Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Use of the DRA technique, porosimetry and numerical modelling for estimating the maximum in situ stress in rock from core
By K. J. Oliver, A. G. Meyers, S. P. Hunt
Deformation Rate Analysis (DRA) and porosimetry have been used to demonstrate the “stress memory” effect in rock and to estimate the vertical in-situ stress in samples of fine-coarse grained sandstone
Jan 1, 2003
-
Criteria For Utilization Of By-Products From The Ferro-Alloy Industry
By Willem C. A. van Niekerk, David A. Baldwin, Nardus Potgieter, Willie A. Gericke
Authorities that regulate environmental issues pertaining to industrial wastes in South Africa regard landfill disposal as the only effective environmental management option for slag and other inorgan
Jan 1, 2007
-
Sawability Prediction Of Carbonate Rocks From Brittleness Indexes
By O. Gunaydin
Performance measurements of large-diameter circular saws were conducted on eight different carbonate rocks in marble factories located in some areas of Turkey. Rock samples were collected from these f
Jan 1, 2004
-
Methodologies In The Valuation Of Mineral Rights
By E. V. Lilford
A number of countries have introduced codes governing the valuation of mineral assets and securities. The African continent will follow suit in due course considering the importance of the global mine
Jan 1, 2002
-
Identification Of Nonlinearities In Dynamic Process Systems
By J. P. Theron
Paper written on project work carried out in partial fulfilment of Phd.(Process Engineering) degree Process modelling is an essential element in the development of advanced (model-based) process co
Jan 1, 2004
-
Simulation of integrated underground mining-processing
The paper examines the design issues associated with the integration of mineral processing within underground mining systems. It demonstrates conceptual integrated system design options appropriate to
Jan 1, 2003
-
Insight Into The Anglo Platinum Mine Optimisation Tool
By G. R. Lane, A. Vermeulen, S. van de Venter, S. Bhoowanpursadh
Over the past two years Anglo Platinum made use of the specialist skills of Cyest Corporation to develop a Mine Optimization Tool (MOT) to enhance the current suite of in house mine planning tools and
Jan 1, 2007
-
Coal And Coal Preparation In South Africa - A 2002 Review
By D. Peatfield
The design and operation of coal preparation plants are governed by the inherent quality of the raw coal to be processed, market specifications and the saleable tonnage requirements. Topography influe
Jan 1, 2003
-
The Economic Benefits Of Minimized Mill Gold Lock-Up At AngloGold Ashanti Kopanang Gold Plant
By M. F. van der Merwe
Anglogold Ashanti?s Kopanang Gold Plant (previously No. 9 Gold Plant) treats ore from Kopanang and Tau Lekoa shafts. The plant is twin streamed and has dedicated treatment circuits, from milling to fi
Jan 1, 2005
-
"Pipeline Integrity Using The External Corrosion Direct Assessment (Ecda) Methodology: A Case Study" - 1. Introduction
By Chris Ringas
The safe operation of gas transmission pipelines is increasingly coming under the spotlight. Increasing environmental pressure is also forcing pipeline owners and operators to ensure the integrity of
Jan 1, 2006
-
Determining concentration and velocity profiles of non-Newtonian settling slurries using electrical resistance tomography - Synopsis
By A. P. N. Sutherland
Pipelines for transporting high concentration slurries are often designed using methods applicable to homogeneous non-Newtonian laminar flow. Many industrial slurries though comprise coarse particles
Jan 1, 2008
-
Variations In Ultra-Deep, Narrow Reef Stoping Configurations And The Effects On Cooling And Ventilation - Introduction
In exploiting the ultra-deep, narrow reef ore bodies of the Witwatersrand, the ventilation and cooling systems within the stopes play a critical role because of high concentrations of active workers.
Jan 1, 2001
-
Role of Metal Accounting in Assessing and Managing the Business Risks Involved in Production Planning
By Donald Leroux, Simon Gariépy, Luc Lachance
"Quantitative information about the quality of metal balance results is often overlooked when making important plant production planning decisions. Not only is this common omission made in a context w
Jan 1, 2015
-
The Mineral And Petroleum Resources Development Act Of 2002: A Paradigm Shift In Mineral Policy In South Africa
By F. T. Cawood
Inauguration of the new political dispensation in South Africa in1994 initiated a dynamic shift in the ownership, management and development of the country?s affluent mineral heritage. The process of
Jan 1, 2004
-
Vertical Integration As A Source Of Competitiveness: The Case Of Ferrochromium In Southern Africa
By I. A. Mutemererwa
This paper investigates the role of vertical integration between chrome ore mines and ferrochromium smelters in the location of ferrochromium production capacity in South Africa and Zimbabwe. Vertical
Jan 1, 2000
-
Input-Output Analysis: Its Potential Application To The Mining Industry
By L. C. Stilwell
Input-output analysis is a major branch of quantitative economics, and is used to analyse the flow of goods and services between production sectors in a national economy. Its purpose is to determine t
Jan 1, 2000
-
Presidential Address - The South African Coal Industry: Current Position And Future Challenges
By R. P. Mohring
The South African Coal Industry had its beginnings in the Eastern Cape in 1859 when coal was mined to satisfy the fledgling settlements in the Eastern Cape. The growth in the industry was relatively
Jan 1, 1997
-
Investigating Entrainment Levels in Lumwana and Kansanshi Ores using the Froth Stability and Water Recovery Methods
By L. K. Witika, J. H. Masinja
"Investigations of flotation characteristics of Lumwana and Kansanshi ores using formulated frothers were carried out. Of the six frothers tested, two came from the alcohol family, two from the glycol
Jan 1, 2015
-
Impurities Removal From High Carbon Ferrochromium By Treatment With Slag Mixtures
By A. V. Pavlov, A. V. Dubachev, K. L. Kossyrev
The purpose of the given research was to investigate the possibility of high-carbon ferrochromium refining to remove harmful impurities as a result of metal treatment by slag mixtures on the basis of
Jan 1, 2004
-
A Case Study Of Risk Evaluation At Cerrejon Mine
By Luis-Fernando Contreras, Juliano Maran, Richard LeSueur
A risk study was carried out at the Cerrejon coal mine in order to assess the impacts of pit slope failure in terms of safety of personnel and destruction of equipment with economic consequences. Res
Jan 1, 2006