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Modeling of adsorption of anionic surfactants onto cationized lignocellulosic materials
Author(s) -
Zghida Haïfa,
Gauthier Robert,
Helal Ahmed,
Bartegi Aghlab
Publication year - 2005
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.22288
Subject(s) - adsorption , cationic polymerization , freundlich equation , langmuir , chemistry , sodium dodecyl sulfate , sawdust , sodium , sulfonate , nuclear chemistry , inorganic chemistry , polymer chemistry , organic chemistry
Cationized lignocellulosic materials (cotton fibers, wood sawdust, and maize‐cob flour) are prepared by grafting quaternary ammonium groups for use as scavengers for anionic surfactants. Generally, rapid adsorption occurs and at saturation leads to a stoichiometric ratio of cationic sites and anionic surfactants such as sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, and sodium oleate. Modeling of these adsorptions is tested using Langmuir, Freundlich, or Jossens equations, the latter giving the best fit with experimental data. The results are compared with the adsorption of chromate and dichromate anions on the same sorbents. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 99: 82–87, 2006