TY  - JOUR
AU  - Nikolić, Irena
AU  - Janković-Častvan, Ivona
AU  - Krivokapić, Jasmina
AU  - Đurović, Dijana
AU  - Radmilović, Vuk
AU  - Radmilović, Velimir R.
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2570
AB  - In terms of quality, bauxite ore can be classified as high- or low-grade ore. High-grade bauxite ores are used for alumina extraction using the Bayer process, while low-grade bauxite ores have a limited application. In this paper we investigate the possibility of evaluating low-grade bauxite ores with the geopolymerization process. The influence of the synthesis parameters, i.e., alkali and silicate dosages and alkali cations (Na+ and K+) on the compressive strength of bauxite-based geopolymers is evaluated. The results show that an increase in the alkali dosage has a beneficial effect on the strength of bauxite-based geopolymers, while the strengthening of geopolymers by increasing the silicate dosage is limited by the viscosity of the geopolymer paste. Moreover, Na-geopolymers reach higher values of the compressive strength than K-geopolymers.
PB  - Institute of Metals and Technology
T2  - Materiali in Tehnologije
T1  - Geopolymerization of low-grade bauxite
EP  - 44
IS  - 1
SP  - 39
VL  - 48
UR  - https://hdl.handle.net/21.15107/rcub_technorep_2570
ER  - 

@article{
author = "Nikolić, Irena and Janković-Častvan, Ivona and Krivokapić, Jasmina and Đurović, Dijana and Radmilović, Vuk and Radmilović, Velimir R.",
year = "2014",
abstract = "In terms of quality, bauxite ore can be classified as high- or low-grade ore. High-grade bauxite ores are used for alumina extraction using the Bayer process, while low-grade bauxite ores have a limited application. In this paper we investigate the possibility of evaluating low-grade bauxite ores with the geopolymerization process. The influence of the synthesis parameters, i.e., alkali and silicate dosages and alkali cations (Na+ and K+) on the compressive strength of bauxite-based geopolymers is evaluated. The results show that an increase in the alkali dosage has a beneficial effect on the strength of bauxite-based geopolymers, while the strengthening of geopolymers by increasing the silicate dosage is limited by the viscosity of the geopolymer paste. Moreover, Na-geopolymers reach higher values of the compressive strength than K-geopolymers.",
publisher = "Institute of Metals and Technology",
journal = "Materiali in Tehnologije",
title = "Geopolymerization of low-grade bauxite",
pages = "44-39",
number = "1",
volume = "48",
url = "https://hdl.handle.net/21.15107/rcub_technorep_2570"
}

Nikolić, I., Janković-Častvan, I., Krivokapić, J., Đurović, D., Radmilović, V.,& Radmilović, V. R.. (2014). Geopolymerization of low-grade bauxite. in Materiali in Tehnologije
Institute of Metals and Technology., 48(1), 39-44.
https://hdl.handle.net/21.15107/rcub_technorep_2570

Nikolić I, Janković-Častvan I, Krivokapić J, Đurović D, Radmilović V, Radmilović VR. Geopolymerization of low-grade bauxite. in Materiali in Tehnologije. 2014;48(1):39-44.
https://hdl.handle.net/21.15107/rcub_technorep_2570 .

Nikolić, Irena, Janković-Častvan, Ivona, Krivokapić, Jasmina, Đurović, Dijana, Radmilović, Vuk, Radmilović, Velimir R., "Geopolymerization of low-grade bauxite" in Materiali in Tehnologije, 48, no. 1 (2014):39-44,
https://hdl.handle.net/21.15107/rcub_technorep_2570 .