On the role of the stability of functional groups in multi-walled carbon nanotubes applied as support in iron-based high-temperature Fischer-Tropsch synthesis
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- 作者：Ly May Chew ; Wei Xia ; Hendrik Dü ; dder ; Philipp Weide ; Holger Ruland ; Martin Muhler ; muhler@techem.rub.de" class="auth_mail" title="E-mail the corresponding author
- 关键词：High-temperature Fischer&ndash ; Tropsch synthesis ; Iron-oxide based catalysts ; Multi-walled carbon nanotubes ; Surface functional groups
- 刊名：Catalysis Today
- 出版年：2016
- 出版时间：15 July 2016
- 年：2016
- 卷：270
- 期：Complete
- 页码：85-92
- 全文大小：2485 K
文摘
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Oxygen-functionalized carbon nanotubes were applied in Fischer–Tropsch synthesis.
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The initial activity loss of Fe/OCNTs at 340 °C is due to sintering.
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Further deactivation is due to carbon encapsulation.
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Thermally stable functional groups were obtained by reducing OCNTs in ammonia.
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Removing labile oxygen groups also led to improved activity and stability.