2010
DOI: 10.1590/s0370-44672010000300017
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Gold recovery by KC from grinding circuit of Bergama CIP plant

Abstract: ResumoNa última década, numerosas pesquisas foram executadas com o intuito de aumentar os métodos de recuperação de ouro e encontrar tecnologias mais limpas para tal propósito. Seguindo essa vertente, esse trabalho estuda a viabilidade técnica do uso de uma centrífuga Knelson para ser utilizada em substituição ou complementação aos tradicionais processos de cianetação utilizados para recuperação de ouro. Nesse estudo, instalou-se um separador Knelson modelo KC-MD7.5 no circuito de moagem do circuito CIP da usi… Show more

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Cited by 4 publications
(4 citation statements)
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“…FeS2 + 4HClО = FeSO4 + S + 4HCl ΔG= −1024.0 kJ (10) FeS2 + 2HClО = FeCl2 + 2S + H2O + 0.5О2 ΔG = −371.4 kJ (11) According to the Gibbs energy value calculated using a computer program HSC Chemisty 8, it can be judged that the reaction (10) is mainly taking place. At the same time, hydrochloric acid reacting with iron oxides (hematite,goethite) can form iron (II, III) cations, increasing the ξ-potential in the positive direction, as indicated above.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…FeS2 + 4HClО = FeSO4 + S + 4HCl ΔG= −1024.0 kJ (10) FeS2 + 2HClО = FeCl2 + 2S + H2O + 0.5О2 ΔG = −371.4 kJ (11) According to the Gibbs energy value calculated using a computer program HSC Chemisty 8, it can be judged that the reaction (10) is mainly taking place. At the same time, hydrochloric acid reacting with iron oxides (hematite,goethite) can form iron (II, III) cations, increasing the ξ-potential in the positive direction, as indicated above.…”
Section: Resultsmentioning
confidence: 99%
“…Positive results of using centrifugal separators have been obtained in the processing of gold-containing ores from placer and indigenous deposits, current and stale tailings from processing plants, tantalum-niobium, hematite, chromium ores, ilmenite-zircon sands, and coal slurries [9][10][11][12][13][14].…”
Section: Introductionmentioning
confidence: 99%
“…Positive results of using centrifugal separators have been obtained in the processing of goldcontaining ores from placer and indigenous deposits, current and stale tailings from processing plants, tantalum-niobium, hematite, chromium ores, ilmenite-zircon sands, and coal slurries [7][8][9][10][11]32].…”
Section: Introductionmentioning
confidence: 99%
“…These gravity concentrators utilize centrifugal force to enhance the relative settling velocity between particles with different size and density [18][19][20][21][22][23].…”
Section: Introductionmentioning
confidence: 99%