<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Two series of functionalised carbonaceous adsorbents were prepared by means of oxidation and nitrogenation of commercially available activated carbon and multi-walled carbon nanotubes. The effect of nitrogen and oxygen incorporation on the textural, surface, thermal and sorption properties of the adsorbents prepared was tested. The materials were characterized by elemental analysis, low-temperature nitrogen sorption, thermogravimetric study and determination of the surface oxygen groups content. Sorptive properties of the materials obtained were characterized by the adsorption of methylene and alkali blue 6B as well as copper(II) ions. The final products were nitrogen- and oxygen-enriched mesoporous adsorbents of medium-developed surface area, showing highly diverse N and O-heteroatom contents and acidic-basic character of the surface. The results obtained in our study have proved that through a suitable choice of the modification procedure of commercial adsorbents it is possible to produce materials with high sorption capacity towards organic dyes as well as copper(II) ions.</p></abstract>

Two series of functionalised carbonaceous adsorbents were prepared by means of oxidation and nitrogenation of commercially available activated carbon and multi-walled carbon nanotubes. The effect of nitrogen and oxygen incorporation on the textural, surface, thermal and sorption properties of the adsorbents prepared was tested. The materials were characterized by elemental analysis, low-temperature nitrogen sorption, thermogravimetric study and determination of the surface oxygen groups content. Sorptive properties of the materials obtained were characterized by the adsorption of methylene and alkali blue 6B as well as copper(II) ions. The final products were nitrogen- and oxygen-enriched mesoporous adsorbents of medium-developed surface area, showing highly diverse N and O-heteroatom contents and acidic-basic character of the surface. The results obtained in our study have proved that through a suitable choice of the modification procedure of commercial adsorbents it is possible to produce materials with high sorption capacity towards organic dyes as well as copper(II) ions.

Textural, surface, thermal and sorption properties of the functionalized activated carbons and carbon nanotubes

Adam Mickiewicz University in Poznań, Faculty of Chemistry, Laboratory of Applied Chemistry, Umultowska 89b, 61-614 Poznań, Poland

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Two series of functionalised carbonaceous adsorbents were prepared by means of oxidation and nitrogenation of commercially available activated carbon and...

Textural, surface, thermal and sorption properties of the functionalized activated carbons and carbon nanotubes

Publié en ligne: 27 nov. 2015

Pages: 120 - 127

DOI: https://doi.org/10.1515/pjct-2015-0078

Mots clés
carbonaceous adsorbents, oxidation, nitrogenation, surface functional groups, thermogravimetric study, adsorption from liquid phase

© 2015 Piotr Nowicki et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Textural, surface, thermal and sorption properties of the functionalized activated carbons and carbon nanotubes

Publié en ligne: 27 nov. 2015

Pages: 120 - 127

DOI: https://doi.org/10.1515/pjct-2015-0078

Mots cléscarbonaceous adsorbents, oxidation, nitrogenation, surface functional groups, thermogravimetric study, adsorption from liquid phase

© 2015 Piotr Nowicki et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
carbonaceous adsorbents, oxidation, nitrogenation, surface functional groups, thermogravimetric study, adsorption from liquid phase