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Synthesis of FAU type zeolite Y from natural raw materials: hydrothermal SiO2-sinter and perlite glass

Christidis Georgios, Hara Papantoni

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Extent5 pagesen
TitleSynthesis of FAU type zeolite Y from natural raw materials: hydrothermal SiO2-sinter and perlite glassen
CreatorChristidis Georgiosen
CreatorΧρηστιδης Γεωργιοςel
CreatorHara Papantonien
PublisherBentham Science Publishersen
Content SummaryThe first synthesis of pure FAU-type zeolite Y from a SiO2-sinter and perlite glass is presented. FAU-type Zeolite Y was synthesized at 95 ± 2°C after 6-12 hours using gels having SiO2:Al2O3:Na2O molar ratios of 8.4:1:4.2 and using gels with SiO2:Al2O3:Na2O molar ratios of 10.5:1:4.2 between 48 and 120 hours reaction time. Except for zeolite Y, zeolite NaPc, gmelinite-Na and the OH-analogue of sodalite were produced from starting gels with different composition. The cation exchange capacity of zeolite Y was 3.3 meq.g-1 and its specific surface area was 520-550 m2.g-1. Most of the specific surface area is allocated to micropores. Zeolite Y synthesized from gels with a SiO2:Al2O3 molar ratio of 10.5:1 has a lattice parameter parameter ao = 24.747 Å and a Si/Al ratio 2:1. It is concluded that inexpensive raw materials such as volcanic glasses can be used for the production of high added value zeolite Y.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Date of Item2015-10-01-
Date of Publication2008-
Bibliographic CitationG. E. Christidis, H. Papantoni , "Synthesis of FAU Type Zeolite Y from Natural Raw Materials: Hydrothermal SiO2-Sinter and Perlite Glas ",The Op. Mine. J. ,vol.,pp.1-5 ,2008.doi :10.2174/1874456700802010001en

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