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Surface species, roughness and hydrophobicity of enargite under electrochemically-controlled oxidation
By Chris Plackowski, Bruckard. Warren J., Anh V. Nguyen
"Enargite is a significant penalty mineral in the copper industry and its separation from many copper sulfides by flotation is difficult. The separation may be crudely achieved using selective oxidati
Jan 1, 2014
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Diamond Ores Gravity Concentration Regimes Optimization
By A. V. Bogdanovich, S. A. Urnysheva
"Gravity and X-ray luminescent separation methods are generally used in processing of diamond ores. X-ray luminescent separators are applied for separation of diamonds from feed ore size fractions fro
Jan 1, 2018
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Production of Saleable Copper and Zinc Concentrates Using Flotation of Mature Tailings of Non-Ferrous Ore Processing with Mechanical Attrition
By L. A. Nemchinova, M. A. Arustamian
"For a long time tailings piles of mining and smelting complexes have met the eye being a prospecting feedstock source for many industries. Nowadays, 6.5 million tons of copper and cooper-zinc process
Jan 1, 2018
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Shiralgin Mining and Processing Complex- Case Study of Gold Deposit Development in the Kyrgyz Republic
By A. V. Golovanov, A. V. Mihailova
"NPO RIVS employs complex approach to engineering and design of the new facilities in close cooperation of Mining, Research, Hydrometallurgy, Design, Construction, Power Supply, Automation, Production
Jan 1, 2018
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Thermodynamic Analysis of the Process of Solid-Phase Sintering of Ilmenite Concentrate Deposits "Central"
By E. V. Bratygin, E. G. Dmitrieva
The aim of the research was to study the thermodynamic characteristics of high-temperature processing of ilmenite concentrate deposits "Central" in a neutral and oxidizing atmosphere, as well as its i
Jan 1, 2018
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Contribution of roughness and shape factors on flotation of glass beads
By O. Guven, I. Karaagaçlioglu, O. Ozdemir, M. Çelik
In this study, the effect of morphological properties such as shape factors and roughness of the glass beads on their flotation efficiency were determined using image analysis and profilometer methods
Jan 1, 2014
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Interaction Between TiO2 And Calcite Mixture During Grinding Of Pigment In Water Based Paints
By F. Karakas
Water based paint formulations consist of some industrial minerals with quantities varying from 20 to 50 %. Quality of paint is directly related to these minerals used as pigment or filler in the prod
Sep 1, 2012
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A rheological comparison of concentrator slurry streams
By A. Mainza, I. Govender, J. Waters
"The study of the properties of mineral processing suspensions is important in understanding how a circuit might behave. As soon as the predominantly dry ore enters a wet milling stage the ore propert
Jan 1, 2014
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Applying Analysis of Mineral Surfaces to Predict Flotation Behavior
By H. Matsuoka, M. Kawata, K. Haga, K. Mitsuhashi, C. Tokoro, A. Shibayama, R. Kawarabuki
"The mineral surface characteristic is important for the flotation because it affects the flotation behavior of the mineral. Conventionally, in the flotation process for Cu sulphide ores, the degree o
Jan 1, 2018
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Key Ways To Suppress Preg-Robbing In Autoclave Treatment Of Highly Refractory Gold Concentrates
By V. Tsyplakov
This article reviews factors of preg-robbing effect, occurring in the course of pressure oxidation of ore and concentrates, containing chloride compounds and so-called 'organic carbon'. The
Sep 1, 2012
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Development of Pneumatic Flotation Incorporating Centrifugal Separation
By Rainer M. Lotzien, Michael J. G. Battersby, Jan Kleefeld, Julian V. Brown, Rainer M. Imhof
"The standard method of separation using flotation is compromised in terms of kinetics and efficiency, because of the generally slow separating differentials of fine bubbles and fine particle suspensi
Jan 1, 2003
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The Induction Time on Galena and Sphalerite Particles with Different Hydrophobicity Characteristics
By M. E. Holuszko
This paper reports the results of induction time measurements carried out on the products of film flotation of galena and sphalerite particles from three different size fractions (38~75µm; 75~150µm; 1
Jan 1, 2014
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Insights upon the adsorption mechanism of KAX on malachite
By Philippe De Donato, Odile Barres, Mukendi Kongolo, Stoyan Gaydardzhiev, David Bastin, Jean-Marie Kanda
The adsorption patterns of potassium amylxanthate on the surface of high purity malachite subjected to prior sulfidization with NaSH have been followed and elucidated. DRIFTS spectroscopy has been use
Jan 1, 2014
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Design improvements and implementation of high flow Jones® Whims in a hematite processing plant
By Mario Gerards, Sergej Podkow, Marco Steinberg
"The JONES® WHIMS technology is based on the magnetic separation process and is widely used for the recovery of magnetically susceptible iron ore particles. The conventional machine design is well-kno
Jan 1, 2014
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Theoretical Aspects of Gold-Bearing Sulfides Selective Flotation
By Tatyana A. Ivanova, Tamara N. Matveyeva, Anatoliy A. Fedorov, Tatyana V. Nedosekina, Valentin A. Chanturiya
An ingenious methodology purposively developed by the authors for comprehensive assessment of flotation properties, electrophysical characteristics and. crystal chemistry features of natural gold-bear
Jan 1, 2003
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Low temperature pressure oxidation of copper gold-bearing flotation concentrate
By Yuri Yemelianov, Stanislav Balikov, Alexander Epiforov, Andrey Boldyrev, Andrey Bogorodsky
"Test work was carried out using copper gold-bearing flotation concentrate with 6.85%Cu, 14.30%Fe, 20.70%S and 2.34%As. Gold and silver grade in the concentrate is 54.6 g/t and 92 g/t, respectively. G
Jan 1, 2014
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Selective Flotation of Chalcopyrite, Arsenopyrite and Antimonite from Complex Ores
By T. N. Matveeva, L. B. Lantsova, N. K. Gromova
"Multimetal gold-antimony ores are complexed processing products, since they are characterized by veindisseminatedsulfide mineralization with fine-dispersed submicroscopic gold, low content and uneven
Jan 1, 2018
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Electrochemical Impedance Studies Of Model Particles: The Effect Of Particle Size, Particle Shape, Hydrophobicity And Collector Dosages
By Y. J. Ferdosi
This paper presents the outcomes of the preliminary investigation focused on the potential usage of Electrochemical Impedance Spectroscopy (EIS) in minerals processing. Currently, Electrochemical Impe
Sep 1, 2012
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Direct measurement of hydrodynamic and surface forces in bubble-particle interactions
By Lei Pan, Roe-Hoan Yoon
"Direct force measurement for bubble-particle interaction has been difficult due to bubble deformation, which makes it difficult to know the separation distances between the two macroscopic surfaces.
Jan 1, 2014
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Coalescence of Bubble Pairs in Surfactant Solutions
By Seher Ata
This paper is concerned with the coalescence behaviour of two bubbles in dilute solutions of cetyltrimethylammonium bromide, methyl isobutyl carbonil and triton x-100. Two bubbles were produced at the
Jan 1, 2014