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Type: Artigo de evento
Title: The Transformation Of Lamellar Alpo-kanemite Into Chabazite-type Cal-1 3d Molecular Sieve: A Structural Study
Author: Milanesio M.
Croce G.
Frache A.
Marchese L.
Viterbo D.
Da Silva C.E.
Oliveira E.C.
Pastore H.O.
Abstract: The preparation of a new molecular sieve, CAL-1, was recently reported. It presented a chabazite-type structure and was prepared starting from a lamellar aluminophosphate (ALPO-ntu), analogous to silica kanemite, and hexamethyleneimine as structure directing agent. Calcination of CAL-1 causes the transformation to H-SAPO-34, a molecular sieve for acid-catalyzed methanol-to-olefins reactions. An ex-situ high-resolution synchrotron radiation X-ray powder diffraction experiment allowed to monitor the relevant steps of the ALPO-ntu to CAL-1 transformation and its subsequent calcination to H-SAPO-34. © 2005 Elsevier B.V. All rights reserved.
Citation: Studies In Surface Science And Catalysis. , v. 158 A, n. , p. 311 - 318, 2005.
Rights: fechado
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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