Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Evaluation of the Physico-Mechanical Properties of Plutonic Rocks Based on Texture Coefficient
By U. Atici, R. Comakli
"Understanding rock properties is of vital importance in mining and civil engineering. Rock properties are generally determined through laboratory tests, which require a large number of uniformly shap
Jan 1, 2019
-
Quantifying uncertainty in rock mass properties: Implications for GSI, RMi, and RMR assessments
By M. Z. Emad, A. Khan, N. Abbas, K. G. Li
Probability-based empirical methods were employed as an alternative approach to predicting uncertainties associated with rock mass properties. The focus was on developing probabilistic spreadsheets to
Jun 10, 2024
-
Research of electro-photo activation of gold leaching of refractory low-sulfide ore, A.V. Rasskazov
By A. V. Rasskazova
Theoretical substantiation of leaching of clustered ultra-fine gold by the electro-photo activated cyanide and chloride solutions is given in the paper; and processes of activation of leach solution b
Jan 1, 2020
-
Rheology based CFD model for performance of dual-component classification in a hydrocyclone, M. Padhi and N. Mangadoddy
By N. Mangadoddy, M. Padhi
The simulation of multi-component classification with modified viscosity model is the key focus in the current study. The classification of the ores using hydrocyclone is a renowned process and has a
Jan 1, 2020
-
Modeling the emission of dust due to abrasion during stockpiling of iron ore pellets, H.A. Petit, P.P. Cavalcanti, and L.M. Tavares
By L. M. Tavares, H. A. Petit, P. P. Cavalcanti
Iron ore pellets experience degradation during handling due low energy impacts and stresses. These impacts lead to volume or surface breakage of the pellets, creating fine particles that accumulate al
Jan 1, 2020
-
Comparison of calcium-removal options in the treatment of minewater reclamation retentates, H.R. Heydenrych, J. Chivavava, M. Shaw, E. Glass, and A.E. Lewis
By M. Shaw, H. R. Heydenrych, A. E. Lewis, E. Glass, J. Chivavava
The removal of calcium from the retentates of reverse osmosis (RO) treated minewater is desirable since it allows the recovery of both additional potable water (through RO) and higher-purity salts (in
Jan 1, 2020
-
Steady Lagrangian, unsteady Eulerian numerical prediction of cyclone separation efficiency curve, A. Della Rocca, B. Henning, and P. Jonker
By A. Della Rocca, P. Jonker, B. Henning
Successful prediction of the collection efficiency of cyclone separators is a necessary step in cyclone design and verification. Aside from standard empirical relations, CFD modelling is widely adopte
Jan 1, 2020
-
Application of metabolic flux modeling to predict carbon flow and optimize the production of chelating acids by Gluconobacter oxydans for bioleaching of rare earth elements, J.E. Aston, V.S. Thompson, Y. Fujita, Y. Jiao, and D.W. Reed
By Y. Jiao, V. S. Thompson, D. W. Reed, Y. Fujita, J. E. Aston
Rare earth elements (REE) are vital components in modern electronics and green technology products. Supply is tight and global demand is expected to increase, leading to high risk for the economic and
Jan 1, 2020
-
Real time phosphorus analysis using GEOSCAN on belt analysers at Assmang Khumani Mine in the Northern Cape, L.A. Balzan, F. Nieuwenhuys, and M. Kalicinski
By L. A. Balzan, M. Kalicinski, F. Nieuwenhuys
GEOSCANs on belt analysers have been widely utilised in iron ore for nearly two decades. Since the first installations in 2003, the availability of accurate and reliable grade data has become standard
Jan 1, 2020
-
Selection of solution for desorption of rare-earth metals from cationite saturated by ions of these elements from extraction phosphoric acid, M.A. Naimanbayev, B.K. Kenzhaliyev, N.G. Lokhova, and Zh.A. Baltabekova
By B. k. Kenzhaliyev, M. A. Naimanbayev, Zh. A. Baltabekova, N. G. Lokhova
In research various desorbents were used to desorb the following rare-earth metals from Purosorb 140 cation exchanger, i.e. ammonium chloride; ammonium sulfate; a mixture of nitric acid and ammonium n
Jan 1, 2020
-
Investigating the effect of electrolyte physicochemical properties on electrodeposition and the incorporation of these effects in copper electrowinning models, C. Chibwe and M. Tadie
By C. Chibwe, M. Tadie
Copper electrowinning models are useful for prediction of process performance, optimisation and improved understanding of complex phenomena such as current distribution without the expense of physical
Jan 1, 2020
-
Surface and interfacial interactions and gold cyanide leaching – A brief review, R.K. Asamoah, M. Krasowska, and W. Skinner
By M. Krasowska, W. Skinner, R. K. Asamoah
Understanding chemical interactions at solid-liquid interfaces have played a pivotal role in improving mineral flotation performance, increasing the rate of mineral crystallisation and profitable leac
Jan 1, 2020
-
A mathematical mould model for transient infiltration and lubrication behaviour of slag in a steel continuous casting process
By B. Yu, M-H. Cao, C. Zhou, X-Z. Zhang
The transient infiltration and lubrication behaviour of slag during continuous casting of steel is important for billet quality. A two-dimensional coupled mathematical mould model was developed to inv
Apr 16, 2024
-
Behaviour of Cu, Fe, Ni, and PGMs during leaching of Ni-Fe-Cu-S converter matte
By G. Akdogan, S. M. Bradshaw, A. P. Van Wyk
In the mineral processing industry, Ni-Cu-Fe-S converter matte is leached to remove base metals from a concentrate containing platinum group metals (PGMs). We investigated the atmospheric leaching pro
Nov 1, 2021
-
Prediction of rock fragmentation using the Kuznetsov-Cunningham-Ouchterlony model
By E. K. Mutinda, D. K. Maina, R. M. Kasomo, B. O. Alunda
Assessment of blast fragment size distribution is critical in mining operations because it is the initial step towards mineral extraction. Different empirical models and techniques are available for p
Mar 1, 2021
-
Effect of titanium content on solidification structure of ferritic stainless steel gas–tungsten and gas–metal arc welds
By L. S. Linda, P. G. H Pistorius
Ferritic stainless steel is utilized to fabricate automotive exhaust systems using a ferritic weld metal. Ductility of the weld metal is higher if its microstructure contains a significant proportion
Jul 2, 2022
-
Increasing the contrast of flotation of finely disseminated calcium-bearing ores by using of combination low polar compounds and fatty acid collector, V.A. Ignatkina, E.D. Shepeta, L.A. Samatova, A.V. Lygach, and D.D. Aksenova
By D. D. Aksenova, V. A. Ignatkina, L. A. Samatova, A. V. Lygach, E. D. Shepeta
Calcium minerals such as scheelite, phosphate, apatite are valuable minerals, which have similar flotation properties to the calcium gangue minerals. An additional problem is the fine dispersion and c
Jan 1, 2020
-
Challenges in comparing gravity separation technologies for gold preconcentration assessment, D. Amariei and G. Bartolacci
By D. Amariei, G. Bartolacci
Preconcentration of precious and base metal ore types is becoming more relevant with the discovery, the development and the operation of many lower grade deposits around the world. Ore preconcentratio
Jan 1, 2020
-
Importance And Method Of Using Reference Materials In Measuring Reliability Of Analytical Results And Why Customers Should Use Them
By S. Marsland
Reference materials have always been important for validating and controlling analytical methods. They have recently become even more important as quality requirements have become more stringent and c
Jan 1, 2007
-
Investigation and FEM Analysis of Mineshaft Rope Safety Platforms in Underground Mining
By C. Debek, A. Wasilewicz, T. Czysz
"Both Polish and European hard coal mining nowadays faces the need of deepening shafts (significantly in some cases) or extending mining hoists, due to the exploitation of deeper coal deposits.In orde
Jan 1, 2017