Synthesis, Characterization and Adsorptive Properties οf Organobentonites

• Authors: N. Jović-Jovičić , A. Milutinović-Nikolić , P. Banković , B. Dojčinović , B. Nedić , I. Gržetić , D. Jovanović
• Languages of publication: EN

Abstracts

EN

In this paper partial and complete substitution of cations in the interlayer region of clay with different amounts of two aliphatic ammonium cations was performed with aim of synthesis of organobentonites with multipurpose adsorption properties. Domestic clay from Bogovina was submitted according to a common procedure used for the obtention of organobentonite, which comprises the following steps: grinding, sieving, Na-exchange, cation exchange and drying. The samples were characterized by X-ray diffraction and infrared spectroscopy. The incorporation of surfactant molecules into smectite structure lead to constant increase of d_{001} basal spacing. IR absorption bands assigned to methyl and methylene vibrations increased with the increase of surfactant/bentonite ratio and length of aliphatic chain in surfactant molecules. Adsorptive properties of the obtained materials were in accordance with their organophylicity: the adsorption of organic dye increased while the rate of removal of Pb^{2+} by adsorption decreased.

Keywords

EN

33.20.Ea; 61.05.cp; 68.43.-h; 78.40.-q; 82.65.-r

Discipline

• 68.43.-h: Chemisorption/physisorption: adsorbates on surfaces
• 61.05.cp: X-ray diffraction
• 33.20.Ea: Infrared spectra
• 78.40.-q: Absorption and reflection spectra: visible and ultraviolet(for infrared spectra, see 78.30.-j; for optical spectra of superconductors, see 74.25.nd; for time resolved reflection spectroscopy, see 78.47.jg; for multiphoton absorption, see 79.20.Ws in impact phenomena)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2010
• Volume: 117
• Issue: 5
• Pages: 849-854

Dates

published

2010-05

Contributors

author

N. Jović-Jovičić

• Institute of Chemistry Technology and Metallurgy, University of Belgrade, Department of Catalysis and Chemical Engineering, Njegoševa 12, Belgrade, Republic of Serbia

author

A. Milutinović-Nikolić

• Institute of Chemistry Technology and Metallurgy, University of Belgrade, Department of Catalysis and Chemical Engineering, Njegoševa 12, Belgrade, Republic of Serbia

author

P. Banković

• Institute of Chemistry Technology and Metallurgy, University of Belgrade, Department of Catalysis and Chemical Engineering, Njegoševa 12, Belgrade, Republic of Serbia

author

B. Dojčinović

• Institute of Chemistry Technology and Metallurgy, University of Belgrade, Department of Chemistry, Njegoševa 12, Belgrade, Republic of Serbia

author

B. Nedić

• Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12–16, Belgrade, Republic of Serbia

author

I. Gržetić

• Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, Belgrade, Republic of Serbia

author

D. Jovanović

• Institute of Chemistry Technology and Metallurgy, University of Belgrade, Department of Catalysis and Chemical Engineering, Njegoševa 12, Belgrade, Republic of Serbia

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Identifiers

DOI

10.12693/APhysPolA.117.849