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Journal of Mining Sciences

2014 year, number 1

Mechanisms of Oleinic Acid Flotation of Nonsulfide Minerals

V. A. CHANTURIA1, S. A. KONDRAT’EV2
1Institute of Comprehensive Exploitation of Mineral Resources, Russian Academy of Sciences, Kryukovskiitupik 4, Moscow, 111020 Russia
2Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091 Russia
Keywords: флотация, оксигидрильный реагент, физическая и химическая формы сорбции, поверхностное давление, собирательная активность, flotation, oxyhydryl reagent, physical adsorption and chemical adsorption, surface pressure, collecting ability

Abstract

By the analysis of oleinic acid flotation of fluorite and hematite, it is inconsistent to use thermodynamic approach to explain the flotation effect by the chemical adsorption of the reagent only. The authors propose a hypothesis that collecting ability of a flotation reagent relates with the activity of its physical adsorption at the air-liquid interface. The hypothesis is supported with the data on flotation of rutile, zircon and fluorite. Capability of surface pressure of film generated by molecules or ion-molecule associates as the criterion of collecting ability of a flotation agent is defined.