154 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
Li, H., Oraby, E., Bezuidenhout, G.A., Eksteen, J., 2023.
The Leaching of Palladium from Polymetallic Oxide
Ores using Alkaline Ferricyanide Solutions. Mineral
Processing and Extractive Metallurgy Review, 1–10
(Published Online).
Li, H., Oraby, E.A., Eksteen, J.J., 2018. Hydrometallurgical
recovery of metals from waste printed circuit boards
(WPCBs): current status and perspectives – A review.
Resources, Conservation &Recycling, 139, 122–139.
Li, H., Oraby, E.A., Eksteen, J.J., 2020. Extraction of cop-
per and the co-leaching behaviour of other metals from
waste printed circuit boards using alkaline glycine solu-
tions. Resources, Conservation and Recycling, 154,
104624.
Li, H., Oraby, E.A., Eksteen, J.J., 2021a. Cyanide con-
sumption minimisation and concomitant toxic effluent
minimisation during precious metals extraction from
waste printed circuit boards, Waste Management, 125,
87–97.
Li, H., Oraby, E.A., Eksteen, J.J., 2021b. Recovery of cop-
per and the deportment of other base metals from alka-
line glycine leachates derived from waste printed circuit
boards (WPCBs), Hydrometallurgy, 199, 105540, 9 p.
Li, H., Oraby, E.A., Eksteen, J.J., 2022a. Development of
an integrated glycine-based process for base and pre-
cious metals recovery from waste printed circuit boards.
Resources, Conservation and Recycling, 187, 106631.
Li, H., Oraby, E.A., Eksteen, J.J., 2022b. Extraction of pre-
cious metals from waste printed circuit boards using
cyanide-free alkaline glycine solution in the presence of
an oxidant, Minerals Engineering, 181, 107501.
Li, H., Oraby, E.A., Eksteen, J.J., Mali, T., 2022.
Extraction of Gold and Copper from Flotation Tailings
Using Glycine-Ammonia Solutions in the Presence of
Permanganate. Minerals, 12 (5), 612.
Lim, H. Ibana, D., Eksteen J., 2016. Leaching of rare
earths from fine-grained zirconosilicate ore. Journal of
Rare Earths, 34(9), pp. 908–916.
Mwase, J.M., Petersen, J., Eksteen, J.J., 2012a. A concep-
tual flowsheet for heap leaching of platinum group
metals (PGMs) from a low-grade ore concentrate.
Hydrometallurgy, 111–112, pp. 129–135.
Mwase, J.M., Petersen, J., Eksteen, J.J., 2012b. Assessing
a two stage heap leaching process for Platreef flotation
concentrate. Hydrometallurgy, 129–130, pp. 74–81.
Mwase, J.M., Petersen, J., Eksteen, J.J., 2014. A novel
sequential heap leach process for treating crushed
Platreef ore, Hydrometallurgy, 141, pp. 97–104.
O’Connor, G.M., Eksteen, J.J., 2020. A Critical Review
of the Passivation and Semiconductor Mechanisms
of Chalcopyrite Leaching. Minerals Engineering,
154,106401.
O’Connor, G.M., Lepkova, K., Eksteen, J.J., Oraby,
E.A. 2018b. Electrochemical Behaviour and Surface
Analysis of Chalcopyrite in Alkaline Glycine Solutions.
Hydrometallurgy. 182, 32–43.
O’Connor, G.M., Lepkova, K., Oraby, E.A., Eksteen, J.J.
2018a. Electrochemical behaviour of copper in alkaline
glycine solutions. Hydrometallurgy, 181, 221–229.
Olivier, M., Dorfling, C., Eksteen, J.J., 2012. Evaluating
a solvent extraction process route incorporating nickel
preloading of Cyanex 272 for the removal of cobalt
and iron from nickel sulphate solutions. Minerals
Engineering, 27-28, pp. 37–51.
Oraby, E., Deng, Z., Li, H., Eksteen, J., 2023a. Selective
extraction of nickel and cobalt from disseminated sul-
fide flotation cleaner tailings using alkaline glycine-
ammonia leaching solutions. Minerals Engineering,
204, 108418.
Oraby, E., Li, H., Deng, Z., Eksteen, J., 2023b. Selective
extraction of Ni and Co from a pyrrhotite-rich flota-
tion slime using an alkaline glycine-based leach system.
Minerals Engineering, 203, 108330.
Oraby, E.A., Eksteen, J.J., 2014. The selective leaching of
copper from a gold–copper concentrate in glycine solu-
tions. Hydrometallurgy, 50, pp.14–19.
Oraby, E.A., Eksteen, J.J., 2015a. Gold leaching in cya-
nide-starved copper solutions in the presence of gly-
cine. Hydrometallurgy, 156, pp. 81–88.
Oraby, E.A., Eksteen, J.J., 2015b. The leaching and car-
bon based adsorption behaviour of gold and silver
and their alloys in alkaline glycine-peroxide solutions.
Hydrometallurgy. 152, pp. 199–203.
Oraby, E.A., Eksteen, J.J., and Tanda, B.C., 2017. Gold
and copper leaching from gold-copper ores and con-
centrates using a synergistic lixiviant mixture of gly-
cine and cyanide. Hydrometallurgy, 169, 2017,
pp. 339–345.
Oraby, E.A., Eksteen, J.J., Karrech, A., Attar, M., 2019.
Gold extraction from paleochannel ores using an
aerated alkaline glycine lixiviant for consideration
in heap and in-situ leaching applications. Minerals
Engineering, 138, 112–118.
Oraby, E.A., Eksteen, J.J., O’Connor, G.M., 2020. Gold
Leaching from Oxide Ores in Alkaline Glycine Solutions
in the Presence of Permanganate, Hydrometallurgy,
198, 105527, 10 p.
Li, H., Oraby, E., Bezuidenhout, G.A., Eksteen, J., 2023.
The Leaching of Palladium from Polymetallic Oxide
Ores using Alkaline Ferricyanide Solutions. Mineral
Processing and Extractive Metallurgy Review, 1–10
(Published Online).
Li, H., Oraby, E.A., Eksteen, J.J., 2018. Hydrometallurgical
recovery of metals from waste printed circuit boards
(WPCBs): current status and perspectives – A review.
Resources, Conservation &Recycling, 139, 122–139.
Li, H., Oraby, E.A., Eksteen, J.J., 2020. Extraction of cop-
per and the co-leaching behaviour of other metals from
waste printed circuit boards using alkaline glycine solu-
tions. Resources, Conservation and Recycling, 154,
104624.
Li, H., Oraby, E.A., Eksteen, J.J., 2021a. Cyanide con-
sumption minimisation and concomitant toxic effluent
minimisation during precious metals extraction from
waste printed circuit boards, Waste Management, 125,
87–97.
Li, H., Oraby, E.A., Eksteen, J.J., 2021b. Recovery of cop-
per and the deportment of other base metals from alka-
line glycine leachates derived from waste printed circuit
boards (WPCBs), Hydrometallurgy, 199, 105540, 9 p.
Li, H., Oraby, E.A., Eksteen, J.J., 2022a. Development of
an integrated glycine-based process for base and pre-
cious metals recovery from waste printed circuit boards.
Resources, Conservation and Recycling, 187, 106631.
Li, H., Oraby, E.A., Eksteen, J.J., 2022b. Extraction of pre-
cious metals from waste printed circuit boards using
cyanide-free alkaline glycine solution in the presence of
an oxidant, Minerals Engineering, 181, 107501.
Li, H., Oraby, E.A., Eksteen, J.J., Mali, T., 2022.
Extraction of Gold and Copper from Flotation Tailings
Using Glycine-Ammonia Solutions in the Presence of
Permanganate. Minerals, 12 (5), 612.
Lim, H. Ibana, D., Eksteen J., 2016. Leaching of rare
earths from fine-grained zirconosilicate ore. Journal of
Rare Earths, 34(9), pp. 908–916.
Mwase, J.M., Petersen, J., Eksteen, J.J., 2012a. A concep-
tual flowsheet for heap leaching of platinum group
metals (PGMs) from a low-grade ore concentrate.
Hydrometallurgy, 111–112, pp. 129–135.
Mwase, J.M., Petersen, J., Eksteen, J.J., 2012b. Assessing
a two stage heap leaching process for Platreef flotation
concentrate. Hydrometallurgy, 129–130, pp. 74–81.
Mwase, J.M., Petersen, J., Eksteen, J.J., 2014. A novel
sequential heap leach process for treating crushed
Platreef ore, Hydrometallurgy, 141, pp. 97–104.
O’Connor, G.M., Eksteen, J.J., 2020. A Critical Review
of the Passivation and Semiconductor Mechanisms
of Chalcopyrite Leaching. Minerals Engineering,
154,106401.
O’Connor, G.M., Lepkova, K., Eksteen, J.J., Oraby,
E.A. 2018b. Electrochemical Behaviour and Surface
Analysis of Chalcopyrite in Alkaline Glycine Solutions.
Hydrometallurgy. 182, 32–43.
O’Connor, G.M., Lepkova, K., Oraby, E.A., Eksteen, J.J.
2018a. Electrochemical behaviour of copper in alkaline
glycine solutions. Hydrometallurgy, 181, 221–229.
Olivier, M., Dorfling, C., Eksteen, J.J., 2012. Evaluating
a solvent extraction process route incorporating nickel
preloading of Cyanex 272 for the removal of cobalt
and iron from nickel sulphate solutions. Minerals
Engineering, 27-28, pp. 37–51.
Oraby, E., Deng, Z., Li, H., Eksteen, J., 2023a. Selective
extraction of nickel and cobalt from disseminated sul-
fide flotation cleaner tailings using alkaline glycine-
ammonia leaching solutions. Minerals Engineering,
204, 108418.
Oraby, E., Li, H., Deng, Z., Eksteen, J., 2023b. Selective
extraction of Ni and Co from a pyrrhotite-rich flota-
tion slime using an alkaline glycine-based leach system.
Minerals Engineering, 203, 108330.
Oraby, E.A., Eksteen, J.J., 2014. The selective leaching of
copper from a gold–copper concentrate in glycine solu-
tions. Hydrometallurgy, 50, pp.14–19.
Oraby, E.A., Eksteen, J.J., 2015a. Gold leaching in cya-
nide-starved copper solutions in the presence of gly-
cine. Hydrometallurgy, 156, pp. 81–88.
Oraby, E.A., Eksteen, J.J., 2015b. The leaching and car-
bon based adsorption behaviour of gold and silver
and their alloys in alkaline glycine-peroxide solutions.
Hydrometallurgy. 152, pp. 199–203.
Oraby, E.A., Eksteen, J.J., and Tanda, B.C., 2017. Gold
and copper leaching from gold-copper ores and con-
centrates using a synergistic lixiviant mixture of gly-
cine and cyanide. Hydrometallurgy, 169, 2017,
pp. 339–345.
Oraby, E.A., Eksteen, J.J., Karrech, A., Attar, M., 2019.
Gold extraction from paleochannel ores using an
aerated alkaline glycine lixiviant for consideration
in heap and in-situ leaching applications. Minerals
Engineering, 138, 112–118.
Oraby, E.A., Eksteen, J.J., O’Connor, G.M., 2020. Gold
Leaching from Oxide Ores in Alkaline Glycine Solutions
in the Presence of Permanganate, Hydrometallurgy,
198, 105527, 10 p.