Results 301 to 310 of about 1,040,720 (337)

Heap Leaching of Gold and Silver Ores

2016
Heap leaching is one of several alternative process methods for treating precious-metal ores and is selected primarily to take advantage of its low capital cost relative to other methods. Heap leaching involves stacking of metal-bearing ore into a heap on an impermeable pad, irrigating the ore for an extended period of time with a chemical solution to ...
T.J. Manning, D.W. Kappes
openaire   +1 more source

Heavy metal pollution caused by cyanide gold leaching: a case study of gold tailings in central China

Environmental science and pollution research international, 2021
Chao Zhang, Xing Wang, Shihao Jiang, Mengying Zhou, Fanglin Li, X. Bi, S. Xie, Jinling Liu   +7 more
semanticscholar   +1 more source

Gold-leaching performance and mechanism of sodium dicyanamide

International Journal of Minerals, Metallurgy, and Materials, 2021
Genzhuang Li, J. Kou, Y. Xing, Yang Hu, Wei Han, Ziyuan Liu, Chun-bao Sun   +6 more
semanticscholar   +1 more source

Evaluation of a diagnostic leaching technique for gold in native gold and gold ± silver tellurides

Minerals Engineering, 2001
Abstract A detailed investigation of the stability in cyanide solutions of native gold and gold ± silver tellurides in a flotation concentrate from the Golden Mile, Kalgoorlie, has been undertaken to assess whether leaching under different conditions can be used to quantify the distribution of Au between native gold and gold ± silver tellurides, as ...
K.J. Henley, N.C. Clarke, P. Sauter
openaire   +1 more source

Mechanism of pyrite oxidation in copper(II)-ethylenediamine-thiosulphate gold leaching system

, 2021
Yan Zhang, Futing Zi, Xianzhi Hu, Zhen Chen, Yang Peng, Chen Yunlong, Qin Xuecong, Chen Shuliang, He Puqiang, Lin Yue, Zhao Li   +10 more
semanticscholar   +1 more source

Leaching of Gold with Copper–Tartrate–Thiosulfate Solutions

Transactions of the Indian Institute of Metals, 2023
Jun-nan Chen, F. Xie, W. Wang, Yan Fu, Jian Wang   +4 more
semanticscholar   +1 more source

APPLICATION OF THE FLOTATION FOR THE EVALUATION OF THE LEACHING OF GOLD IN THE LEACHING CIRCUIT BY CYANIDATION

Proceedings of the 21th LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI 2023): “Leadership in Education and Innovation in Engineering in the Framework of Global Transformations: Integration and Alliances for Integral Development”, 2023
Christopher Dennis Nakahodo Nakama, Julian Ricardo Diaz Ruiz   +1 more
openaire   +1 more source

Improved thiourea leaching of gold from a gold ore using additives

Hydrometallurgy, 2023
Keling Li, Qian Li, Yan Zhang, Xiaoliang Liu, Yong-bin Yang, Tao Jiang   +5 more
semanticscholar   +1 more source

Leaching Low-Grade Gold Ores

1991
A dilute cyanide solution is an efficient solvent of gold. However, as in any other leaching process, the solvent has to come in contact with the solid gold particle. Hence, extensive crushing and meticulous two-stage, closed-circuit grinding are needed to liberate the gold particles in the ore.
openaire   +1 more source

Application of Thiosulphate Leaching in Gold Recovery

2007
Altın kazanımında tiyosülfat liçi; daha ucuz ve zararsız olması, siyanüre göre liç işleminin hızlı gerçekleşmesi, altın kazanımında daha etkili ve altınla bakır katalizörünün etkisiyle kolayca tepkimeye girebilmesi gibi çeşitli avantajları ile alternatif bir kimyasal yöntemdir.
AKÇIL, Ata, ÇİFTÇİ, Hasan, ÖZTÜRK, Tuba   +2 more
openaire   +1 more source