Simultaneous removal of Pb2+, Cu2+, Zn2+ and Cd2+ from highly acidic solutions using mechanochemically synthesized montmorillonite-kaolinite/TiO2 composite
Samo za registrovane korisnike
2015
Autori
Dukic, Andelka B.Kumric, Ksenija R.
Vukelic, Nikola S.
Dimitrijević, Milena
Baščarević, Zvezdana
Kurko, Sandra V.
Matović, Ljiljana
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentuApstrakt
The aim of the present study was to synthesize a composite of raw interstratified montmorillonite-kaolinite clay (Mt-K) with TiO2 as an additive by mechanochemical activation and investigate its usability as low-cost adsorbent for simultaneous removal of heavy metals from acidic aqueous solutions. The composite synthesized with amorphous TiO2 (TiO(2,)a) showed a significantly better removal ability of heavy metals from highly acidic solutions (pH = 2.0-4.0) compared with the Mt-K milled for an optimum period of time of 19 h (Mt-K,m) and composite synthesized with crystalline TiO2 (TiO(2,)c). As both of the composites showed the same morphologies, the same distribution of TiO2 particles on the clay matrix, the same particle size distribution (PSD) dependencies and point of zero charge (pH(PZC)) values, it has to be noticed that the difference in the adsorption behavior lies only in the different crystalline forms of the additive, i.e. TiO2 that was used for the composite preparation. It... has been shown that 20% of TiO(2,)a was the optimal amount of an additive in the composite to achieve improved adsorption ability.
Ključne reči:
TiO2 / Milling / Heavy metals / Composites / Clays / AdsorptionIzvor:
Applied Clay Science, 2015, 103, 20-27Izdavač:
- Elsevier Science Bv, Amsterdam
Finansiranje / projekti:
- Sinteza, procesiranje i karakterizacija nanostrukturnih materijala za primenu u oblasti energije, mehaničkog inženjerstva, zaštite životne stredine i biomedicine (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45012)
- Fizika i hemija sa jonskim snopovima (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45006)
- Nanostrukturni funkcionalni i kompozitni materijali u katalitičkim i sorpcionim procesima (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45001)
DOI: 10.1016/j.clay.2014.10.021
ISSN: 0169-1317
WoS: 000347593300003
Scopus: 2-s2.0-84912022915
Institucija/grupa
Institut za multidisciplinarna istraživanjaTY - JOUR AU - Dukic, Andelka B. AU - Kumric, Ksenija R. AU - Vukelic, Nikola S. AU - Dimitrijević, Milena AU - Baščarević, Zvezdana AU - Kurko, Sandra V. AU - Matović, Ljiljana PY - 2015 UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/850 AB - The aim of the present study was to synthesize a composite of raw interstratified montmorillonite-kaolinite clay (Mt-K) with TiO2 as an additive by mechanochemical activation and investigate its usability as low-cost adsorbent for simultaneous removal of heavy metals from acidic aqueous solutions. The composite synthesized with amorphous TiO2 (TiO(2,)a) showed a significantly better removal ability of heavy metals from highly acidic solutions (pH = 2.0-4.0) compared with the Mt-K milled for an optimum period of time of 19 h (Mt-K,m) and composite synthesized with crystalline TiO2 (TiO(2,)c). As both of the composites showed the same morphologies, the same distribution of TiO2 particles on the clay matrix, the same particle size distribution (PSD) dependencies and point of zero charge (pH(PZC)) values, it has to be noticed that the difference in the adsorption behavior lies only in the different crystalline forms of the additive, i.e. TiO2 that was used for the composite preparation. It has been shown that 20% of TiO(2,)a was the optimal amount of an additive in the composite to achieve improved adsorption ability. PB - Elsevier Science Bv, Amsterdam T2 - Applied Clay Science T1 - Simultaneous removal of Pb2+, Cu2+, Zn2+ and Cd2+ from highly acidic solutions using mechanochemically synthesized montmorillonite-kaolinite/TiO2 composite EP - 27 SP - 20 VL - 103 DO - 10.1016/j.clay.2014.10.021 ER -
@article{ author = "Dukic, Andelka B. and Kumric, Ksenija R. and Vukelic, Nikola S. and Dimitrijević, Milena and Baščarević, Zvezdana and Kurko, Sandra V. and Matović, Ljiljana", year = "2015", abstract = "The aim of the present study was to synthesize a composite of raw interstratified montmorillonite-kaolinite clay (Mt-K) with TiO2 as an additive by mechanochemical activation and investigate its usability as low-cost adsorbent for simultaneous removal of heavy metals from acidic aqueous solutions. The composite synthesized with amorphous TiO2 (TiO(2,)a) showed a significantly better removal ability of heavy metals from highly acidic solutions (pH = 2.0-4.0) compared with the Mt-K milled for an optimum period of time of 19 h (Mt-K,m) and composite synthesized with crystalline TiO2 (TiO(2,)c). As both of the composites showed the same morphologies, the same distribution of TiO2 particles on the clay matrix, the same particle size distribution (PSD) dependencies and point of zero charge (pH(PZC)) values, it has to be noticed that the difference in the adsorption behavior lies only in the different crystalline forms of the additive, i.e. TiO2 that was used for the composite preparation. It has been shown that 20% of TiO(2,)a was the optimal amount of an additive in the composite to achieve improved adsorption ability.", publisher = "Elsevier Science Bv, Amsterdam", journal = "Applied Clay Science", title = "Simultaneous removal of Pb2+, Cu2+, Zn2+ and Cd2+ from highly acidic solutions using mechanochemically synthesized montmorillonite-kaolinite/TiO2 composite", pages = "27-20", volume = "103", doi = "10.1016/j.clay.2014.10.021" }
Dukic, A. B., Kumric, K. R., Vukelic, N. S., Dimitrijević, M., Baščarević, Z., Kurko, S. V.,& Matović, L.. (2015). Simultaneous removal of Pb2+, Cu2+, Zn2+ and Cd2+ from highly acidic solutions using mechanochemically synthesized montmorillonite-kaolinite/TiO2 composite. in Applied Clay Science Elsevier Science Bv, Amsterdam., 103, 20-27. https://doi.org/10.1016/j.clay.2014.10.021
Dukic AB, Kumric KR, Vukelic NS, Dimitrijević M, Baščarević Z, Kurko SV, Matović L. Simultaneous removal of Pb2+, Cu2+, Zn2+ and Cd2+ from highly acidic solutions using mechanochemically synthesized montmorillonite-kaolinite/TiO2 composite. in Applied Clay Science. 2015;103:20-27. doi:10.1016/j.clay.2014.10.021 .
Dukic, Andelka B., Kumric, Ksenija R., Vukelic, Nikola S., Dimitrijević, Milena, Baščarević, Zvezdana, Kurko, Sandra V., Matović, Ljiljana, "Simultaneous removal of Pb2+, Cu2+, Zn2+ and Cd2+ from highly acidic solutions using mechanochemically synthesized montmorillonite-kaolinite/TiO2 composite" in Applied Clay Science, 103 (2015):20-27, https://doi.org/10.1016/j.clay.2014.10.021 . .