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Adsorption of paranitrophenol on mono, di and trialkyl surfactant intercalated organoclays -a comparative study

Frost, Ray L., He, Hongping, Zhou, Qin, & Xi, Yunfei (2007) Adsorption of paranitrophenol on mono, di and trialkyl surfactant intercalated organoclays -a comparative study. Journal of Physical Chemistry Part C: Nanomaterials and Interfaces, 111(20), pp. 7487-7493.

Abstract

Organoclays were obtained by the cationic exchange of mono, di and tri alkyl chain surfactants [hexadecyltrimethylammonium bromide (HDTMAB0), dimethyldioctadecylammonium bromide (DDOAB), ethyltrioctadecylammonium bromide (MTOAB)] for sodium ions in an aqueous solution with Na-montmorillonite. The characterization of organoclays with and without adsorbed paranitrophenol was determined by X-ray diffraction, TEM and thermal analysis. Differences in the surfaces and in the interlayer of the mono, di and tri alkyl chain organoclays resulted in differences in the adsorption efficiency for paranitrophenol with tri > di > mono >> Na-Mt.

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23 citations in Scopus
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ID Code: 7631
Item Type: Journal Article
Additional Information: This article is freely available from the American Chemical Society website 12 months after the publication date. See links to publisher website in this record.
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Keywords: montmorillonite, organoclay, high resolution thermogravimetric analysis, X, ray diffraction, transmission electron microscopy
ISSN: 1932-7455
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Colloid and Surface Chemistry (030603)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2007 American Chemical Society
Deposited On: 15 May 2007
Last Modified: 29 Feb 2012 23:36

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