Flotation in acid mine drainage control

Beneficiation of concentrate

Jaakko Leppinen, P. Salonsaari, Veikko Palosaari

Research output: Contribution to journalArticleScientificpeer-review

18 Citations (Scopus)

Abstract

This paper is focused on recovering residual sulfide minerals by flotation from the tailing of the Pyhäsalmi Cu-Zn mine in Finland. The tailing contains 4–8% sulfide sulfur and according to the static test it is strongly acid producing, having a low ratio of neutralization potential to acid production potential (NP/AP < 1). The NP/AP ratio could be markedly improved (> 1) by flotation treatment of the tailing. Fine pyrite caused sulfide losses in the flotation while incomplete liberation had only a minor effect on the acid production potential. The cleaner concentrate obtained during the flotation of the tailing contained 33% sulfur, 1% zinc, 0.7% copper, 2.8 g/t gold, and 40 g/t silver. Potential process options are available today for partial beneficiation of the concentrate but further development work is needed for recovering all the valuable elements and eliminating the waste pile.

Original languageEnglish
Pages (from-to)225 - 230
Number of pages6
JournalCanadian Metallurgical Quarterly
Volume36
Issue number4
DOIs
Publication statusPublished - 1997
MoE publication typeA1 Journal article-refereed

Fingerprint

Beneficiation
Tailings
Flotation
Drainage
Acids
Sulfides
Sulfur
Sulfide minerals
Pyrites
Transcription Factor AP-1
Silver
Gold
Piles
Zinc
Copper

Cite this

Leppinen, Jaakko ; Salonsaari, P. ; Palosaari, Veikko. / Flotation in acid mine drainage control : Beneficiation of concentrate. In: Canadian Metallurgical Quarterly. 1997 ; Vol. 36, No. 4. pp. 225 - 230.
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Flotation in acid mine drainage control : Beneficiation of concentrate. / Leppinen, Jaakko; Salonsaari, P.; Palosaari, Veikko.

In: Canadian Metallurgical Quarterly, Vol. 36, No. 4, 1997, p. 225 - 230.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Flotation in acid mine drainage control

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AU - Palosaari, Veikko

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AB - This paper is focused on recovering residual sulfide minerals by flotation from the tailing of the Pyhäsalmi Cu-Zn mine in Finland. The tailing contains 4–8% sulfide sulfur and according to the static test it is strongly acid producing, having a low ratio of neutralization potential to acid production potential (NP/AP < 1). The NP/AP ratio could be markedly improved (> 1) by flotation treatment of the tailing. Fine pyrite caused sulfide losses in the flotation while incomplete liberation had only a minor effect on the acid production potential. The cleaner concentrate obtained during the flotation of the tailing contained 33% sulfur, 1% zinc, 0.7% copper, 2.8 g/t gold, and 40 g/t silver. Potential process options are available today for partial beneficiation of the concentrate but further development work is needed for recovering all the valuable elements and eliminating the waste pile.

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