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REMOVAL OF DIQUATERNARY AMMONIUM CATIONS FROM AS-SYNTHESIZED SSZ-16 ZEOLITE
- 1.0479838 - ÚFCH JH 2018 RIV CZ eng J - Článek v odborném periodiku
Supiňková, Taťána - Jirka, Ivan - Drahokoupil, Jan - Langmaier, Jan - Fíla, V. - Brabec, Libor - Kočiřík, Milan
REMOVAL OF DIQUATERNARY AMMONIUM CATIONS FROM AS-SYNTHESIZED SSZ-16 ZEOLITE.
Acta Polytechnica CTU proceedings. Roč. 9, č. 2017 (2017), s. 26-31. E-ISSN 2336-5382
Grant CEP: GA ČR(CZ) GA16-02681S
Institucionální podpora: RVO:61388955 ; RVO:68378271
Klíčová slova: zeolite * hydrothermal synthesis * SSZ-16
Obor OECD: Physical chemistry; Condensed matter physics (including formerly solid state physics, supercond.) (FZU-D)
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.
Trvalý link: http://hdl.handle.net/11104/0275763
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