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Column leaching of low-grade sulfide ore from Zijinshan copper mine

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Column leaching of low-grade sulfide ore from Zijinshan copper mine. / Zou, Gang; Papirio, Stefano; Lai, Xiaokang; Wu, Zengling; Zou, Laichang; Puhakka, Jaakko; Ruan, Renman.

In: International Journal of Mineral Processing, Vol. 139, 2730, 15.07.2015, p. 11-16.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Zou, G, Papirio, S, Lai, X, Wu, Z, Zou, L, Puhakka, J & Ruan, R 2015, 'Column leaching of low-grade sulfide ore from Zijinshan copper mine', International Journal of Mineral Processing, vol. 139, 2730, pp. 11-16. https://doi.org/10.1016/j.minpro.2015.04.005

APA

Zou, G., Papirio, S., Lai, X., Wu, Z., Zou, L., Puhakka, J., & Ruan, R. (2015). Column leaching of low-grade sulfide ore from Zijinshan copper mine. International Journal of Mineral Processing, 139, 11-16. [2730]. https://doi.org/10.1016/j.minpro.2015.04.005

Vancouver

Zou G, Papirio S, Lai X, Wu Z, Zou L, Puhakka J et al. Column leaching of low-grade sulfide ore from Zijinshan copper mine. International Journal of Mineral Processing. 2015 Jul 15;139:11-16. 2730. https://doi.org/10.1016/j.minpro.2015.04.005

Author

Zou, Gang ; Papirio, Stefano ; Lai, Xiaokang ; Wu, Zengling ; Zou, Laichang ; Puhakka, Jaakko ; Ruan, Renman. / Column leaching of low-grade sulfide ore from Zijinshan copper mine. In: International Journal of Mineral Processing. 2015 ; Vol. 139. pp. 11-16.

Bibtex - Download

@article{0491a44debf3463fafeda60cd90ca2e8,
title = "Column leaching of low-grade sulfide ore from Zijinshan copper mine",
abstract = "Abstract Copper and iron dissolution of Zijinshan low-grade copper sulfide ores was investigated in ore-packed columns. At 60 °C and pH 1.0, 37.1 g Fe(III) L- 1 permitted effective copper dissolution and inhibited the activity of iron-oxidizing microorganisms. At 30 °C, microorganisms stimulated Fe(II) and pyrite oxidation, resulting in 85 and 54{\%} of copper and pyrite extraction yields, respectively. Bacteria belonging to the genera Acidithiobacillus and Leptospirillum were dominant as observed by real-time PCR assay. Aeration and inoculation of columns were not necessary. Solutions had a higher pH of 1.7 in the columns operated without recirculation. Under these conditions, copper extraction was not affected and Fe(III) precipitated as jarosite, indicating a novel method for iron control in Zijinshan copper mine.",
keywords = "Chalcocite, Column bioleaching, Ferric leaching, Jarosite, Temperature",
author = "Gang Zou and Stefano Papirio and Xiaokang Lai and Zengling Wu and Laichang Zou and Jaakko Puhakka and Renman Ruan",
year = "2015",
month = "7",
day = "15",
doi = "10.1016/j.minpro.2015.04.005",
language = "English",
volume = "139",
pages = "11--16",
journal = "International Journal of Mineral Processing",
issn = "0301-7516",
publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Column leaching of low-grade sulfide ore from Zijinshan copper mine

AU - Zou, Gang

AU - Papirio, Stefano

AU - Lai, Xiaokang

AU - Wu, Zengling

AU - Zou, Laichang

AU - Puhakka, Jaakko

AU - Ruan, Renman

PY - 2015/7/15

Y1 - 2015/7/15

N2 - Abstract Copper and iron dissolution of Zijinshan low-grade copper sulfide ores was investigated in ore-packed columns. At 60 °C and pH 1.0, 37.1 g Fe(III) L- 1 permitted effective copper dissolution and inhibited the activity of iron-oxidizing microorganisms. At 30 °C, microorganisms stimulated Fe(II) and pyrite oxidation, resulting in 85 and 54% of copper and pyrite extraction yields, respectively. Bacteria belonging to the genera Acidithiobacillus and Leptospirillum were dominant as observed by real-time PCR assay. Aeration and inoculation of columns were not necessary. Solutions had a higher pH of 1.7 in the columns operated without recirculation. Under these conditions, copper extraction was not affected and Fe(III) precipitated as jarosite, indicating a novel method for iron control in Zijinshan copper mine.

AB - Abstract Copper and iron dissolution of Zijinshan low-grade copper sulfide ores was investigated in ore-packed columns. At 60 °C and pH 1.0, 37.1 g Fe(III) L- 1 permitted effective copper dissolution and inhibited the activity of iron-oxidizing microorganisms. At 30 °C, microorganisms stimulated Fe(II) and pyrite oxidation, resulting in 85 and 54% of copper and pyrite extraction yields, respectively. Bacteria belonging to the genera Acidithiobacillus and Leptospirillum were dominant as observed by real-time PCR assay. Aeration and inoculation of columns were not necessary. Solutions had a higher pH of 1.7 in the columns operated without recirculation. Under these conditions, copper extraction was not affected and Fe(III) precipitated as jarosite, indicating a novel method for iron control in Zijinshan copper mine.

KW - Chalcocite

KW - Column bioleaching

KW - Ferric leaching

KW - Jarosite

KW - Temperature

UR - http://www.scopus.com/inward/record.url?scp=84928725349&partnerID=8YFLogxK

U2 - 10.1016/j.minpro.2015.04.005

DO - 10.1016/j.minpro.2015.04.005

M3 - Article

VL - 139

SP - 11

EP - 16

JO - International Journal of Mineral Processing

JF - International Journal of Mineral Processing

SN - 0301-7516

M1 - 2730

ER -