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Binderless Zeolite Coatings on Macroporous α-SiC Foams
- 1.0424654 - ÚCHP 2015 RIV NL eng J - Článek v odborném periodiku
Losch, P. - Boltz, M. - Soukup, Karel - Song, I.-H. - Yun, H.S. - Louis, B.
Binderless Zeolite Coatings on Macroporous α-SiC Foams.
Microporous and Mesoporous Materials. Roč. 188, APR (2014), s. 99-107. ISSN 1387-1811. E-ISSN 1873-3093
Grant CEP: GA MŠMT 7AMB12FR029
Grant ostatní: ANR(FR) ANR-10-JCJC-0703; ANR(FR) Barrande 26551RE
Institucionální podpora: RVO:67985858
Klíčová slova: ZSM-5 * alalcime * self-recrystallization
Kód oboru RIV: CI - Průmyslová chemie a chemické inženýrství
Impakt faktor: 3.453, rok: 2014
Several syntheses have been performed to allow the growth of zeolite crystals on a-silicon carbide supports (a-SiC). Silicon-carbide foams exhibit a duplex macroporous structure. MFI and ANA zeolites have been successfully coated on this relatively inert material. While the synthesis of MFI/SiC required the presence of an additional Si-containing source, in contrast, ANA/SiC composites have been unexpectedly obtained through the self-recrystallization of the silicon contained in the a-SiC substrate. In addition, the size of icositetrahedral ANA crystals was controlled to nearly 35 lm, thanks to SiC open cells templating effect. The different composite materials were thoroughly characterized by SEM, complete textural analysis and XRD. The amount of zeolite coating as well as the coverage by ANA zeolite crystals on SiC surface were determined by both SEM observations and adsorption measurements.
Trvalý link: http://hdl.handle.net/11104/0230700
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