Lead and Zinc Deposits of the Pine Creek Area, Coeur D'Alene Mining Region Shoshone County, Idaho

Open-File Report ◽

10.3133/ofr455 ◽

1944 ◽

Cited By ~ 1

Author(s):

J.D. Forrester ◽

Vincent E. Nelson

Keyword(s):

Coeur D'alene ◽

Mining Region ◽

Lead And Zinc ◽

Pine Creek ◽

Zinc Deposits

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Production and disposal of mill tailings in the Coeur D'Alene mining region, Shoshone County, Idaho; preliminary estimates

Open-File Report ◽

10.3133/ofr98595 ◽

1998 ◽

Cited By ~ 2

Author(s):

K.R. Long

Keyword(s):

Coeur D'alene ◽

Mining Region ◽

Mill Tailings

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Estimation of the exchange current density and comparative analysis of morphology of electrochemically produced lead and zinc deposits

Journal of the Serbian Chemical Society ◽

10.2298/jsc161114029n ◽

2017 ◽

Vol 82 (5) ◽

pp. 539-550

Author(s):

Nebojsa Nikolic ◽

Predrag Zivkovic ◽

Goran Brankovic ◽

Miomir Pavlovic

Keyword(s):

Current Density ◽

Exchange Current ◽

Exchange Current Density ◽

Diffusion Current ◽

Electron Microscopic ◽

Zinc Electrodeposition ◽

Lead And Zinc ◽

Current Densities ◽

Limiting Diffusion Current ◽

Zinc Deposits

The processes of lead and zinc electrodeposition from the very dilute electrolytes were compared by the analysis of polarization characteristics and by the scanning electron microscopic (SEM) analysis of the morphology of the deposits obtained in the galvanostatic regime of electrolysis. The exchange current densities for lead and zinc were estimated by comparison of experimentally obtained polarization curves with the simulated ones obtained for the different the exchange current density to the limiting diffusion current density ratios. Using this way for the estimation of the exchange current density, it is shown that the exchange current density for Pb was more than 1300 times higher than the one for Zn. In this way, it is confirmed that the Pb electrodeposition processes are considerably faster than the Zn electrodeposition processes. The difference in the rate of electrochemical processes was confirmed by a comparison of morphologies of lead and zinc deposits obtained at current densities which corresponded to 0.25 and 0.50 values of the limiting diffusion current densities.

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