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Analysis of Complexing and Adsorption Properties of Dithiocarbamates Based on Cyclic and Aliphatic Amines for Gold Ore Flotation

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Abstract

The authors find that morpholine dithiocarbamate (MDTC) and S-cyanoethyl N, N-diethyl dithiocarbamate (CEDETC) are capable to form stable compounds with gold in the solution and to form an adsorption layer on the surface of gold-bearing sulphides, which points at them as new selective collectors for gold recovery from rebellious ore. The coating area of MDTC on the surface of chalcopyrite, arsenopyrite and pyrite, with new discrete growths is quantitatively assessed. CEDETC improves floatability of chalcopyrite by 1.5–2.0 times as against butyl xanthate at low consumption of reagents, while difference in floatability of chalcopyrite and arsenopyrite considerably grows, which is indicative of a beneficial effect on production of Au-Cu concentrates with lower As content by flotation.

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Authors and Affiliations

  1. Academician Melnikov Institute of Comprehensive Exploitation of Mineral Resources, Russian Academy of Sciences, Moscow, 111020, Russia

    T. N. Matveeva, N. K. Gromova & L. B. Lantsova

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  1. T. N. Matveeva
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  2. N. K. Gromova
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  3. L. B. Lantsova
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Correspondence to T. N. Matveeva.

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Russian Text © The Author(s), 2020, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2020, no. 2, pp. 121–127.

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Matveeva, T.N., Gromova, N.K. & Lantsova, L.B. Analysis of Complexing and Adsorption Properties of Dithiocarbamates Based on Cyclic and Aliphatic Amines for Gold Ore Flotation. J Min Sci 56, 268–274 (2020). https://doi.org/10.1134/S1062739120026745

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  • DOI: https://doi.org/10.1134/S1062739120026745

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