Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Survey And Geotechnical Slope Monitoring Considerations
By F. T. Cawood
Monitoring of the slopes of surface mines can prevent loss of life, loss of equipment, loss of production and possibly the loss of the mine. The effectiveness of such monitoring depends on the extent
Jan 1, 2006
-
Lötschberg base tunnel: brittle failure phenomena encountered during excavation of the Steg lateral adit
By V. Labiouse, P. K. Kaiser, F. Descoeudres, F. Rojat
In this paper some failure phenomena observed in the crossing of brittle rock formations at the Lötschberg base tunnel are presented. A brittle failure criteria, recently developed by Canadian researc
Jan 1, 2003
-
A Proposed Preliminary Model for Monitoring Hearing Conservation Programmes in the Mining Sector in South Africa
By O. Nyandoro, K. Khoza-Shangase, M. Madahana, N. Moroe
"Occupational noise-induced hearing loss (ONIHL) is classified as the leading work-related disability in the mining industry. ONIHL has a negative impact, on not only the health and occupational produ
Jul 1, 2019
-
Analysis of water permeation process in rock by X-ray CT
By D. Fukahori, K. Sugawara, A. Sato
X-ray Computed Tomography (CT) is a nondestructive imaging technique, and its efficiency is widely recognized. In the present paper, X-ray CT is successfully applied for the visualization of water per
Jan 1, 2003
-
Annual Report - For The Year Ended 30th June, 2002
Council for 2001/2002 President A.A.B. Douglas President-elect S.J. Ramokgopa Vice-presidents Senior F.M.G. Egerton Junior Prof. T.R. Stacey Immediate Past-president Dr L.A. Cra
Jan 1, 2002
-
Excavation simulation for information-oriented construction of large powerhouse caverns at depth
By J. Xiao, Y. Jiang, Y. Tanabashi, Z. Song
Modelling the effect of blasting-caused damage, anisotropy of rock masses and excavation sequence on deformational behaviour and stability of large-scale underground caverns is important in the design
Jan 1, 2003
-
Considering in situ grade variability during mining sequence
By R. Peroni, J. Kopp
Mine planning and scheduling is based on using a geological model for the deposit. Blocks are used to discretize the deposit into mineable volumes where grade values are assigned. Traditional estimati
Jan 1, 2003
-
Evaluation of a Versatic 10 Acid/Nicksyn? Synergistic System for the Recovery of Nickel and Cobalt From a Typical Lateritic Leach Liquor
By A. C. du Preez
Mintek has been involved in extensive test work since the early 1990s on the recovery of nickel and cobalt from leach liquors saturated in calcium, using synergistic solvent extraction systems. During
Jan 1, 2014
-
Changing Requirements Of Ferroalloys For Flat Products - User?s Perspective
By A. K. Das, S. Pathak, C. Bhanu, P. K. Tripathy
Ferroalloys are integral part of steel melting process. The purpose of using ferroalloys is three fold e.g. killing of steel, modifying the slag composition and steel alloying. Amount of ferroalloys u
Jan 1, 2007
-
Something for nothing?—An unconventional approach to extracting three-dimensional grade information from two-dimensional estimation of thin, tabular reef deposits
This paper presents an initial investigation into the viability of co-kriging the grades of multiple mining cuts in a two dimensional, thin reef scenario. Deposits with gradational mineralized zones,
Jan 1, 2003
-
Optimisation Of Specific Power Consumption In The Production Of Ferro Alloys Through Rationalisation Of Charge Distribution
By S. Ranganathan
Production of ferro-chromium in the submerged-arc furnace is highly energy-intensive. Several process rates have been attempted to reduce the specific energy consumption in the production of this allo
Jan 1, 2007
-
1.2 McWha - Manufacture And Use Of Reference Materials
By Mike McWha
Drivers to increasing RM use ?Compliance issues ?Section 12 JSE Listing Rules ?Canadian NI 43-101 ?Sarbanes Oxley ?Shortage of African ore reference materials ?Poor perceptions about quality
Jan 1, 2005
-
Modelling of solvent extraction processes: Case of cobalt recovery from acidic chloride media, A. Chagnes
By A. Chagnes
This paper presents a modelling tool that can be used to predict the behaviour of solvent extraction processes. In particular, this model allows calculating metal extraction efficiency as a function o
Jan 1, 2020
-
Annual Report - For The Year Ended 30th June, 2003
Council for 2002/2003 President S.J. Ramokgopa President-elect T.R. Stacey Vice-presidents Senior F.M.G. Egerton Junior W.H. van Niekerk Immediate Past-president A.A.B. Dougla
Jan 1, 2003
-
Activity of chromium oxide in CaO-SiO2based slags at 1873 K
By K. Morita, N. Sano
Thermodynamic properties of chromium oxides in molten slags are very important for optimization of stainless steel refining processes as well as reduction processes of chromium ores. The solubility of
Jan 1, 2004
-
A Web service prototype of mineralogical data presentation using MineML (Mineral Markup Language)
By Xu H.
In recent years, the mineral applications dealing with more complex data in distributed environment have grown rapidly. Many mineral and mining organizations have to organize internally and globally d
Jan 1, 2003
-
The Role Of Metal And Slag Films Stabilization Phenomena With Respect To Clean Steel
By I. A. Minaev
The conditions of a stability of metallurgical films on a surface of solid on the basis of classical regularities of a thermodynamics are considered. For specific conditions of metallurgical processes
Jan 1, 2004
-
Slags In Ferroalloys Production - Review Of Present Knowledge
By L. Holappa
Ferroalloys like FeCr and FeMn are mostly produced in submerged electric arc furnaces. Typical for these processes is that the amount of slag is quite high. The role of slag for the process is thus ve
Jan 1, 2004
-
The Centenary Of The Discovery Of Platinum In The Bushveld Complex (10th November, 1906)
By R. G. Cawthorn
The earliest authenticated scientific report of the occurrence of platinum in rocks from the Bushveld Complex appears to be by William Bettel on 10th November 1906. Thereafter, prospecting of the chro
Jan 1, 2006
-
Observations Of Behaviour Of Oxide Inclusions At Molten Slag/Steel Interfaces
By Y. Wang, S. Sridhar, B. Coletti, G. N. Shannon, S. Vantilt
The final removal of inclusions in the ladle, tundish, and mold in a continuous casting process involves the kinetic steps of liquid film drainage, interface rupture, and absorption of the inclusion i
Jan 1, 2004