1740 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
Deblonde, G.J.P., Bengio, D., Beltrami, D., Bélair, S., Cote,
G., Chagnes, A., 2019a. A fluoride-free liquid-liquid
extraction process for the recovery and separation
of niobium and tantalum from alkaline leach solu-
tions. Sep Purif Technol 215, 634–643. doi: 10.1016
/j.seppur.2019.01.052
Deblonde, G.J.P., Bengio, D., Beltrami, D., Bélair, S.,
Cote, G., Chagnes, A., 2019b. Niobium and tantalum
processing in oxalic-nitric media: Nb2O5·nH2O and
Ta2O5·nH2O precipitation with oxalates and nitrates
recycling. Sep Purif Technol 226, 209–217. doi:
10.1016/j.seppur.2019.05.087
Djordjević, C., Goričan, H., Tan, S.L., 1966. Solvent
extraction of niobium and tantalum. III. Extraction
mechanism in oxalic solutions with longchain ter-
tiary amines. J Less-Common Met 11, 342–350. doi:
10.1016/0022-5088(66)90066-X
Emam, S.S., El-Hefny, N.E., 2023. Bi-functional ionic liq-
uid based on Aliquat 336 and Cyanex 572 for effective
separation of Nd(III) and Ni(II) from chloride solu-
tion and recover Nd2O3 from waste Nd-Ni-Fe mag-
nets. Hydrometallurgy 219, 106064. doi: 10.1016
/j.hydromet.2023.106064
Jehng, J. ‐M, Wachs, I.E., 1991. Niobium oxide solution
chemistry. J Raman Spectrosc 22, 83–89. doi: 10.1002/
jrs.1250220207
Kunene, P., Akinbami, O., Motsoane, N., Tutu, H.,
Chimuka, L., Richards, H., 2020. Feasibility of
Polysulfone as Base Polymer in a Polymer Inclusion
Membrane: Synthesis and Characterisation. J Membr
Sci Res 6, 203–210. doi: 10.22079/JMSR.2019
.111596.1278
Lee, L.Y., Morad, N., Ismail, N., Talebi, A., Rafatullah,
M., 2020. Optimization for liquid-liquid extraction
of cd(Ii) over cu(ii) ions from aqueous solutions using
ionic liquid aliquat 336 with tributyl phosphate. Int J
Mol Sci 21, 1–16. doi: 10.3390/ijms21186860
Shikika, A., 2023. Extraction, purification et séparation du
tantale et du niobium contenus dans le coltan du Kivu
(RDC). PhD Thesis, Univ Liege.
Shikika, A., Sethurajan, M., Muvundja, F., Mugumaoderha,
M.C., Gaydardzhiev, S., 2020. A review on extractive
metallurgy of tantalum and niobium. Hydrometallurgy
198, 105496. doi: 10.1016/j.hydromet.2020.105496
Shikika, A., Zabene, F., Muvundja, F.A., Mugumaoderha,
M.C., Aatach, M., Gaydardzhiev, S., 2022. Efficient
Extraction of Ta and Nb from a Coltan Ore Through
Alkaline Roasting, Water Leaching, Precipitation, and
Oxalic Acid Leaching. J Sustain Metall 8, 1932–1947.
doi: 10.1007/s40831-022-00621-w
Sun, L., Yu, H., Meng, F., Qi, T., Zheng, S., Peng, Y.,
Wang, L., 2021. A novel method for the separation of
niobium and titanium from sulfuric acid-oxalate solu-
tions using N235 and MIBK. Hydrometallurgy 205,
105748. doi: 10.1016/j.hydromet.2021.105748
Turkowska, M., Karoń, K., Milewski, A., Jakóbik-Kolon,
A., 2022. Solvent-Impregnated Sorbents for Tantalum
from Niobium Separation Using a Fixed-Bed Column.
Materials (Basel) 15, 1–16. doi: 10.3390/ma15041513
Yang, X., Zhang, J., Fang, X., 2015. Extraction kinetics
of niobium by tertiary amine N235 using Lewis cell.
Hydrometallurgy 151, 56–61. doi: 10.1016/j.hydromet
.2014.11.007
Deblonde, G.J.P., Bengio, D., Beltrami, D., Bélair, S., Cote,
G., Chagnes, A., 2019a. A fluoride-free liquid-liquid
extraction process for the recovery and separation
of niobium and tantalum from alkaline leach solu-
tions. Sep Purif Technol 215, 634–643. doi: 10.1016
/j.seppur.2019.01.052
Deblonde, G.J.P., Bengio, D., Beltrami, D., Bélair, S.,
Cote, G., Chagnes, A., 2019b. Niobium and tantalum
processing in oxalic-nitric media: Nb2O5·nH2O and
Ta2O5·nH2O precipitation with oxalates and nitrates
recycling. Sep Purif Technol 226, 209–217. doi:
10.1016/j.seppur.2019.05.087
Djordjević, C., Goričan, H., Tan, S.L., 1966. Solvent
extraction of niobium and tantalum. III. Extraction
mechanism in oxalic solutions with longchain ter-
tiary amines. J Less-Common Met 11, 342–350. doi:
10.1016/0022-5088(66)90066-X
Emam, S.S., El-Hefny, N.E., 2023. Bi-functional ionic liq-
uid based on Aliquat 336 and Cyanex 572 for effective
separation of Nd(III) and Ni(II) from chloride solu-
tion and recover Nd2O3 from waste Nd-Ni-Fe mag-
nets. Hydrometallurgy 219, 106064. doi: 10.1016
/j.hydromet.2023.106064
Jehng, J. ‐M, Wachs, I.E., 1991. Niobium oxide solution
chemistry. J Raman Spectrosc 22, 83–89. doi: 10.1002/
jrs.1250220207
Kunene, P., Akinbami, O., Motsoane, N., Tutu, H.,
Chimuka, L., Richards, H., 2020. Feasibility of
Polysulfone as Base Polymer in a Polymer Inclusion
Membrane: Synthesis and Characterisation. J Membr
Sci Res 6, 203–210. doi: 10.22079/JMSR.2019
.111596.1278
Lee, L.Y., Morad, N., Ismail, N., Talebi, A., Rafatullah,
M., 2020. Optimization for liquid-liquid extraction
of cd(Ii) over cu(ii) ions from aqueous solutions using
ionic liquid aliquat 336 with tributyl phosphate. Int J
Mol Sci 21, 1–16. doi: 10.3390/ijms21186860
Shikika, A., 2023. Extraction, purification et séparation du
tantale et du niobium contenus dans le coltan du Kivu
(RDC). PhD Thesis, Univ Liege.
Shikika, A., Sethurajan, M., Muvundja, F., Mugumaoderha,
M.C., Gaydardzhiev, S., 2020. A review on extractive
metallurgy of tantalum and niobium. Hydrometallurgy
198, 105496. doi: 10.1016/j.hydromet.2020.105496
Shikika, A., Zabene, F., Muvundja, F.A., Mugumaoderha,
M.C., Aatach, M., Gaydardzhiev, S., 2022. Efficient
Extraction of Ta and Nb from a Coltan Ore Through
Alkaline Roasting, Water Leaching, Precipitation, and
Oxalic Acid Leaching. J Sustain Metall 8, 1932–1947.
doi: 10.1007/s40831-022-00621-w
Sun, L., Yu, H., Meng, F., Qi, T., Zheng, S., Peng, Y.,
Wang, L., 2021. A novel method for the separation of
niobium and titanium from sulfuric acid-oxalate solu-
tions using N235 and MIBK. Hydrometallurgy 205,
105748. doi: 10.1016/j.hydromet.2021.105748
Turkowska, M., Karoń, K., Milewski, A., Jakóbik-Kolon,
A., 2022. Solvent-Impregnated Sorbents for Tantalum
from Niobium Separation Using a Fixed-Bed Column.
Materials (Basel) 15, 1–16. doi: 10.3390/ma15041513
Yang, X., Zhang, J., Fang, X., 2015. Extraction kinetics
of niobium by tertiary amine N235 using Lewis cell.
Hydrometallurgy 151, 56–61. doi: 10.1016/j.hydromet
.2014.11.007