INCREASING THE ZINC RECOVERY IN THE FLOTATION CIRCUIT OF THE BAMA PLANT USING IMPROVEMENT IN THE REAGENT DISTRIBUTION REGIMEN

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Mahdavi Amin m.; Parsapour Gh.A.; FORUTAN A.R.

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Journal: JOURNAL OF MINERAL RESOURCES ENGINEERING Year:2019 | Volume:3 | Issue:4 Page(s): 93-106

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Title

INCREASING THE ZINC RECOVERY IN THE FLOTATION CIRCUIT OF THE BAMA PLANT USING IMPROVEMENT IN THE REAGENT DISTRIBUTION REGIMEN

Author(s)

Mahdavi Amin m. | Parsapour Gh.A. | FORUTAN A.R. | Issue Writer Certificate

Keywords

Flotation

Liberation degree

coarse particle

Reagent distribution

Abstract

The particle size distribution plays an important role in the Flotation due to the impact on the bubble-particle collision, attachment, and detachment. In the mechanical Flotation cells, fine particles (generally smaller than 38 microns) have less collision performance and coarse particles (generally larger than 75 microns) have less attachment performance. High turbulence caused a detachment of the particles from the bubbles and thus reduce the performance of the attachment. In the rougher stages of Flotation of sulfide minerals, particles size is the most effective parameter. In the Flotation, the most loses of valuable particles are in the very fine and very coarse particles. In this research in order to improve the zinc recovery in the Flotation circuit of the Bama lead and zinc company, Reagent distribution regimen was improved. Therefore, in the laboratory scale, using a design experiment (Taguchi L9), different Reagent distribution regimens were compared. The results showed that the adding of 30 g/t of collector (AERO3477) in the rougher stage, along with 15 g/t of Potassium Emyl Xanthate (collector) and 7 g/t of MIBC as frother in the scavenger cells was increased the recovery of fine and coarse particles about 3. 2 and 5. 4 %, respectively. Finally, based on the laboratory results (Taguchi L9), the Reagent distribution regimen in the zinc Flotation circuit of the Bama plant was modified. After modifications, the zinc recovery in the fine and coarse particles was increased about 2. 5 and 3. 9 % respectively. Also the zinc assay of final concentrate was increased about 4. 1%.

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APA: Copy

Mahdavi Amin, m., Parsapour, Gh.A., & FORUTAN, A.R.. (2019). INCREASING THE ZINC RECOVERY IN THE FLOTATION CIRCUIT OF THE BAMA PLANT USING IMPROVEMENT IN THE REAGENT DISTRIBUTION REGIMEN. JOURNAL OF MINERAL RESOURCES ENGINEERING, 3(4 ), 93-106. SID. https://sid.ir/paper/265372/en

Vancouver: Copy

Mahdavi Amin m., Parsapour Gh.A., FORUTAN A.R.. INCREASING THE ZINC RECOVERY IN THE FLOTATION CIRCUIT OF THE BAMA PLANT USING IMPROVEMENT IN THE REAGENT DISTRIBUTION REGIMEN. JOURNAL OF MINERAL RESOURCES ENGINEERING[Internet]. 2019;3(4 ):93-106. Available from: https://sid.ir/paper/265372/en

IEEE: Copy

m. Mahdavi Amin, Gh.A. Parsapour, and A.R. FORUTAN, “INCREASING THE ZINC RECOVERY IN THE FLOTATION CIRCUIT OF THE BAMA PLANT USING IMPROVEMENT IN THE REAGENT DISTRIBUTION REGIMEN,” JOURNAL OF MINERAL RESOURCES ENGINEERING, vol. 3, no. 4 , pp. 93–106, 2019, [Online]. Available: https://sid.ir/paper/265372/en

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