The mechanism of nickel separation from carbon materials during high-temperature treatment, I. Study of ideal systems (graphite-NiO, graphite-NiS, NiS1.03, graphite-NiSO4, graphite-NiO, NiS, NiS1.03, NiSO4) (CROSBI ID 149885)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Ugarković, Dubravka ; Rađenović, Ankica ; Novosel-Radović, Vjera
engleski
The mechanism of nickel separation from carbon materials during high-temperature treatment, I. Study of ideal systems (graphite-NiO, graphite-NiS, NiS1.03, graphite-NiSO4, graphite-NiO, NiS, NiS1.03, NiSO4)
The aim of the study was to determine the relationship between the types of chemical nickel compounds and the efficacy of nickel separation during the high-temperature treatment of ideal carbon systems: graphite-NiO, graphite-NiS, Nis1.03, graphite-NiSO4, and graphite-NiO, NiS, NiS1.03, NiSO4. The nickel compounds present were identified by X-ray diffraction before and after treatment of the samples at maximum temperatures of 1500°, 2000°, and 2400°C. Quantiative measurements of the nickel content showed a decrease in mass fraction with a rise in temperature. The same trend was true for the relative reflex intensities of the nickel compounds. During high-temperature treatment the chemical nickel compounds present were transformed to thermally more or less unstable forms, thus facilitating nickel separation.
Carbon materials; chemical reactions with nickel compounds; high-temperature treatment (HTT)
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