Electrochemical dissolution of chalcopyrite in the presence of thiourea and formamidine disulfide
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DOI: 10.1016/j.hydromet.2018.05.023
Abstract: Abstract The effects of thiourea (TU) and formamidine disulfide (FDS) on the electrochemical dissolution of chalcopyrite in sulfuric acid solution and at ambient temperature were assessed. The corrosion current densities of a CuFeS2 electrode were… read more here.
Keywords: chalcopyrite; formamidine disulfide; electrochemical dissolution; thiourea formamidine ... See more keywords
The electrochemistry and kinetics of the oxidative dissolution of chalcopyrite in ammoniacal solutions: Part I – Anodic Reactions
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DOI: 10.1016/j.hydromet.2018.10.018
Abstract: Abstract The oxidative dissolution of chalcopyrite in aqueous solutions is an electrochemical process. Such processes can be evaluated as coupled anodic and cathodic reactions using electrochemical techniques. The chalcopyrite dissolution reaction has been studied in… read more here.
Keywords: electrochemistry kinetics; oxidative dissolution; reaction; dissolution chalcopyrite ... See more keywords
The initial stages of the dissolution of chalcopyrite in chloride solutions: Validity of mixed potential model and comparison with sulfate solutions
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DOI: 10.1016/j.hydromet.2021.105721
Abstract: Abstract A relatively simple electrochemical method has been used to obtain accurate data on the rates of oxidative dissolution of chalcopyrite from well defined surface areas under ambient conditions using iron(III) or copper(II) (in chloride… read more here.
Keywords: chloride solutions; validity mixed; mixed potential; dissolution ... See more keywords