Research of biochemical gold recovery method using high-arsenic raw materials

Koizhanova, Aigul K.

QR Code Link :
Type :	article
Subject :	Q Science (General)
ISSN :	0543-5846
Main Author :	Koizhanova, Aigul K.
Additional Authors :	Mohd Azlan Nafiah
Title :	Research of biochemical gold recovery method using high-arsenic raw materials

Place of Production :	Tanjung Malim
Publisher :	Fakulti Sains dan Matematik
Year of Publication :	2021
Notes :	Metalurgija
Corporate Name :	Universiti Pendidikan Sultan Idris
HTTP Link :	Click to view web link

Abstract : Universiti Pendidikan Sultan Idris

This article contains the results of experiments to recover gold from complex mineral raw materials containing more than 15 % arsenic. Laboratory tests showed that standard cyanidation recovers only 26,4 % of gold into the solution. Additional oxidizing reagents used increase the leaching efficiency and enable to recover more than 40 % of gold during subsequent cyanidation. The efficiency has been established for replacement of cyanide with thiourea and thiosulfate solutions. 79,5 %, i.e. the maximum recovery rate, was found in the experiment with preliminary oxidation with T. Ferrooxidans, a bacterial culture, followed by leaching with a thiourea solution. ? 2021, Faculty of Metallurgy. All rights reserved.

References

Naboychenko S.S., Shneнerson Ya. M. et al. Autoclave hydrometallurgy of non-ferrous metals. Yekaterinburg. State Educational Institution of Higher Professional Education “Ural Federal University named after the first President of Russia B. N. Yeltsin”. 2 (2009) 353.

Koizhanova A.K., Toktar G., Craig E. Banks., Magomedov D.R., Kubaizhanov A.A. Research of hydrometallurgical method of leaching gold from flotation tails with using bio-oxidation // Complex Use of Mineral Resources 314 (2020) 3, 28-39. https://doi.org/10.31643/2020/6445.24

Mongush G. R., Application of biotechnology to process mineral deposits in Tuva. Electronic scientific journal “New researches of Tuva”. 1 (2010), 228.

Chinmay Sen, Bioleaching of Gold: An alternative green mining technology for 21st century. Microbiology World 3 (2015) 2, 11-20.

Kenzhaliyev B.K., Surkova, T.Y., Berkinbayeva, A.N., Dosymbayeva Z.D., Abdikerim B.E. (2020). Revisiting the Kazakhstan natural sorbents modification. Metalurgija 59 (2020) 1, 117-120.

W. Yang, H. Cao, K. Zhang, G. Wang Influence of copper morphology on copper and gold leaching rates in calcine and acid leaching residue. Guocheng Gongcheng Xuebao / The Chinese Journal of Process Engineering 6 (2018), 1226-1231. doi: 10.12034/j.issn.1009-606X.218112.

Semenchenko G.V., Mukusheva A.S. Structurally-phase transformations of pyrite in biochemical solution system. World Congress on Engineering and Technology (CET), Shanghai, China, Oct.28-Nov.2, 3 (2011), 856-859.

Yang Y., Chen J., Liu W., Zhong S., Ma Y., Gao X., M. Chen, The impacts of pyrite/pyrrhotite on aqueous arsenic species in arsenopyrite pressure leaching: An XAS study. Minerals Engineering 155 (2020), 1-8. https://doi.org/10.1016/j.mineng.2020.106447.

Wang, X., Li, Q., Liao, Q., Yan, Y., Xia, J., Lin, Q., Wang, Q., Liang, Y. Arsenic(III) biotransformation to tooeleite associated with the oxidation of Fe(II) via Acidithiobacillus ferrooxidans. Chemosphere 248 (2020), 1-9. https://doi.org/10.1016/j.chemosphere.2020.126080.

Zhao, H.F., Yang, H.Y., Tong, L. Zhang, Q., Kong, Y. Biooxidation-thiosulfate leaching of refractory gold concentrate International Journal of Minerals, Metallurgy and Materials 27 (2020) 8, 1075-1082.

This material may be protected under Copyright Act which governs the making of photocopies or reproductions of copyrighted materials.
You may use the digitized material for private study, scholarship, or research.

Back to previous page