Leaching of gold ores with high cyanicides: a physico-chemical modeling approach

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Kianinia Y.; KHALESI M.R.; ABDOLLAHY M.; KHODADADI DARBAN A.

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Journal: JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES) Year:2019 | Volume:10 | Issue:1 Page(s): 87-94

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Title

Leaching of gold ores with high cyanicides: a physico-chemical modeling approach

Author(s)

Kianinia Y. | KHALESI M.R. | ABDOLLAHY M. | KHODADADI DARBAN A. | Issue Writer Certificate

Keywords

LeachingQ1

LiberationQ1

Cyanide ConsumptionQ1

KineticsQ1

SpeciationQ1

Abstract

Processing of gold ores with high sulfide minerals is problematic as they consume cyanide and reduce gold Leaching. Optimization of gold Leaching and Cyanide Consumption requires a methodology to estimate the amount of exposed cyanicides, their Leaching Kinetics, and Speciation of cyanide complexes that consume the free cyanide and compete with gold. In this paper, a physico-chemical approach is presented to estimate the Liberation and exposure of cyanicides to the Leaching solution, and then prediction of the Speciation of all possible related species in the solution. The results obtained show that this methodology not only could successfully estimate the gold Leaching and Cyanide Consumption based on the mineralogical data with a lower number of parameters compared to existing empirical models, but also offers the prediction of formation of all the possible complexes that could be used for optimization purposes.

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APA: Copy

Kianinia, Y., KHALESI, M.R., ABDOLLAHY, M., & KHODADADI DARBAN, A.. (2019). Leaching of gold ores with high cyanicides: a physico-chemical modeling approach. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), 10(1 ), 87-94. SID. https://sid.ir/paper/256344/en

Vancouver: Copy

Kianinia Y., KHALESI M.R., ABDOLLAHY M., KHODADADI DARBAN A.. Leaching of gold ores with high cyanicides: a physico-chemical modeling approach. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES)[Internet]. 2019;10(1 ):87-94. Available from: https://sid.ir/paper/256344/en

IEEE: Copy

Y. Kianinia, M.R. KHALESI, M. ABDOLLAHY, and A. KHODADADI DARBAN, “Leaching of gold ores with high cyanicides: a physico-chemical modeling approach,” JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), vol. 10, no. 1 , pp. 87–94, 2019, [Online]. Available: https://sid.ir/paper/256344/en

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