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Influence of a cationic surfactant on adsorption of p-nitrophenol by a magsorbent based on magnetic alginate beads

Abstract : The paper focuses on the removal of p-nitrophenol by an adsorption process. A magnetic adsorbent was synthesized by encapsulation of magnetic functionalized nanoparticles using alginate as a green biopolymer matrix. A cationic surfactant, cetylpyridinium chloride (CPyCl), was used to confer a hydrophobic character to the magnetic beads and thus to promote their adsorption efficiency. The effect of different parameters such as initial concentrations of both PNP and CPyCl, contact time and solution pH value on the adsorption of PNP in the presence of CPyCl was investigated. It should be noted that combination of magnetic and adsorption properties in a same material is an interesting challenge which could overcome the recovery problems of pollutant-loaded adsorbent.
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Submitted on : Wednesday, July 15, 2015 - 9:44:35 AM
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Layaly Obeid, Nadia El Kolli, Delphine Talbot, Mathias Welschbillig, Agnès Bée. Influence of a cationic surfactant on adsorption of p-nitrophenol by a magsorbent based on magnetic alginate beads. Journal of Colloid and Interface Science, Elsevier, 2015, 457 (2015-11-01), pp.218-224. ⟨10.1016/j.jcis.2015.07.017⟩. ⟨hal-01176196⟩

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