The presented study describes macroporous crosslinked poly(glycidyl methacrylateco-ethylene glycol dimethacrylate) [PGME] functionalized with diethylenetriamine [PGME-deta] as a potential recovery agent for Mo(VI) oxyanions from aqueous solutions. Sorption studies were carried out by varying experimental conditions (pH, time, concentration, temperature). Kinetics of Mo(VI) sorption was investigated in batch (static) experiments, in the temperature range 298-343 K. Sorption dynamics data were fitted to seven chemical-reaction and particle-diffusion models. The kinetics studies showed that Mo(VI) sorption adhered to the pseudo-second-order model under all investigated operating conditions. The sorption kinetics was determined to be governed by both the intraparticle diffusion and the external film diffusion to a lesser extent. The temperature rise promotes the molybdate species removal, with the maximum experimental uptake capacity of 4.02 mmol g(-1) at 298 K, at the selected pH which is... consistent with the predominance range of hydrolized polynuclear Mo(VI) forms and optimum electrostatic attraction.
TY - JOUR
AU - Ekmeščić, Bojana
AU - Maksin, Danijela
AU - Marković, Jelena P.
AU - Vuković, Zorica M.
AU - Hercigonja, Radmila
AU - Nastasović, Aleksandra
AU - Onjia, Antonije
PY - 2019
UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4104
AB - The presented study describes macroporous crosslinked poly(glycidyl methacrylateco-ethylene glycol dimethacrylate) [PGME] functionalized with diethylenetriamine [PGME-deta] as a potential recovery agent for Mo(VI) oxyanions from aqueous solutions. Sorption studies were carried out by varying experimental conditions (pH, time, concentration, temperature). Kinetics of Mo(VI) sorption was investigated in batch (static) experiments, in the temperature range 298-343 K. Sorption dynamics data were fitted to seven chemical-reaction and particle-diffusion models. The kinetics studies showed that Mo(VI) sorption adhered to the pseudo-second-order model under all investigated operating conditions. The sorption kinetics was determined to be governed by both the intraparticle diffusion and the external film diffusion to a lesser extent. The temperature rise promotes the molybdate species removal, with the maximum experimental uptake capacity of 4.02 mmol g(-1) at 298 K, at the selected pH which is consistent with the predominance range of hydrolized polynuclear Mo(VI) forms and optimum electrostatic attraction.
PB - Elsevier, Amsterdam
T2 - Arabian Journal of Chemistry
T1 - Recovery of molybdenum oxyanions using macroporous copolymer grafted with diethylenetriamine
EP - 3638
IS - 8
SP - 3628
VL - 12
DO - 10.1016/j.arabjc.2015.11.010
ER -
@article{
author = "Ekmeščić, Bojana and Maksin, Danijela and Marković, Jelena P. and Vuković, Zorica M. and Hercigonja, Radmila and Nastasović, Aleksandra and Onjia, Antonije",
year = "2019",
abstract = "The presented study describes macroporous crosslinked poly(glycidyl methacrylateco-ethylene glycol dimethacrylate) [PGME] functionalized with diethylenetriamine [PGME-deta] as a potential recovery agent for Mo(VI) oxyanions from aqueous solutions. Sorption studies were carried out by varying experimental conditions (pH, time, concentration, temperature). Kinetics of Mo(VI) sorption was investigated in batch (static) experiments, in the temperature range 298-343 K. Sorption dynamics data were fitted to seven chemical-reaction and particle-diffusion models. The kinetics studies showed that Mo(VI) sorption adhered to the pseudo-second-order model under all investigated operating conditions. The sorption kinetics was determined to be governed by both the intraparticle diffusion and the external film diffusion to a lesser extent. The temperature rise promotes the molybdate species removal, with the maximum experimental uptake capacity of 4.02 mmol g(-1) at 298 K, at the selected pH which is consistent with the predominance range of hydrolized polynuclear Mo(VI) forms and optimum electrostatic attraction.",
publisher = "Elsevier, Amsterdam",
journal = "Arabian Journal of Chemistry",
title = "Recovery of molybdenum oxyanions using macroporous copolymer grafted with diethylenetriamine",
pages = "3638-3628",
number = "8",
volume = "12",
doi = "10.1016/j.arabjc.2015.11.010"
}
Ekmeščić, B., Maksin, D., Marković, J. P., Vuković, Z. M., Hercigonja, R., Nastasović, A.,& Onjia, A.. (2019). Recovery of molybdenum oxyanions using macroporous copolymer grafted with diethylenetriamine. in Arabian Journal of Chemistry
Elsevier, Amsterdam., 12(8), 3628-3638.
https://doi.org/10.1016/j.arabjc.2015.11.010
Ekmeščić B, Maksin D, Marković JP, Vuković ZM, Hercigonja R, Nastasović A, Onjia A. Recovery of molybdenum oxyanions using macroporous copolymer grafted with diethylenetriamine. in Arabian Journal of Chemistry. 2019;12(8):3628-3638.
doi:10.1016/j.arabjc.2015.11.010 .
Ekmeščić, Bojana, Maksin, Danijela, Marković, Jelena P., Vuković, Zorica M., Hercigonja, Radmila, Nastasović, Aleksandra, Onjia, Antonije, "Recovery of molybdenum oxyanions using macroporous copolymer grafted with diethylenetriamine" in Arabian Journal of Chemistry, 12, no. 8 (2019):3628-3638,
https://doi.org/10.1016/j.arabjc.2015.11.010 . .
