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Characteristics Of High-Ash Indian Coals And Their Beneficiation By Air Dense Medium Fluidized Bed
By S. Mohanta
The air dense medium fluidized bed separator which has been developed for the dry beneficiation of coal is recognized as a low cost and high efficiency process. The success of this separator for benef
Sep 1, 2012
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Networked Floc Structure Analysis with Micro-CT Method
By H. Hamza, M. R. MacIver, M. Pawlik, L. Malin
"Size and shape are important properties of aggregates formed in engineering processes and natural systems. Measurement of aggregate size or shape is a challenge when the solids concentration is beyon
Jan 1, 2018
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Simulation of sensor-based sorting based on drill core analysis
By Kilian Neubert, Hermann Wotruba, Henning Knapp
Sensor-based sorting has been integrated into more and more applications in mineral processing over the past decades. Various sensor types, such as line scan cameras, near infrared sensors and X-ray t
Jan 1, 2014
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The Experimental Research on Flotation of Low-grade Zinc Oxide Ore
By B. Z. Wu
The flotation of low-grade zinc oxide ore which from Guizhou has been researched by sulfuration- amine method. The experimental result indicated that when pH of pulp was 11, good flotation index can b
Jan 1, 2014
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On-belt elemental analysis of lead- zinc ores using Prompt Gamma Neutron Activation Analysis
By Megha Patel
"The objective of this project was to investigate the application of Prompt Gamma Neutron Activation Analysis (PGNAA) technology to provide real-time on-belt elemental analysis of feed ore in base met
Jan 1, 2014
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Effect of a mixed-collector system on flotation of a mixed copper ore through statistical analysis
By S. Kelebek, M. Davidson
"Flotation tests were conducted on a mixed copper ore sample containing bornite and malachite with trace quantity of other secondary copper minerals. The bornite component was very floatable, in sharp
Jan 1, 2014
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Nitrogen removal from wastewater by adsorption of bentonite
By Jun Qiu, Ping Chen, Xianjun Lu
Nitrogen of different forms from wastewater was adsorbed by the natural bentonite and modified bentonite. The effects of adsorption conditions on the nitrogen removal were investigated. The experiment
Jan 1, 2014
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Effect of Epistemic Uncertainty in the Selection of Concentration Circuit Structures
By E. D. Gálvez, L. A. Cisternas, R. Acosta-Flores, F. A. Lucay
The optimal design of flotation circuits is a complex task as the mathematical model is nonconvex and includes binary variables, making it difficult to obtain the global optimum solution. Furthermore,
Jan 1, 2018
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Recovery of metals from tailings
By Häkkinen Antti, Salmimies Riina, Matveinen Maria
"Tailings generated during the upgrading of ore present a major challenge for the mineral processing industry. On one hand, the processing of tailings requires added capital input. On the other hand,
Jan 1, 2014
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On the Recovery of Associated Minerals in the Flotation Process Based on Size-Liberation Data
By H. Gallardo, J. Yianatos
Flotation is a separation process in which mineral recovery depends on the particle surface properties. The selective collection of particles by air bubbles requires hydrophobic mineral surfaces. Hydr
Jan 1, 2018
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The Effect of Some Design and Operating Variables on Vacuum Pressure and Bubble Size in a Jameson Cell
By James A. Finch, Xiangzhou Ding, Yue Hua Tan
"The Jameson Cell is one of the choices of flotation machine in coal, base metal processing and other specialist applications. This paper determines the effect on vacuum pressure and bubble size of tw
Jan 1, 2018
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Mineral Solid Transport in a Two-Dimensional Flotation Froth
By J. Yianatos, C. Matamoros, F. Díaz
The non-selective entrainment of fine solids in flotation equipment has a detrimental effect on the concentrate grade. Reduction of solids entrainment (upgrading) is typically related with a loss in r
Jan 1, 2018
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Automated Control System of Technological Process of Grinding Ore on the Basis of the Mathematical Model of Loading of the Mill
By M. E. Taranenko, V. A. Krivonosov, S. A. Nemykin
"In concentrating production energy-consuming power installations are wide used, the most powerful of them are the wet autogenous grinding mill operating in closed circuit with a spiral classifier. Th
Jan 1, 2018
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Improving the performance of industrial horizontal vacuum belt filters by adding chemical reagents
By R. Hejazi, Saghaeian. M., H. Abedini
Continuous vacuum belt filters mainly carry out an important duty in the solid-liquid separation processes such as iron ore concentrate dewatering. However as the particles become finer, the resistanc
Jan 1, 2014
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A CFD Simulation of the Hydrodynamics of a Reactor With and Without a Draft Tube
By H. Pearce, A. E. Lewis, A. Ochieng
Hydrodynamics and mixing are fundamental to the operation of mineral process systems such as flotation cells and metal precipitation reactors. The computational fluid dynamics (CFD) technique has been
Jan 1, 2003
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Electrokinetic behavior of egyptian coal in the presence of some nonionic surfactants
By E. Kusaka, M. EL Salmawy
"The electrokinetic behavior of EL Maghara coal has been investigated in the presence of nonyl and octyl nonionic surfactants containing polyethoxy of different sizes with trade names of Triton-X100 (
Jan 1, 2014
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The effect of gas dispersion properties on water recovery in flotation columns
By J. Bouchard, Ali Vazirizadeh, R. del Villar
"The amount of water reporting to the concentrate correlates well with the solid entrainment. It is well known that the frother and collector dosage as well as the froth depth and gas rate influence t
Jan 1, 2014
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Mineralogical Insight into the Copper Selective Flotation at “DPM Chelopech“ Concentrator
By L. Stamenov, H. Bouzahzah, S. Gaydardzhiev, D. Naumov
"The Chelopech epithermal arsenic bearing high-sulphidation, copper-gold deposit located in Bulgaria is often referred as the richest European gold deposit currently under exploitation. Key points fro
Jan 1, 2018
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Sorptive flotation of heavy metals by microorganism
By Gabriela Pino, Maurício Torem, Diego Veneu
Because of its simplicity, economy and biocompatibility, research regarding the use of microorganism for decontaminating heavy metals produced by many industries is an area of growing interest. Also,
Jan 1, 2014
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Effect of the grinding circumstances on the mechanical activation of fly ash in stirred media mill
By Gábor Mucsi, Barnabás Csoke, Viktor Mádai, Zoltán Molnár, Viktor Török, Ádám Rácz
The application of the stirred media mill in dry mode came to the front only in recent years, but at the same time several questions arise, such as aggregation, agglomeration, sticking on the liners a
Jan 1, 2014