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https://repositorio.ufrn.br/handle/123456789/29090| Título: | Nickel oligomerization catalysts heterogenized on zeolites obtained using ionic liquids as templates |
| Autor(es): | Mignoni, Marcelo Luis Souza, Michèle Oberson de Pergher, Sibele Berenice Castellã Souza, Roberto Fernando de Bernardo-Gusmão, Katia |
| Palavras-chave: | Zeolite ZSM-5;β-Zeolite;Ionic liquid;Oligomerization |
| Data do documento: | 1-Fev-2010 |
| Editor: | Elsevier |
| Referência: | MIGNONI, Marcelo L.; SOUZA, Michèle O. de; PERGHER, Sibele B. C.; SOUZA, Roberto F. de; BERNARDO-GUSMÃO, Katia. Nickel oligomerization catalysts heterogenized on zeolites obtained using ionic liquids as templates. Applied Catalysis A: General, [s. l.], v. 374, n. 1-2, p. 26-30, fev. 2010. ISSN 0926-860X. DOI https://doi.org/10.1016/j.apcata.2009.11.017. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0926860X09007832?via%3Dihub. Acesso em: 28 maio 2020. |
| Resumo: | Synthesis of zeolites using 1-butyl-3-methylimidazolium chloride (BMI.Cl) as a template yields highly crystalline materials after a 3-day reaction time. SEM micrographs of material obtained with a Si/Al molar ratio of 50 showed formation of very regular microspherical agglomerates with approximate diameters of 30 μm composed of ZSM-5 crystallites with 3–5 μm long edges. The regular format of these crystallites has been attributed to the formation of micellar aggregates due to the ionic liquid. Decreasing the Si/Al molar ratio to 20 reduces the diameter of the microspheres to less than 1 μm. The ZSM-5 zeolites show a specific area of 384 m2 g−1 and a microporous volume of 0.10 cm3 g−1, and the β-zeolite, obtained after 7 days of crystallization, shows a specific area of 418 m2 g−1 and a microporous volume of 0.11 cm3 g−1. The β-zeolite was used as support for a nickel β-diimine complex and the system used in ethylene catalytic oligomerization reactions. |
| URI: | https://repositorio.ufrn.br/jspui/handle/123456789/29090 |
| ISSN: | 0926-860X |
| Aparece nas coleções: | IQ - Artigos publicados em periódicos |
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