Sulfuric Acid Baking and Fe(III)-Cl‑H2SO4 Leaching Behavior of Ni- and Cu-Containing Sulfide and Silicate Rich Suhanko Concentrate

Autor: Pingchao Ke, Marja Rinne, Taina Kalliomäki, Zulin Wang, Pyry-Mikko Hannula, Benjamin P. Wilson, Mari Lundström

Publikováno v: ACS Omega, Vol 9, Iss 24, Pp 26121-26132 (2024)

Externí odkaz: https://doaj.org/article/5164737a9ce64467a0e5bcdaddbff9ab

Validation of electrolyte conductivity models in industrial copper electrorefining

Autor: Petri Latostenmaa, Olof Forsén, Taina Kalliomäki, Jari Aromaa, Mari Lundström, Lotta Rintala, Iiro Lehtiniemi

Publikováno v: Lehtiniemi, I, Kalliomäki, T, Rintala, L, Latostenmaa, P, Aromaa, J, Forsén, O & Lundström, M 2018, ' Validation of electrolyte conductivity models in industrial copper electrorefining ', Minerals and Metallurgical Processing, vol. 35, no. 3, pp. 117-124 . https://doi.org/10.19150/mmp.8460

Conductivity is a typical physico-chemical property that has a substantial effect on electrical energy consumption in the electrorefining process. The objective of this study was to examine the validity of regression models predicting the conductivit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::756ac820ca5d147065027ac964720816
https://doi.org/10.19150/mmp.8460

Modelling the effect of temperature and free acid, silver, copper and lead concentrations on silver electrorefining electrolyte conductivity

Autor: Mari Lundström, Benjamin P. Wilson, Taina Kalliomäki, Jari Aromaa, Arif T. Aji

Publikováno v: Hydrometallurgy. 166:154-159

Conductivity is one of the key physico-chemical properties of electrolyte in silver electrorefining since it affects the energy consumption of the process. As electrorefining process development trends towards high current density operation, having e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::056467d9b1a5ac412795697a55e96504
https://doi.org/10.1016/j.hydromet.2016.09.006

Dissolution of copper and nickel from nickel-rich anode slimes under oxidized pressure leaching

Autor: Pekka Taskinen, Udit S. Mohanty, Taina Kalliomäki, Chao Peng, Lotta Rintala, Jari Aromaa, Petteri Halli, Sipi Seisko, Mari Lundström

Publikováno v: Mohanty, U S, Kalliomäki, T, Seisko, S, Peng, C, Rintala, L, Halli, P, Aromaa, J, Taskinen, P & Lundström, M 2021, ' Dissolution of copper and nickel from nickel-rich anode slimes under oxidized pressure leaching ', Mineral Processing and Extractive Metallurgy: Transactions of the Institute of Mining and Metallurgy, vol. 130, no. 4, pp. 378-387 . https://doi.org/10.1080/25726641.2019.1670008

Anode slimes are valuable by-products in the electrolytic copper refinery process. This study aimed to investigate maximum extraction efficiency of Cu and Ni from slimes originating from the electrorefining of anodes containing high [Ni]. In addition

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::740dac07870435c826485ba981d1b232
https://aaltodoc.aalto.fi/handle/123456789/43134

Modeling the Effect of Composition and Temperature on the Conductivity of Synthetic Copper Electrorefining Electrolyte

Autor: Jari Aromaa, Taina Kalliomäki, Mari Lundström

Publikováno v: Minerals; Volume 6; Issue 3; Pages: 59

The physico-chemical properties of the copper electrolyte significantly affect the energy consumption of the electrorefining process and the quality of the cathode product. Favorable conditions for electrorefining processes are typically achieved by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d70d15899cef7b485df5cbba86c8778
https://doi.org/10.3390/min6030059