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Direct Synthesis of Needlelike Aragonite CaCO3 Whiskers Using H3PO4 as an Additive
Calcium carbonate has three polymorphs: calcite, aragonite, and vaterite. Needlelike aragonite CaCO3 with a high ratio of length to diameter (aspect ratio) is widely used in plastics, rubber and ceram
Jan 1, 2014
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Wet And Dry Grinding Methods Effect On The Flotation Of Taknar Cu-Zn Sulphide Ore Using A Mixed Collector
There are interactions between different minerals from the same ore, minerals and grinding media, and the electrochemical conditions present in the system. Grinding in steel rod and ball mills is a co
Sep 1, 2012
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Sustainable Mining in the European Union (EU)
By S. Safak
Europe retains a modest position in world mining activity in terms of scale of production and mineral reserves but maintains a non-negligible role in the world mining industry. The concept of sustain
Jan 1, 2014
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Intelligent Electronic Sorting System With Multiple Sensing Features
By Jacek Kolacz
A new sensor based sorting system related to complex image analysis has been developed at Comex AS - Norway. It makes it possible to separate different mineral particles regarding their color, shape,
Sep 1, 2012
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Comparison of Wet and Dry Stirred Media Milling from Energetic and Mechanochemical Point of View
By G. Mucsi, F. Kristály, Á. Rácz, É. Gregus, K. Bohács
"Stirred media mills are widely used in the industry for fine grinding. Most of the applications work in wet mode, however dry grinding in stirred media mill comes forward more frequently nowadays. Th
Jan 1, 2018
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Geometallurgical Investigation of the Processing of Ree-Y-Nb-Zr Complex Ore
By H. Wotruba, L. Gronen, A. Hellmann, S. Sindern, J. Katzmarzyk
"This paper focuses on the beneficiation of the REE-Y-Nb-Zr complex ore from the ‘Khalzan Buregtei’ deposit, Mongolia. Pre-concentration based on mineralogical studies was investigated at the Unit of
Jan 1, 2018
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Mineral Feed Grinding Performance of Drum Mills
By P. V. Malyarov
"This paper examines the grinding and wear processes in drum mills. A summary of the industry’s long-term experience with the proposed linings is presented. A method is proposed for assessing the effi
Jan 1, 2018
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Separation Of German Kupferschiefer Lithology With NIR Sorting
By P. Romm
The German Kupferschiefer (copper shale) mining history reaches back over 800 years with its last active mines being shut down in 1990. Increasing metal demands and potential thread of future supply s
Sep 1, 2012
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Investigation of Processing of Pyrometallurgically Pre-Treated Lateritic Nickel Ores
By Klaus M. Hahn, Hermann Wotruba, Bernd G. Friedrich
"Due to an increasing demand for nickel and cobalt and the depletion of nickel sulphide deposits worldwide, the production of ferronickel from lateritic nickel ores becomes more significant. About 60
Jan 1, 2018
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The economics of large scale ore sorting
By Bianca Foggiatto, Marcos Bueno, Rajiv Chandramohan, Eddie McLean, Greg Lane
"With the increasing depletion of high-grade ore deposits, smarter mineral processing solutions are required to achieve sustainable and economic methods for mining and processing low-grade deposits. I
Jan 1, 2014
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Automated Train Operation System For A Mine
By G. K. Palshikar
Mining operations offer many opportunities for the use of IT and communication technologies to improve automation and thereby deliver higher levels of productivity, cost, quality and safety. In this p
Sep 1, 2012
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Atmospheric Oxidation of a Gold-Copper Flotation Concentrate
By Yu. E. Emelyanov, A. V. Bogorodsky, R. N. Nabiulin, S. V. Balikov
"The paper describes the results of the study of gold-copper flotation concentrate atmospheric oxidation at different sizes of material, varying oxidation time, with air or oxygen blow. The study show
Jan 1, 2018
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Depression of inherently hydrophobic minerals by hydrolyzable metal cations: Molybdenite depression in seawater
By S. Castro, L. Uribe
Seawater can be considered as a particular process water with a high concentration of NaCl (about 0.5- 0.6 mole/L) and high concentration of hydrolyzing metal cations (mainly, Mg2+ and Ca2+ ions). Mic
Jan 1, 2014
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Lead Immobilization in Artificial Contaminatd Soil Using Sulfur-Impregnated Carbonacious Material Derived From Rice Straw
By T. Wajima
"A novel carbonaceous immobilizing agent for heavy metal contaminated soil was prepared from rice straw using sulfur immersion and pyrolysis, and the lead immobilization in artificial contaminated soi
Jan 1, 2018
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Hyperspectral Imaging Applied To Minerals Processing: Procedures, Architectures And Analytical Strategies
By S. Serranti
A fast, reliable, and low cost characterization of ore minerals products, as they result from different processing actions, represents one of the most challenging targets in the mineral processing sec
Sep 1, 2012
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Recovery of Cobalt and Copper from Pyrite Concentrate
By N. Acarkan
Beneficiation of the pyrite concentrate of the Kastomonu-Küre (Northern Turkey) copper ore seems to be attractive due to its high Cu, Co, and Zn contents. Pyrite concentrate were used in the experimen
Jan 1, 2014
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Study on Beneficiation of Low-grade Diasporic Bauxite in Cyclonic Centrifugal Field
By S. L. Gao
Based on the differences in hardness and density of diaspore and aluminosilicate minerals which usually exist in Chinese diasporic bauxite, It is analysed that bauxite of this kind is difficult to be
Jan 1, 2014
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Biooxidation of Gold and Silver-Earing High Sulphide Refractory ?oncentrate
By U. Dmitrakova, G. Sedelnikova, D. Kim, E. Savari
"The paper presents the results of research on the development of gold and silver extraction technology from refractory gold sulphide flotation concentrate of one deposits of Nord-East of Russia. The
Jan 1, 2018
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Estimating Water Demand and Availability for Open Water-based Mill Cooling Systems
Mineral processing is an energy and water intensive activity. Mill comminution equipment usually has high energy requirements which necessitate extensive cooling to remove heat. Cooling requirements a
Jan 1, 2014
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Technology of Complex Processing of Phosphoric Slags with Rare-Earth Metals Recovery and Obtaining of Precipitated Silicon Dioxide
By Ata Akcil, Z. B. Karshigina, Ye. G. Bochevskaya, E. A. Sargelova, Z. S. Abisheva
Phosphorus slag is one of the most large-tonnage of yellow phosphorus production waste, which for decades stored in the slag disposal, by polluting the environment and creating environmental problems
Jan 1, 2018