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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Preparation and characterisation of raw chars and physically activated carbons derived from marine Posidonia oceanica (L.) fibres
Journal of Hazardous Materials, Volume 165, No. 1-3, Year 2009
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Description
Industrial valorisation of low cost and renewable biomass as raw precursor of activated carbon for environmental applications is an interesting alternative to costly commercial activated carbons. In this study, the possible use of Mediterranean, Posidonia oceanica fibrous biomass, as a precursor for chars and physically activated carbons, is investigated. Firstly, the raw marine material was chemically and biochemically characterised throughout dry-basis elemental, X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) analysis. Then, several P. oceanica chars were prepared and characterised under different pyrolysis times and temperatures. In addition, physically activated carbons (PACs) were produced via water steam flow under various activation periods. The results showed that the pyrolysis induces the creation of pores at different levels with respect to the involved temperature. Thereafter, the physical activation tends to enhance the development of the porous structure. In that issue, the performed Brunauer-Emmett-Teller (BET) and Barrett-Joiner-Halenda (BJH) analysis revealed that the prepared PACs have a mainly mesoporous inner morphology with a varying fraction of micropores. © 2008 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Ncibi, Mohamed Chaker
Tunisia, Sousse
Institut Supérieur Agronomique de Chott Mériem
Tunisia, Sousse
Unité de Recherche Chimie Appliquée et Environnement
France, Pointe-a-pitre
Universite Des Antilles et de la Guyane
Jeanne-Rose, V.
France, Pointe-a-pitre
Universite Des Antilles et de la Guyane
Mahjoub, Borhane
Tunisia, Sousse
Institut Supérieur Agronomique de Chott Mériem
Tunisia, Sousse
Unité de Recherche Chimie Appliquée et Environnement
Jean-Marius, C.
France, Pointe-a-pitre
Universite Des Antilles et de la Guyane
Lambert, J.
France, Villers-les-nancy
Laboratoire de Chimie Physique et Microbiologie Pour Les Matériaux et L’environnement
Ehrhardt, J. J.
France, Villers-les-nancy
Laboratoire de Chimie Physique et Microbiologie Pour Les Matériaux et L’environnement
Bercion, Y.
France, Pointe-a-pitre
Universite Des Antilles et de la Guyane
Seffen, Mongi
Tunisia, Sousse
Institut Supérieur Agronomique de Chott Mériem
Tunisia, Sousse
Unité de Recherche Chimie Appliquée et Environnement
Gaspard, Sarra
France, Pointe-a-pitre
Universite Des Antilles et de la Guyane
Statistics
Citations: 77
Authors: 9
Affiliations: 4
Identifiers
Doi:
10.1016/j.jhazmat.2008.09.126
ISSN:
03043894
Research Areas
Environmental