Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/93276
Type: Artigo de evento
Title: Vanadium-modified Mcm-22 Zeolite
Author: Albuquerque A.
Pastore H.O.
Marchese L.
Abstract: The synthesis and the characterization of a novel vanadoaluminosilicate, V-MCM-22, with MWW structure, and of vanadyl-exchanged MCM-22 zeolite, [VO]-MCM-22, have been performed. V-MCM-22 was prepared using VOSO4 in the synthesis gel (H+ or Na+-exchanged samples were also prepared), while [VO]-MCM-22 was prepared by ion-exchange of MCM-22 with VO2+ ions. The materials were characterized by X-ray diffraction (XRD) and thermogravimetry (TGA). The presence of redox sites (V 4+/V5+ couples) was monitored by diffuse reflectance (DR) UV-Vis spectroscopy of oxidized (in O2 at 580°C) and reduced (in H2 at 500°C) samples. © 2005 Elsevier B.V. All rights reserved.
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Rights: fechado
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-30944456063&partnerID=40&md5=3fe2d88a0e50b08cf44ef7b9d7a1f2f7
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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