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Characteristics of Secondary Copper Minerals Using Heat and Microwave Treatments for Physical Separation
By G. Dodbiba, T. Fujita, M. Kawata, S. Yamasaki, K. Mitsuhashi, J. Ponou, Y. Iwazaki, T. Atarashi
"The grade of copper ore and concentrate is recently decreasing and it will continues decrease further in the future. The effective liberation treatment for low grade copper ore and the removal of ars
Jan 1, 2018
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A Composite Thionocarbamate and Mercaptan Collector: Synthesis and Flotation Performance to Chalcopyrite
By Hong Zhong, Shuai Wang, Xin Ma
"In this paper, we report a simple and effective process for producing a surfactant mixture of O-isopropyl-N-ethyl thionocarbamate (IPETC) and 4-(tert-butyl)benzyl mercaptan (BBSH). The composite coll
Jan 1, 2018
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Influencing Parameters of the Selective Comminution at Impact Load
By H. Lieberwirth, M. Hesse
"Selective comminution (SC) is beneficial for the treatment of primary raw materials, especially if it is utilized in the pre-concentration process. Pre-concentration processes are applied in mineral
Jan 1, 2018
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Selective Sorption of Nickel and Cobalt From Acid Liquors Using Chelating Resins (0f942610-63b8-4dff-8af9-adf2d4c23f68)
By Renato S. Costa, Afonso H. Martins, Flávia D. Mendes
"This paper presents some important aspects regarding the ion exchange treatment of an Ni and Co sulphate acidic liquor using chelating resins. Chelating resins possessing iminodiacetic or bis-picolyl
Jan 1, 2003
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The use of molecular modelling for process development of Au-Bi- Fe3O4 ores
By N. Nehoroshev, P. Solozhenkin, N. Voyloshnikova, A. Pshennikov
"Molecular modeling of clusters of major bismuth minerals, Bi2S3, was carried out whereby molecular models of minerals and reagents clusters were created. Their HOMO and LUMO energy levels were calcul
Jan 1, 2014
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Preparation of a New Porous Apatite Product from Phosphorite
By Z. L. Huang
A new porous apatite product was prepared using phosphorite from Yichang China by a tem-plate-directed method in self-made reaction equipment under constant temperature and pressure. The product was c
Jan 1, 2014
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Analysis And Mathematical Modelling Of Hydrocyclones - An Overview
By R. Venugopal
Hydrocyclones have been used extensively for more than 100 years to classify mineral slurries for recirculation in grinding circuits. Sometimes hydrocyclone classification is carried out in more than
Sep 1, 2012
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Industrial Production of Metal Sulphides by Means of Reaction Grinding
By E. Gock
Based on the scientific investigations on mechanochemical synthesis of metal sulphides from metals or metal compounds and sulphur or sulphur compounds, the article describes the industrial production
Jan 1, 2014
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Thermo- and Hydrochemical Modification of Solid Minerals Containing Argillaceous Varieties
By I. D. Ustinov, V. A. Arsentyev, A. O. Mezenin, A. M. Gerasimov
"The solid mineral raw materials of the sediment deposits containing the argillaceous variations such as the coal and the potash ores are the most multi-tonnage solid minerals mined and processed in t
Jan 1, 2018
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Mineral Processing Technology for Multi-Metallic Tungsten Ores in China
By C. Y. Sun
China is a country with abundant resources of tungsten, taking one of the world?s top-positions regarding both the total reserve and the amount of industrial production. China?s tungsten resources occ
Jan 1, 2014
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An Evaluation Of Various Energy-Size Relationships For Prediction Of Specific Energy Requirement For Ball Milling Operation
By K. B. Venkatesh
In view of the importance of size reduction operations from the energy consumption point of view, during the past one hundred and fifty years a number of attempts have been made to develop a general e
Sep 1, 2012
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Dependence of Unit Cost of Gold-bearing Gravel Processing on Energy Consumption
By A. V. Neretin
This paper is a continuation and extention of the previous paper on energy-efficient placer mining methods which was presented in 2007 at the World Gold Conference in Cairns, Australia (Nere-tin, 2007
Jan 1, 2014
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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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Study of froth recovery and froth dropback behaviour in a controlled plant environment
By Reza M. Rahman, Seher Ata, Graeme J. Jameson
"This paper presents the results of a through investigation into the froth recovery measurements in a controlled plant environment using a device that allows direct collection of dropback particles fr
Jan 1, 2014
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Co-precipitation Phenomena in Wastewater Treatment of Dilute Toxic Anions
By C. Tokoro
Co-precipitation of dilute toxic anions with ferrihydrite is an important removal mechanism in wastewater treatment system. Although, numerous qualitative studies have been published on removal charac
Jan 1, 2014
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Laminar Pipe Flow of Yield Plastic Fluids
By D. J. Hallbom
The ?yield plastic? rheological model describes the flow behaviour of a variety of non-settling suspensions, including many types of mineral slurry. The current paper presents the laminar flow relatio
Jan 1, 2014
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Development of a Laboratory Test to Design Vertical Stirred Mills for Iron Ore Regrind Circuits
By D. B. Mazzinghy, L. C. de R. Machado, H. Delboni, M. G. Bergerman
"The use of vertical stirred mills in the mining industry has increased remarkably over the past few decades, as a result of growing requirement for finer ore grinding. This equipment delivers higher
Jan 1, 2018
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The Studies of Collision and Attachment Angles on Coarse Particles Flotation
By B. Rezai
Impeller speed and air flow rate are two influence parameters on coarse particles flotation and collision and attachment angles. So, in this research recovery of quartz particles at four diameter clas
Jan 1, 2014
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Experimental Investigation of New Soil Remediation Method for Organic Contaminant by Using Crush Composition (Gas Generation Composition)
By A. Shibayama
Soil contamination by organic compounds is one of the most concerned issues on polluted soil. It is well known that there are limited methods to remediate the contaminated soil on site. Especially, th
Jan 1, 2014
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Advances in Autogenous and Semi-Autogenous Grinding (XXII International Mineral Processing Congress)
By Vladimir G. Kochnev
An innovative AG and SAG technology aimed to be applied in grinding of ores and in the production of construction materials is described. A novel design of a cantilever-type mill capable to operate in
Jan 1, 2003