Physics and Chemistry with Ion Beams

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Physics and Chemistry with Ion Beams (en)
Физика и хемија са јонским сноповима (sr)
Fizika i hemija sa jonskim snopovima (sr_RS)
Authors

Publications

Self-limiting interactions in 2D–0D system: A case study of graphene oxide and 12-tungstophosphoric acid nanocomposite

Jovanović, Zoran; Mravik, Željko; Bajuk Bogdanović, Danica; Jovanović, Sonja; Marković, Smilja; Vujković, Milica; Kovač, Janez; Vengust, Damjan; Uskoković-Marković, Snežana; Holclajtner Antunović, Ivanka

(2020)

TY  - JOUR
AU  - Jovanović, Zoran
AU  - Mravik, Željko
AU  - Bajuk Bogdanović, Danica
AU  - Jovanović, Sonja
AU  - Marković, Smilja
AU  - Vujković, Milica
AU  - Kovač, Janez
AU  - Vengust, Damjan
AU  - Uskoković-Marković, Snežana
AU  - Holclajtner Antunović, Ivanka
PY  - 2020
UR  - http://dais.sanu.ac.rs/123456789/6882
AB  - In the present study we investigated the interaction between 12-tungstophosphoric acid (WPA) and graphene oxide (GO) in their nanocomposite by utilizing the loading of WPA as an intrinsic parameter for interaction tuning. The Fourier-transform infrared spectroscopy, temperature-programmed desorption, X-ray photoelectron spectroscopy, zeta-potential measurements, thermogravimetric analysis, X-ray diffraction, Raman spectroscopy and transmission electron microscopy methods revealed that ∼5–13 wt% of WPA represents critical loading that separates two distinct contributions to GO-WPA interaction. This was explained by the self-limiting nature of GO-WPA interaction, initially controlled by high dispersion of WPA on GO (up to 13 wt%), that is eventually overpowered by WPA-WPA interaction as loading increases. As a result, the WPA agglomerates are being formed because of which the hybrid character of the nanocomposite diminishes, i.e., the properties of independent components start to be manifested to greater extent. The obtained results provide an important framework for considering possible outcomes in other 2D-0D systems, whose interaction is relevant both from fundamental and applicative point of view. Thus, the GO/WPA nanocomposite illustrates how the interactions between the components can be used for tuning the properties of nanocomposite as a whole.
T2  - Carbon
T1  - Self-limiting interactions in 2D–0D system: A case study of graphene oxide and 12-tungstophosphoric acid nanocomposite
SP  - 166
EP  - 178
VL  - 156
DO  - 10.1016/j.carbon.2019.09.072
UR  - https://hdl.handle.net/21.15107/rcub_dais_6882
ER  - 
@article{
author = "Jovanović, Zoran and Mravik, Željko and Bajuk Bogdanović, Danica and Jovanović, Sonja and Marković, Smilja and Vujković, Milica and Kovač, Janez and Vengust, Damjan and Uskoković-Marković, Snežana and Holclajtner Antunović, Ivanka",
year = "2020",
abstract = "In the present study we investigated the interaction between 12-tungstophosphoric acid (WPA) and graphene oxide (GO) in their nanocomposite by utilizing the loading of WPA as an intrinsic parameter for interaction tuning. The Fourier-transform infrared spectroscopy, temperature-programmed desorption, X-ray photoelectron spectroscopy, zeta-potential measurements, thermogravimetric analysis, X-ray diffraction, Raman spectroscopy and transmission electron microscopy methods revealed that ∼5–13 wt% of WPA represents critical loading that separates two distinct contributions to GO-WPA interaction. This was explained by the self-limiting nature of GO-WPA interaction, initially controlled by high dispersion of WPA on GO (up to 13 wt%), that is eventually overpowered by WPA-WPA interaction as loading increases. As a result, the WPA agglomerates are being formed because of which the hybrid character of the nanocomposite diminishes, i.e., the properties of independent components start to be manifested to greater extent. The obtained results provide an important framework for considering possible outcomes in other 2D-0D systems, whose interaction is relevant both from fundamental and applicative point of view. Thus, the GO/WPA nanocomposite illustrates how the interactions between the components can be used for tuning the properties of nanocomposite as a whole.",
journal = "Carbon",
title = "Self-limiting interactions in 2D–0D system: A case study of graphene oxide and 12-tungstophosphoric acid nanocomposite",
pages = "166-178",
volume = "156",
doi = "10.1016/j.carbon.2019.09.072",
url = "https://hdl.handle.net/21.15107/rcub_dais_6882"
}
Jovanović, Z., Mravik, Ž., Bajuk Bogdanović, D., Jovanović, S., Marković, S., Vujković, M., Kovač, J., Vengust, D., Uskoković-Marković, S.,& Holclajtner Antunović, I.. (2020). Self-limiting interactions in 2D–0D system: A case study of graphene oxide and 12-tungstophosphoric acid nanocomposite. in Carbon, 156, 166-178.
https://doi.org/10.1016/j.carbon.2019.09.072
https://hdl.handle.net/21.15107/rcub_dais_6882
Jovanović Z, Mravik Ž, Bajuk Bogdanović D, Jovanović S, Marković S, Vujković M, Kovač J, Vengust D, Uskoković-Marković S, Holclajtner Antunović I. Self-limiting interactions in 2D–0D system: A case study of graphene oxide and 12-tungstophosphoric acid nanocomposite. in Carbon. 2020;156:166-178.
doi:10.1016/j.carbon.2019.09.072
https://hdl.handle.net/21.15107/rcub_dais_6882 .
Jovanović, Zoran, Mravik, Željko, Bajuk Bogdanović, Danica, Jovanović, Sonja, Marković, Smilja, Vujković, Milica, Kovač, Janez, Vengust, Damjan, Uskoković-Marković, Snežana, Holclajtner Antunović, Ivanka, "Self-limiting interactions in 2D–0D system: A case study of graphene oxide and 12-tungstophosphoric acid nanocomposite" in Carbon, 156 (2020):166-178,
https://doi.org/10.1016/j.carbon.2019.09.072 .,
https://hdl.handle.net/21.15107/rcub_dais_6882 .
5
3
5

Study of the interaction between graphene oxide and 12-tungstophosphoric acid in their nanocomposite

Mravik, Željko; Bajuk Bogdanović, Danica; Marković, Smilja; Kovač, Janez; Holclajtner Antunović, Ivanka; Jovanović, Zoran

(Belgrade : Materials Research Society of Serbia, 2018)

TY  - CONF
AU  - Mravik, Željko
AU  - Bajuk Bogdanović, Danica
AU  - Marković, Smilja
AU  - Kovač, Janez
AU  - Holclajtner Antunović, Ivanka
AU  - Jovanović, Zoran
PY  - 2018
UR  - http://dais.sanu.ac.rs/123456789/3666
AB  - The rich surface chemistry and large surface area of graphene oxide (GO) provide a platform for various functional materials that synergistically enhance charge storage properties of the composite. In present work we have investigated interaction between GO and 12- thungstophosphoric acid (WPA) in their nanocomposites as a function of different mass ratio of constituents. For this purpose, the Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectrometry (XPS), temperature programmed desorption method (TPD) and thermogravimetric/differential thermal analysis (TGA-DTA) methods were used. FTIR spectra have shown shifts and splitting of characteristic bands of WPA as a result of interactions with GO. Both XPS and TPD methods have shown an initial decrease of the total amount of surface oxygen groups of GO, with a minimum at around 10 wt.% of WPA, above which a restoration of the amount of surface oxygen groups was noticed. TGA-DTA analysis revealed an improved thermal stability of the material up to 25 wt.% of WPA; at higher loading of WPA the thermal properties of nanocomposite became alike to the ones of individual components. The obtained results suggest optimal conditions for preparation of GO-WPA nanocomposites for electrochemical charge storage applications.
PB  - Belgrade : Materials Research Society of Serbia
C3  - Programme and The Book of Abstracts / Twentieth Annual Conference YUCOMAT 2018, Herceg Novi, September 3-7, 2018
T1  - Study of the interaction between graphene oxide and 12-tungstophosphoric acid in their nanocomposite
SP  - 110
EP  - 110
UR  - https://hdl.handle.net/21.15107/rcub_dais_3666
ER  - 
@conference{
author = "Mravik, Željko and Bajuk Bogdanović, Danica and Marković, Smilja and Kovač, Janez and Holclajtner Antunović, Ivanka and Jovanović, Zoran",
year = "2018",
abstract = "The rich surface chemistry and large surface area of graphene oxide (GO) provide a platform for various functional materials that synergistically enhance charge storage properties of the composite. In present work we have investigated interaction between GO and 12- thungstophosphoric acid (WPA) in their nanocomposites as a function of different mass ratio of constituents. For this purpose, the Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectrometry (XPS), temperature programmed desorption method (TPD) and thermogravimetric/differential thermal analysis (TGA-DTA) methods were used. FTIR spectra have shown shifts and splitting of characteristic bands of WPA as a result of interactions with GO. Both XPS and TPD methods have shown an initial decrease of the total amount of surface oxygen groups of GO, with a minimum at around 10 wt.% of WPA, above which a restoration of the amount of surface oxygen groups was noticed. TGA-DTA analysis revealed an improved thermal stability of the material up to 25 wt.% of WPA; at higher loading of WPA the thermal properties of nanocomposite became alike to the ones of individual components. The obtained results suggest optimal conditions for preparation of GO-WPA nanocomposites for electrochemical charge storage applications.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "Programme and The Book of Abstracts / Twentieth Annual Conference YUCOMAT 2018, Herceg Novi, September 3-7, 2018",
title = "Study of the interaction between graphene oxide and 12-tungstophosphoric acid in their nanocomposite",
pages = "110-110",
url = "https://hdl.handle.net/21.15107/rcub_dais_3666"
}
Mravik, Ž., Bajuk Bogdanović, D., Marković, S., Kovač, J., Holclajtner Antunović, I.,& Jovanović, Z.. (2018). Study of the interaction between graphene oxide and 12-tungstophosphoric acid in their nanocomposite. in Programme and The Book of Abstracts / Twentieth Annual Conference YUCOMAT 2018, Herceg Novi, September 3-7, 2018
Belgrade : Materials Research Society of Serbia., 110-110.
https://hdl.handle.net/21.15107/rcub_dais_3666
Mravik Ž, Bajuk Bogdanović D, Marković S, Kovač J, Holclajtner Antunović I, Jovanović Z. Study of the interaction between graphene oxide and 12-tungstophosphoric acid in their nanocomposite. in Programme and The Book of Abstracts / Twentieth Annual Conference YUCOMAT 2018, Herceg Novi, September 3-7, 2018. 2018;:110-110.
https://hdl.handle.net/21.15107/rcub_dais_3666 .
Mravik, Željko, Bajuk Bogdanović, Danica, Marković, Smilja, Kovač, Janez, Holclajtner Antunović, Ivanka, Jovanović, Zoran, "Study of the interaction between graphene oxide and 12-tungstophosphoric acid in their nanocomposite" in Programme and The Book of Abstracts / Twentieth Annual Conference YUCOMAT 2018, Herceg Novi, September 3-7, 2018 (2018):110-110,
https://hdl.handle.net/21.15107/rcub_dais_3666 .

Surface chemistry, thermal stability and structural properties of graphene oxide/12-tungstophosphoric acid nanocomposite

Mravik, Željko; Bajuk Bogdanović, Danica; Marković, Smilja; Holclajtner Antunović, Ivanka; Jovanović, Zoran

(Belgrade : Institute of Technical Sciences of SASA, 2017)

TY  - CONF
AU  - Mravik, Željko
AU  - Bajuk Bogdanović, Danica
AU  - Marković, Smilja
AU  - Holclajtner Antunović, Ivanka
AU  - Jovanović, Zoran
PY  - 2017
UR  - http://dais.sanu.ac.rs/123456789/15450
AB  - In recent years the nanocomposites of graphene oxide (GO) and different inorganic and organic compounds have shown great potential for charge storage applications. In present work we have investigated the influence of 12-tungstophosphoric acid (WPA) on surface chemistry of graphene oxide and thermal stability of nanocomposite. For this purpose nanocomposites with different mass ratios of GO and WPA were prepared. The thermal stability of nanocomposites was investigated by thermogravimetric and differential thermal analysis (TGA-DTA) while changes in surface chemistry of GO and structural properties of WPA were investigated by Fourier transform infrared spectroscopy (FTIR) and temperature programmed desorption (TPD) method. The TGA-DTA measurements of composites have shown that the major mass loss, due to carbon combustion, is shifted to higher temperatures (~500 °C vs. 380 °C of pure GO). Furthermore, when the amount of WPA is higher than 25 mass percent the nanocomposites start to act like individual components, which was also confirmed by FTIR analysis. The amount of surface oxygen groups, monitored by both TPD and FTIR methods, showed ˝V˝ shaped dependence from the quantity of WPA with minimum at about 12 mass percent of WPA. At the same time, the FTIR spectra revealed the structural changes of WPA, displayed as shifting and splitting of characteristic bands of Keggin anion structure.
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - Program and the Book of Abstracts / Sixteenth Young Researchers' Conference Materials Sciences and Engineering, December 6-8, 2017, Belgrade, Serbia
T1  - Surface chemistry, thermal stability and structural properties of graphene oxide/12-tungstophosphoric acid nanocomposite
SP  - 48
EP  - 48
UR  - https://hdl.handle.net/21.15107/rcub_dais_15450
ER  - 
@conference{
author = "Mravik, Željko and Bajuk Bogdanović, Danica and Marković, Smilja and Holclajtner Antunović, Ivanka and Jovanović, Zoran",
year = "2017",
abstract = "In recent years the nanocomposites of graphene oxide (GO) and different inorganic and organic compounds have shown great potential for charge storage applications. In present work we have investigated the influence of 12-tungstophosphoric acid (WPA) on surface chemistry of graphene oxide and thermal stability of nanocomposite. For this purpose nanocomposites with different mass ratios of GO and WPA were prepared. The thermal stability of nanocomposites was investigated by thermogravimetric and differential thermal analysis (TGA-DTA) while changes in surface chemistry of GO and structural properties of WPA were investigated by Fourier transform infrared spectroscopy (FTIR) and temperature programmed desorption (TPD) method. The TGA-DTA measurements of composites have shown that the major mass loss, due to carbon combustion, is shifted to higher temperatures (~500 °C vs. 380 °C of pure GO). Furthermore, when the amount of WPA is higher than 25 mass percent the nanocomposites start to act like individual components, which was also confirmed by FTIR analysis. The amount of surface oxygen groups, monitored by both TPD and FTIR methods, showed ˝V˝ shaped dependence from the quantity of WPA with minimum at about 12 mass percent of WPA. At the same time, the FTIR spectra revealed the structural changes of WPA, displayed as shifting and splitting of characteristic bands of Keggin anion structure.",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "Program and the Book of Abstracts / Sixteenth Young Researchers' Conference Materials Sciences and Engineering, December 6-8, 2017, Belgrade, Serbia",
title = "Surface chemistry, thermal stability and structural properties of graphene oxide/12-tungstophosphoric acid nanocomposite",
pages = "48-48",
url = "https://hdl.handle.net/21.15107/rcub_dais_15450"
}
Mravik, Ž., Bajuk Bogdanović, D., Marković, S., Holclajtner Antunović, I.,& Jovanović, Z.. (2017). Surface chemistry, thermal stability and structural properties of graphene oxide/12-tungstophosphoric acid nanocomposite. in Program and the Book of Abstracts / Sixteenth Young Researchers' Conference Materials Sciences and Engineering, December 6-8, 2017, Belgrade, Serbia
Belgrade : Institute of Technical Sciences of SASA., 48-48.
https://hdl.handle.net/21.15107/rcub_dais_15450
Mravik Ž, Bajuk Bogdanović D, Marković S, Holclajtner Antunović I, Jovanović Z. Surface chemistry, thermal stability and structural properties of graphene oxide/12-tungstophosphoric acid nanocomposite. in Program and the Book of Abstracts / Sixteenth Young Researchers' Conference Materials Sciences and Engineering, December 6-8, 2017, Belgrade, Serbia. 2017;:48-48.
https://hdl.handle.net/21.15107/rcub_dais_15450 .
Mravik, Željko, Bajuk Bogdanović, Danica, Marković, Smilja, Holclajtner Antunović, Ivanka, Jovanović, Zoran, "Surface chemistry, thermal stability and structural properties of graphene oxide/12-tungstophosphoric acid nanocomposite" in Program and the Book of Abstracts / Sixteenth Young Researchers' Conference Materials Sciences and Engineering, December 6-8, 2017, Belgrade, Serbia (2017):48-48,
https://hdl.handle.net/21.15107/rcub_dais_15450 .

Influence of ageing of milled clay and its composite with TiO2on the heavy metal adsorption characteristics

Đukić, Anđelka B.; Kumrić, Ksenija R.; Vukelić, Nikola S.; Stojanović, Zoran S.; Stojmenović, Marija D.; Milošević, Sanja S.; Matović, Ljiljana Lj.

(Elsevier, 2015)

TY  - JOUR
AU  - Đukić, Anđelka B.
AU  - Kumrić, Ksenija R.
AU  - Vukelić, Nikola S.
AU  - Stojanović, Zoran S.
AU  - Stojmenović, Marija D.
AU  - Milošević, Sanja S.
AU  - Matović, Ljiljana Lj.
PY  - 2015
UR  - http://dais.sanu.ac.rs/123456789/3526
AB  - The aim of the present study was to investigate the effect of ageing of mechanochemically synthesized clay and its TiO2composite on the simultaneous removal of Pb(II), Cd(II), Cu(II) and Zn(II) ions from acidic aqueous solutions. The effect of different ageing times on sorption behavior of 1, 2, 10 and 19 h milled clays, as well as the clay composite with 20 wt% of amorphous TiO2(TiO2,a), was investigated. Ageing of the milled clays has stronger influence on the removal of Zn(II) and Cd(II) than on the removal of Pb(II) and Cu(II) ions. Ageing is particularly pronounced for the samples milled for 1, 2 and 10 h (which lost enhanced sorption properties after 3 months of ageing), and less pronounced for the samples milled longer period of time, 19 h (which retained sorption properties until 6 months). After these periods of time sorption capacities became nearly the same as the sorption capacities of the raw (unmilled) clay. The different responses on the ageing process of milled clays and composite are a consequence of microstructural changes such as recrystallization of montmorillonite phase and decrease in particle sizes. Slower ageing of composite compare to the milled clays can be related to the stabilization effect of TiO2particles which are dispersed in the clay matrix thus preventing recrystallization of the sample particles. Only a slight tendency towards the formation of agglomerations was noticed after 12 months of ageing. © 2014 Elsevier Ltd and Techna Group S.r.l.
PB  - Elsevier
T2  - Ceramics International
T1  - Influence of ageing of milled clay and its composite with TiO2on the heavy metal adsorption characteristics
SP  - 5129
EP  - 5137
VL  - 41
IS  - 3
DO  - 10.1016/j.ceramint.2014.12.085
UR  - https://hdl.handle.net/21.15107/rcub_dais_3526
ER  - 
@article{
author = "Đukić, Anđelka B. and Kumrić, Ksenija R. and Vukelić, Nikola S. and Stojanović, Zoran S. and Stojmenović, Marija D. and Milošević, Sanja S. and Matović, Ljiljana Lj.",
year = "2015",
abstract = "The aim of the present study was to investigate the effect of ageing of mechanochemically synthesized clay and its TiO2composite on the simultaneous removal of Pb(II), Cd(II), Cu(II) and Zn(II) ions from acidic aqueous solutions. The effect of different ageing times on sorption behavior of 1, 2, 10 and 19 h milled clays, as well as the clay composite with 20 wt% of amorphous TiO2(TiO2,a), was investigated. Ageing of the milled clays has stronger influence on the removal of Zn(II) and Cd(II) than on the removal of Pb(II) and Cu(II) ions. Ageing is particularly pronounced for the samples milled for 1, 2 and 10 h (which lost enhanced sorption properties after 3 months of ageing), and less pronounced for the samples milled longer period of time, 19 h (which retained sorption properties until 6 months). After these periods of time sorption capacities became nearly the same as the sorption capacities of the raw (unmilled) clay. The different responses on the ageing process of milled clays and composite are a consequence of microstructural changes such as recrystallization of montmorillonite phase and decrease in particle sizes. Slower ageing of composite compare to the milled clays can be related to the stabilization effect of TiO2particles which are dispersed in the clay matrix thus preventing recrystallization of the sample particles. Only a slight tendency towards the formation of agglomerations was noticed after 12 months of ageing. © 2014 Elsevier Ltd and Techna Group S.r.l.",
publisher = "Elsevier",
journal = "Ceramics International",
title = "Influence of ageing of milled clay and its composite with TiO2on the heavy metal adsorption characteristics",
pages = "5129-5137",
volume = "41",
number = "3",
doi = "10.1016/j.ceramint.2014.12.085",
url = "https://hdl.handle.net/21.15107/rcub_dais_3526"
}
Đukić, A. B., Kumrić, K. R., Vukelić, N. S., Stojanović, Z. S., Stojmenović, M. D., Milošević, S. S.,& Matović, L. Lj.. (2015). Influence of ageing of milled clay and its composite with TiO2on the heavy metal adsorption characteristics. in Ceramics International
Elsevier., 41(3), 5129-5137.
https://doi.org/10.1016/j.ceramint.2014.12.085
https://hdl.handle.net/21.15107/rcub_dais_3526
Đukić AB, Kumrić KR, Vukelić NS, Stojanović ZS, Stojmenović MD, Milošević SS, Matović LL. Influence of ageing of milled clay and its composite with TiO2on the heavy metal adsorption characteristics. in Ceramics International. 2015;41(3):5129-5137.
doi:10.1016/j.ceramint.2014.12.085
https://hdl.handle.net/21.15107/rcub_dais_3526 .
Đukić, Anđelka B., Kumrić, Ksenija R., Vukelić, Nikola S., Stojanović, Zoran S., Stojmenović, Marija D., Milošević, Sanja S., Matović, Ljiljana Lj., "Influence of ageing of milled clay and its composite with TiO2on the heavy metal adsorption characteristics" in Ceramics International, 41, no. 3 (2015):5129-5137,
https://doi.org/10.1016/j.ceramint.2014.12.085 .,
https://hdl.handle.net/21.15107/rcub_dais_3526 .
15
14
18

Simultaneous Removal of Divalent Heavy Metals from Aqueous Solutions Using Raw and Mechanochemically Treated Interstratified Montmorillonite/Kaolinite Clay

Kumrić, Ksenija R.; Đukić, Anđelka B.; Trtić Petrović, Tatjana; Vukelić, Nikola S.; Stojanović, Zoran S.; Grbović Novaković, Jasmina; Matović, Ljiljana Lj.

(Washington, DC : ACS Publications, 2013)

TY  - JOUR
AU  - Kumrić, Ksenija R.
AU  - Đukić, Anđelka B.
AU  - Trtić Petrović, Tatjana
AU  - Vukelić, Nikola S.
AU  - Stojanović, Zoran S.
AU  - Grbović Novaković, Jasmina
AU  - Matović, Ljiljana Lj.
PY  - 2013
UR  - http://dais.sanu.ac.rs/123456789/357
AB  - The removal of Pb(II), Cd(II), Cu(II), and Zn(II) from aqueous solutions using (un)modified Serbian interstratified montmorillonite/kaolinite clay as an adsorbent was investigated. The clay was modified by mechanochemical activation for different time periods. X-ray diffraction patterns and particle size distributions were used to characterize the samples. Batch adsorption studies were conducted to optimize various conditions. The adsorption equilibrium was established within 60 min, and the maximum adsorption occurred in the pH range of 4.5–6.5. The milled clays exhibited greater equilibrium adsorption capacities (qe) for all of the metals than the raw clay. A difference in qe values for clays milled for 2 and 19 h could be observed only for initial concentrations (Ci) of ≥100 mg dm–3. This was related to the amorphization (i.e., exfoliation) of 19-h-milled clay particles. The adsorption equilibrium data of heavy metals on both raw and modified clays fit the Langmuir equation, although there were changes in the microstructure of the clay. The mechanochemical treatment of the clay reduced the amount of adsorbent necessary to achieve a highly efficient removal of heavy metals by a factor of 5. Thus, the mechanochemically treated interstratified clay can be considered as an efficient adsorbent for the simultaneous removal of divalent heavy metals.
PB  - Washington, DC : ACS Publications
T2  - Industrial and Engineering Chemistry Research
T1  - Simultaneous Removal of Divalent Heavy Metals from Aqueous Solutions Using Raw and Mechanochemically Treated Interstratified Montmorillonite/Kaolinite Clay
SP  - 7930
EP  - 7939
VL  - 52
IS  - 23
DO  - 10.1021/ie400257k
UR  - https://hdl.handle.net/21.15107/rcub_dais_357
ER  - 
@article{
author = "Kumrić, Ksenija R. and Đukić, Anđelka B. and Trtić Petrović, Tatjana and Vukelić, Nikola S. and Stojanović, Zoran S. and Grbović Novaković, Jasmina and Matović, Ljiljana Lj.",
year = "2013",
abstract = "The removal of Pb(II), Cd(II), Cu(II), and Zn(II) from aqueous solutions using (un)modified Serbian interstratified montmorillonite/kaolinite clay as an adsorbent was investigated. The clay was modified by mechanochemical activation for different time periods. X-ray diffraction patterns and particle size distributions were used to characterize the samples. Batch adsorption studies were conducted to optimize various conditions. The adsorption equilibrium was established within 60 min, and the maximum adsorption occurred in the pH range of 4.5–6.5. The milled clays exhibited greater equilibrium adsorption capacities (qe) for all of the metals than the raw clay. A difference in qe values for clays milled for 2 and 19 h could be observed only for initial concentrations (Ci) of ≥100 mg dm–3. This was related to the amorphization (i.e., exfoliation) of 19-h-milled clay particles. The adsorption equilibrium data of heavy metals on both raw and modified clays fit the Langmuir equation, although there were changes in the microstructure of the clay. The mechanochemical treatment of the clay reduced the amount of adsorbent necessary to achieve a highly efficient removal of heavy metals by a factor of 5. Thus, the mechanochemically treated interstratified clay can be considered as an efficient adsorbent for the simultaneous removal of divalent heavy metals.",
publisher = "Washington, DC : ACS Publications",
journal = "Industrial and Engineering Chemistry Research",
title = "Simultaneous Removal of Divalent Heavy Metals from Aqueous Solutions Using Raw and Mechanochemically Treated Interstratified Montmorillonite/Kaolinite Clay",
pages = "7930-7939",
volume = "52",
number = "23",
doi = "10.1021/ie400257k",
url = "https://hdl.handle.net/21.15107/rcub_dais_357"
}
Kumrić, K. R., Đukić, A. B., Trtić Petrović, T., Vukelić, N. S., Stojanović, Z. S., Grbović Novaković, J.,& Matović, L. Lj.. (2013). Simultaneous Removal of Divalent Heavy Metals from Aqueous Solutions Using Raw and Mechanochemically Treated Interstratified Montmorillonite/Kaolinite Clay. in Industrial and Engineering Chemistry Research
Washington, DC : ACS Publications., 52(23), 7930-7939.
https://doi.org/10.1021/ie400257k
https://hdl.handle.net/21.15107/rcub_dais_357
Kumrić KR, Đukić AB, Trtić Petrović T, Vukelić NS, Stojanović ZS, Grbović Novaković J, Matović LL. Simultaneous Removal of Divalent Heavy Metals from Aqueous Solutions Using Raw and Mechanochemically Treated Interstratified Montmorillonite/Kaolinite Clay. in Industrial and Engineering Chemistry Research. 2013;52(23):7930-7939.
doi:10.1021/ie400257k
https://hdl.handle.net/21.15107/rcub_dais_357 .
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