute of Physical Chemistry,Czech Academy of Sciences, Dolejskova 2155/3, Prague 8, Czech Republic Faculty of Inorganic Technologies, University of Chemistry and Technology in Prague, Technicka 5, Prague 6, Czech Republic
  • Ivan Jirka J. Heyrovsky Institute of Physical Chemistry,Czech Academy of Sciences, Dolejskova 2155/3, Prague 8, Czech Republic
  • Jan Drahokoupil Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University, Trojanova 13, Prague 2, Czech Republic Institute of Physics, Czech Academy of Sciences, Na Slovance 1999/2, Prague 8, Czech Republic
  • Jan Langmaier J. Heyrovsky Institute of Physical Chemistry,Czech Academy of Sciences, Dolejskova 2155/3, Prague 8, Czech Republic
  • Vlastimil Fila Faculty of Inorganic Technologies, University of Chemistry and Technology in Prague, Technicka 5, Prague 6, Czech Republic
  • Libor Brabec J. Heyrovsky Institute of Physical Chemistry,Czech Academy of Sciences, Dolejskova 2155/3, Prague 8, Czech Republic
  • Milan Kocirik J. Heyrovsky Institute of Physical Chemistry,Czech Academy of Sciences, Dolejskova 2155/3, Prague 8, Czech Republic

DOI:

https://doi.org/10.14311/APP.2017.9.0026

Abstract

Zeolites are stable microporous aluminosilicates with numerous applications in chemical technology such as separation of species and catalytic transformations. Our study is focused on a weakly explored zeolite SSZ-16 with pore constrictions defined by 8-membered oxygen rings. Key results are the preparation of Et6-diquat-5 dication used as a structure directing agent (SDA) and finding the optimum synthesis conditions with respect to zeolite phase purity. Stability of SDA was examined in conditions similar to those of autoclave synthesis (concentration, pH, temperature). Moreover, the content and location of SDA species in zeolite phase and conditions of SDA decomposition were investigated.

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Published

2017-07-28

Issue

Vol. 9 (2017): SSCSSP-6

Section

Articles

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