Affiliation:
1. Institute of Chemistry, Technology and Metallurgy, Center for Catalysis and Chemical Engineering, Belgrade
Abstract
Bentonite from Mecji Do locality in Serbia was modified with
hexadecyltrimethylammonium bromide (HDTMA-Br), and the sample was denoted as
HDTMA-MD. The characterization of the material included X-Ray diffraction,
elemental analysis and point of zero charge determination. The adsorption of
phenol and its nitro derivatives: 2-nitrophenol (2NP), 3-nitrophenol (3NP)
and 4-nitrophenol (4NP) on HDTMA-MD was investigated. The adsorption capacity
of HDTMA-MD toward phenol derivatives increased in the following order qe
(phenol) < qe (3NP) < qe (2NP) < qe (4NP). The influence of adsorption time
and initial concentration on the adsorption efficiency of HDTMA-MD was
studied for 4NP. The data were best fitted with Langmuir isotherm model and
the pseudo-second-order kinetic model.
Funder
Ministry of Education, Science and Technological Development of the Republic of Serbia
Publisher
National Library of Serbia
Subject
Materials Chemistry,Metals and Alloys,Condensed Matter Physics,Ceramics and Composites
Cited by
5 articles.
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