Author(s):
1. Zvjezdana Sandić, Prirodno-matematički fakultet Banja Luka, Republic of Srpska, Bosnia and Herzegovina
2. Bojana Marković, Univerzitet u Beogradu, NU Institut za hemiju, tehnologiju i metalurgiju, Serbia
3. Dijana Mihajlović, University of Banja Luka, Faculty of Architecture, Civil Engineering and Geodesy, Bosnia and Herzego, Republic of Srpska, Bosnia and Herzegovina
4. Ines Miljanović, Prirodno-matematički fakultet Banja Luka, Republic of Srpska, Bosnia and Herzegovina
5. Ivan Stefanović, Univerzitet u Beogradu, NU Institut za hemiju, tehnologiju i metalurgiju, Serbia
6. Jasna DŽunuzović, Univerzitet u Beogradu, NU Institut za hemiju, tehnologiju i metalurgiju, Serbia
7. Aleksandra Nastasović, Univerzitet u Beogradu, Inovacioni centar Tehnolosko-metalurskog fakulteta, Serbia

Abstract:
In this study, macroporous magnetic poly(glycidyl methacrylate-co-ethylene glycol dimethacrylate)/bentonite composite functionalized with hexamethylene diamine (SGE/MB-HD) was tested as potential Cr(VI) sorbent from aqueous solutions. The sorption kinetics and adsorption isotherms were studied according to the data obtained in static experiments with different initial Cr(VI) concentration at room temperature and pH = 2.0. The Cr(VI) sorption obeys the pseudo-second-order model with definite influence of pore diffusion. Desorption experiments show that chromium anion sorption was reversible and the SGE/MB-HD was easily regenerated with 0.1 mol/dm3 NaOH.

Key words:
macroporous composite, magnetite, bentonite, Cr(VI)

Thematic field:
SYMPOSIUM A - Science of matter, condensed matter and physics of solid states

Date of abstract submission:
31.07.2019.

Conference:
Contemporary Materials 2019 - Savremeni Materijali

Applied paper from author