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Adsorption

Erschienen in:

14.01.2016

Unusual pre-oxidized polyacrylonitrile fibres behaviour against their activation with CO₂: carbonization effect

verfasst von: G. Trautwein, M. Plaza-Recobert, J. Alcañiz-Monge

Erschienen in: Adsorption | Ausgabe 2/2016

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Abstract

The CF-PAN activation process with CO₂ has been analysed. Activation of CF-PAN with CO₂ leads to unusual results both, activation percentage evolution over the time and generated porosity development. In the explanation has been highlighted the role of the carbonization step in the CF-PAN activation process. The analysed results point to the fact that part of the released nitrogen-containing compounds during PANOX fibres carbonization are deposited on the CF surface, which affects to carbonized PAN fibres, decreasing actives sites, or acting as inhibitors of the gasification reaction.

Vorheriger Artikel Why the pore geometry model could affect the uniqueness of the PSD in AC characterization

Nächster Artikel A qualitative approach to adsorption mechanism identification on microporous carbonaceous surfaces

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Titel: Unusual pre-oxidized polyacrylonitrile fibres behaviour against their activation with CO2: carbonization effect
verfasst von: G. Trautwein
M. Plaza-Recobert
J. Alcañiz-Monge
Publikationsdatum: 14.01.2016
Verlag: Springer US
Erschienen in: Adsorption / Ausgabe 2/2016
Print ISSN: 0929-5607
Elektronische ISSN: 1572-8757
DOI: https://doi.org/10.1007/s10450-016-9757-1

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