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Kwiatkowski M, Fierro V, Celzard A. Numerical studies of the effects of process conditions on the development of the porous structure of adsorbents prepared by chemical activation of lignin with alkali hydroxides. J Colloid Interface Sci. 2016;486:277-286doi: 10.1016/j.jcis.2016.10.003.
Kwiatkowski, M., Fierro, V., & Celzard, A. (2017). Numerical studies of the effects of process conditions on the development of the porous structure of adsorbents prepared by chemical activation of lignin with alkali hydroxides. Journal of colloid and interface science, 486277-286. https://doi.org/10.1016/j.jcis.2016.10.003
Kwiatkowski, Mirosław, et al. "Numerical studies of the effects of process conditions on the development of the porous structure of adsorbents prepared by chemical activation of lignin with alkali hydroxides." Journal of colloid and interface science vol. 486 (2017): 277-286. doi: https://doi.org/10.1016/j.jcis.2016.10.003
Kwiatkowski M, Fierro V, Celzard A. Numerical studies of the effects of process conditions on the development of the porous structure of adsorbents prepared by chemical activation of lignin with alkali hydroxides. J Colloid Interface Sci. 2017 Jan 15;486:277-286. doi: 10.1016/j.jcis.2016.10.003. Epub 2016 Oct 04. PMID: 27721076.
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J Colloid Interface Sci. 2017 Jan 15;486:277-286. doi: 10.1016/j.jcis.2016.10.003. Epub 2016 Oct 04.

Numerical studies of the effects of process conditions on the development of the porous structure of adsorbents prepared by chemical activation of lignin with alkali hydroxides.

Journal of colloid and interface science

Mirosław Kwiatkowski, Vanessa Fierro, Alain Celzard

Affiliations

  1. AGH University of Science and Technology, Faculty of Energy and Fuels, al. A. Mickiewicza 30, 30-059 Krakow, Poland.
  2. Institut Jean Lamour, UMR CNRS - Université de Lorraine n°7198, ENSTIB, 27 rue Philippe Seguin, CS 60036, 88026 Epinal cedex, France.
  3. Institut Jean Lamour, UMR CNRS - Université de Lorraine n°7198, ENSTIB, 27 rue Philippe Seguin, CS 60036, 88026 Epinal cedex, France. Electronic address: [email protected].

PMID: 27721076 DOI: 10.1016/j.jcis.2016.10.003

Abstract

This paper presents the results of the application of the advanced LBET and QSDFT methods compared to the BET and DR approach to the comprehensive analysis of the porous structure of activated carbons obtained by chemical activation of demineralised Kraft lignin with potassium and sodium hydroxides. Based on the analysis of nitrogen adsorption isotherms, the influence of the preparation process conditions on the porous structure formation was investigated. Particularly, the impact of the type of activating agent, the activation temperature, the hydroxide to lignin mass ratio, and the flow rate of inert gas on the porous structure formation was assessed. This work proves how useful the used methods of structure analysis are when evaluating the influence of preparation conditions on the formation of the porous structure of activated carbons.

Copyright © 2016 Elsevier Inc. All rights reserved.

Keywords: Activated carbons; Adsorption; Chemical activation; Kraft lignin; Micropores

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