Structural changes in SAPO-34 due to hydrothermal treatment. A NMR, XRD, and DRIFTS study
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- 作者：Bjø ; rnar Arstada ; bjornar.arstad@sintef.no" class="auth_mail" title="E-mail the corresponding author ; Anna Linda ; Jasmina H. Cavkaa ; Knut Thorshauga ; Duncan Akporiayea ; David Wraggb ; Helmer Fjellvå ; gb ; Arne Grø ; nvoldc ; Terje Fuglerudc
- 关键词：29Si enriched SAPO-34 ; 29Si NMR ; DRIFTS ; XRD ; Hydrothermal treatment
- 刊名：Microporous and Mesoporous Materials
- 出版年：2016
- 出版时间：1 May 2016
- 年：2016
- 卷：225
- 期：Complete
- 页码：421-431
- 全文大小：1878 K
文摘
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Synthesis of 29Si enriched SAPO-34 materials.
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29Si NMR reveals information on new Si-aggregates/island formed during steaming.
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XRD shows a unit cell contraction after steaming.
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DRIFTS indicate several Brønsted acidic sites, but no major changes after steaming.