March 2019
Volume 71    Issue 3

Leaching of trace amounts of metals from flotation tailings in cupric chloride solutions

Altinkaya, Pelin; Liipo, Jussi; Kolehmainen, Eero; Haapalainen, Mika; Leikola, Maria; Lundstrom, Mari


Full-text paper:
Altinkaya, P., Liipo, J., Kolehmainen, E. et al. Mining, Metallurgy & Exploration (2018).

Chloride leaching has many advantages compared with other alternative processes to cyanidation because it has increased metal solubility, improved redox behavior and high leaching rate properties. Also, chlorination is a nontoxic and environmentally friendly process, which is sought by the mining and metallurgy industry. In addition to these advantages, chloride is an effective reagent for the dissolving of metals from refractory ores and process residues that have trace amounts of valuable metals waiting to be valorized. 


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