1982
DOI: 10.1007/bf00615093
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Anodic reactions of Ni3S2, ?-NiS and nickel matte

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1983
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Cited by 12 publications
(6 citation statements)
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“…Furthermore, it is noted that the nickel 3d-band centers become more negative as the ratio of Ni to S decreases for the five nickel sulfides, which means that the nickel sulfide with the lower ratio should be more difficult to be oxidized. Hence, it can be concluded that the oxidation reactions of the nickel sulfides takes place sequentially while decreasing the ratio of Ni to S, which is in good agreement with the experimental findings in the oxidized leaching of heazlewoodite under acidic conditions. , …”
Section: Resultssupporting
confidence: 89%
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“…Furthermore, it is noted that the nickel 3d-band centers become more negative as the ratio of Ni to S decreases for the five nickel sulfides, which means that the nickel sulfide with the lower ratio should be more difficult to be oxidized. Hence, it can be concluded that the oxidation reactions of the nickel sulfides takes place sequentially while decreasing the ratio of Ni to S, which is in good agreement with the experimental findings in the oxidized leaching of heazlewoodite under acidic conditions. , …”
Section: Resultssupporting
confidence: 89%
“…Hence, it can be concluded that the oxidation reactions of the nickel sulfides takes place sequentially while decreasing the ratio of Ni to S, which is in good agreement with the experimental findings in the oxidized leaching of heazlewoodite under acidic conditions. 10,11 The calculated values of the Cu 3d-band centers in Cu 1.96 S and CuS are shown in Figure 9. Interestingly, the Cu d-band center in Cu 1.96 S (−1.37 eV) is the most positive among the A simplified illustration diagram of the Sherritt Gordon process is shown in Figure 10.…”
Section: Resultsmentioning
confidence: 99%
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“…Oxidation of Ni 3 S 2 proceeds in two stages with formation of an intermediate compound (NiS) and subsequent formation of elementary sulfur and nickel cations. In the basis of information from [3,[10][11][12][13][14] it may be proposed that dissolution of phases does not proceed uniformly. Most intensely from the surface of particles is dissolution of nickel metal phase and oxidation of non-stoichiometric sulfide Ni 3 S 2 proceeds with formation of NiS and nickel cations [14].…”
Section: Resultsmentioning
confidence: 99%
“…In the basis of information from [3,[10][11][12][13][14] it may be proposed that dissolution of phases does not proceed uniformly. Most intensely from the surface of particles is dissolution of nickel metal phase and oxidation of non-stoichiometric sulfide Ni 3 S 2 proceeds with formation of NiS and nickel cations [14]. Therefore, there is leaching of the metal phase from the matte surface.…”
Section: Resultsmentioning
confidence: 99%