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Modelling of Galenite Flotation from a Dissaminated Pb-Zn Ore Using Central Composite Design Method
By H. Koca, D. O. Aksoy, S. Koca
"In this work, modelling of galena flotation from a disseminated Pb-Zn ore containing 0,83 % Pb was investigated. In the flotation experiments, collector type and amount, frother type and amount, part
Jan 1, 2018
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The Evaluation of the Energy Efficiency of the Crushing Process «In the Layer» in Cone Crushers
By E. V. Bratygin, S. P. Elnikova
"In the article carrying out technique of experiments for estimation of power efficiency of process of crushing in cone crushers «in a layer». The conformity of the granulometric characteristics of th
Jan 1, 2018
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Particles Segregation in Gravity Concentration of Fine-grained Ores and Materials
By A. V. Bogdanovich
Until recently, in consideration of fundamentals of gravity concentration theory, all computations have been based on determination of particles? fall velocity in an unrestricted medium (hydraulic siz
Jan 1, 2014
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The Behavior of Fine Copper Sulfide Minerals in a Denver-Type Flotation Cell Operated with Forced Air
By M. Kosugi, M. Kawata, J. V. Satur, K. Mitsuhashi, R. Kawarabuki, W. Kracht, Y. Ebisu
Copper concentration is becoming more difficult because remaining copper ores are more complex and of finer copper mineral grain size, making copper minerals harder to float because of the fine partic
Jan 1, 2018
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A CFD study of a magnetic separator with spheres matrix
By B. Mishra, Rahul Mohanty, Swati Mohanty, Swagatika Dash
Wet high intensity magnetic separators have been widely used in the mineral industry for separation of mineral particles based on magnetic properties. Usually, magnetic separators employ ordered array
Jan 1, 2014
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Characterization of fine aggregates produced by construction and demolition waste processing
By Gustav Hawlitschek, Henrique Kahn, Carina Ulsen, Renato Contessotto
"The problems related to waste dumping increased with the growth and development of large cities. In the U.K., more than 50% of landfill waste comes from construction use and the U.S. alone produces a
Jan 1, 2014
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Interpreting low energy attrition behaviour in a pilot mill using numerical modelling
By Nirmal Weerasekara, Malcolm Powell, Mohsen Yahyaei
"The conditions under which rocks become superficially damaged during the grinding process are not well understood. The main purpose of the work presented here is to understand how superficial breakag
Jan 1, 2014
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Measurement of Gas Velocity in Industrial Flotation Cells
By C. Gomez, J. Finch, R. Dalhke, J. Torrealba-Vargas
The velocity of gas passing through a flotation cell can be estimated by collecting bubbles by natural buoyancy in a closed tube and measuring the rate of pressure increase. The governing equation is
Jan 1, 2003
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Flotation Recovery of Rare Metals from Gravity Tailings
By S. A. Bogidaev, M. Yu. Tiunov
"The paper describes the results of the flotation tests with complex rare metal ores from deposits in the Trans-Baikal Territory. Correlations between the quality of produced wolframite, hubnerite and
Jan 1, 2018
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Testing the High Frequency Fine Screen Model Using Industrial Data
By S. Gomez, P. A. Bebswa, A. N. Mwale
"The research aimed at improving the way screen performance analysis is conducted using a model that accounts for most feed and design parameters in its formulation. Thus, the aim was to validate the
Jan 1, 2018
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Application of different wet high intensity magnetic separators in Gole-Gohar mine
By Masoud Askari, Ahmad Rafizadeh, Shahamat Rostami, Mohammad Qaredaqi
Gole - Gohar Iron ore mines located in Sirjan, Southeast of Iran, have more than 1 billion Iron ore deposit and this area comprises 45 % of Iran Iron reservoirs. The aim of Wet tailing processing line
Jan 1, 2014
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Research on the Relationship of Three Amine Collector?s Structure and Their Flotation Performances on Three Aluminosilicate
By X. F. Cao
There was a large reserve of bauxite resources in China. And these resources were mainly the dias-pore-bauxite and contained plenty of aluminosilicate including kaolinite, illite and pyrophyllite. Red
Jan 1, 2014
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Effects of froth depth and gas rate on an estimate of flotation froth phase bubble sizes
By Michael. H. Moys, Clayton Bhondayi
An electro-resistive measuring technique developed by the authors was used to study the effects of superficial gas velocity and froth height on froth phase bubble sizes as a function of height above t
Jan 1, 2014
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Size-By-Size Evaluation of the Concentration Process in Spiral Concentrators
By D. Izerdem, S. L. Ergun
"Beneficiation of the finely disseminated valuable minerals has been an important issue in the mineral processing field for decades. Treatment of the fine materials becomes difficult with using tradit
Jan 1, 2018
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Cyanide preg-robbing effect is a problem, which can arise during autoclave processing of double refractory gold ores
By Artem Dolotov, Alexander Ter-Oranesyants, Saveliy Kaplan, Boris Axenov, Vasiliy Kovalev, Valeriy Tsyplakov, Konstantin Grigorjev, Nikolai Vorob’ev-Desyatovskii
The issues of double refractory gold ores pressure oxidation were considered. It was demonstrated that along with chloride autoclave preg-robbing which has been studied there are other negative extern
Jan 1, 2014
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Optimization of Jig Separation with Fluidization of Particle Layer
By K. Hori
In this study, the determination of optimal conditions for jig separation has been investigated with a TACUB jig separator. The TACUB jig, from which a Batac jig originated, is a useful gravity separa
Jan 1, 2014
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Extraction of Copper from Technogenic Water by the Method Galvanic Coagulation
By V. A. Feofanov
Technogenic water of ore mining enterprises, nonferrous metals operations, the enterprises of electroplating and instrument making, containing copper in the form of those or other connections can serv
Jan 1, 2014
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The Air Flotation Thickening of Wasted Activated Sludge by Adding Collectors Used in Mineral Flotation
By T. C. Sun
Two wasted activated sludges (WAS), from an industrial wastewater treatment and a sewage treatment plant respectively, and 7 collectors are used to investigate the feasibility of air flotation thicken
Jan 1, 2014
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Influence of granulometry and bed height in jigging performance at TATASTEEL
By Vishal Shukla, Ashok Kumar, Manas Ranjan, D. Chakraborty, Narayan Sharma
Jigging has a very important role in mineral processing Industry. Upgrading of Iron Ore by jigging has been an emerging trend. A detailed investigation is carried out to understand the influence of Ji
Jan 1, 2014
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Optimising Froth Stability of Copper Flotation Tailings
By A. R. Videla, P. R. Brito-Parada, I. Mackay
"Linking results from laboratory scale experiments to industrial flotation behaviour is challenging. Typically, such experiments involve batch tests in which the system does not operate at steady-stat
Jan 1, 2018