Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Leachability Of Nitrided Ilmenite In Hydrochloric Acid - Synopsis
By J. J. Swanepoel
Titanium nitride in upgraded nitrided ilmenite (bulk of iron removed) can selectively be chlorinated to produce titanium tetrachloride. Except for iron, most other components present during this low t
Jan 1, 2011
-
Robust and resistant semivariogram modelling using a generalized bootstrap
By E. Pardo-Igúzquiza, R. A. Olea
The bootstrap is a computer-intensive resampling method for estimating the uncertainty of complex statistical models. We expand on an application of the bootstrap for inferring semivariogram parameter
Jan 1, 2015
-
The link between the design process in rock engineering and the code of practice to combat rock fall and rockburst accidents
The paper deals with the importance of design, and of codes of practice, in ensuring safe working conditions in mines. The design principles involved in the design process are dealt with, and the imp
Jan 1, 2003
-
A Symphony Of Collaboration Between Mining And Engineering
By M. Andrews, B. J. Göhre, G. Strong, C. Terblanche
Mechanized mining can be experienced as a symphony by substituting the instruments for the different machines that each perform their own function and thus have different sounds. The drill-rig is the
Jan 1, 2006
-
A Case Study On The Operation Of A Flottweg Tricanter® Centrifuge For Solvent-Extraction Crud Treatment At Bwana Mkubwa, Ndola, Zambia
By Gift Chisakuta, Bravo Mbao, Nils Schwarz, Angus Feather, Anthony Mukutuma
Bwana Mkubwa is a 50 000 tons per annum copper cathode producer, owned by First Quantum Minerals and located in Ndola, on the Zambian Copperbelt. The Bwana Mkubwa solvent-extraction circuit was starte
Jan 1, 2007
-
Risk assessment of the bulk transport of zircon sands
By R. Strydom, J. H. Selby, J. Slabbert, W. Enslin
Zircon is a naturally occurring silicate of zirconium, which is used in large quantities (~1 million tonnes per annum) for its refractory properties and its extreme chemical inertness. All zircons con
Jan 1, 2003
-
Using Computed Order Tracking To Detect Gear Condition Aboard A Dragline
By B. L. Eggers
This study investigates the application of computed order tracking with subsequent rotation domain averaging and statistical analysis, to the drag gearbox of a dragline used in a mining environment. C
Jan 1, 2007
-
Two Rivers Platinum Mine: The Orebody, The Mining Method - A Perfect Match (f51ca3a6-f12c-45c8-a3d7-d1d4f9dd2f91)
By M. Mabuza
Two Rivers Platinum Mine (TRP) is a 55:45 joint venture between African Rainbow Minerals and Impala Platinum, respectively. TRP is situated on the farm Dwarsrivier 372KT, in the southern sector of the
Jan 1, 2007
-
Characterization And Alternative Dissolution Of Tantalite Mineral Samples From Mozambique ? Synopsis
By M. Nete
Qualitative analysis of three mineral samples from northern Mozambique was accomplished by X-ray diffraction (XRD), microscopy, scintillation, and magnetic determination. Chemical characterization was
Jan 1, 2012
-
Origins Of Some Fractures Around Tabular Stopes In Deep South African Mines ? Synopsis
By G. van Aswegen
The geometry and morphology of a set of low-angle fractures around a stope in a deep Witwatersrand gold mine are explained in terms of extension fractures forming under variable conditions of stress.
Jan 1, 2012
-
Safety Considerations In Underground Logistics?A Look At Vertical, Horizontal And In-Stope Transportation Systems ? Synopsis
By S. M. Rupprecht
Transportation accounts for some 26% of all mine accidents in South Africa. Although this figure may not be as prolific as fall of grounds accidents or accidents caused by seismic events, the enormity
Jan 1, 2011
-
Annual Report ? For The Year Ended 30th June, 1992
[COUNCIL FOR 1991/92 President R.D. Beck President Elect JP. Hoffman Vice Presidents Senior Junior Dr H. Scott-Russell J.A. Cruis
Jan 1, 1992
-
In Search Of Low Cost Titanium: The Fray Farthing Chen (FFC) Cambridge Process - Synopsis
By S. J. Oosthuizen
This article explores the Fray Farthing Chen (FFC) Cambridge process, a novel method for the electrochemical deoxidation of metal oxides in molten salt, discovered at the University of Cambridge in 19
Jan 1, 2011
-
Analysis for pillar extraction potential (A-PEP)—a risk-based program for underground coal mining
By G. H. Lind
Research into the safe and economic extraction of underground coal pillars in the Witbank and Highveld coalfields of South Africa highlighted that future practices will have to consider pertinent risk
Jan 1, 2003
-
Utilization of the Brazilian test for estimating the uniaxial compressive strength and shear strength parameters
By F. Cihangir, A. Kesimal, K. Karaman, B. Ercikdi
Uniaxial compressive strength (UCS) and shear strength parameters(cohesion and angle of internal friction, Cand F) of rocks are important parameters needed for various engineering projects such as tun
Jan 1, 2015
-
Support system performance under different corrosion conditions - Synopsis
This paper reports on recent field observations on the performance of support systems under different corrosion environments in Canadian underground mines. Phenomenological data are used to gain a bet
Jan 1, 2008
-
Development of roasting parameters for the ConRoast process with low-sulphur feedstock - Synopsis
By E. Eccleston
The ConRoast process for the production of platinum group metals involves the use of a fluidized bed reactor for the removal of sulphur from ore concentrates by roasting prior to smelting in a DC-arc
Jan 1, 2009
-
Shotcrete Lining Of South Deep Shafts
By W. P. Erasmus
This paper will focus on the use of the ?wet-mix? steel fibre re-in forced shotcrete as a permanent lining in deep shafts, assessing gold bearing reef. It will cover all aspects relating to the choice
Jan 1, 2001
-
Monte Carlo Simulation Of Pt-Al Thin Film Diffusion - Synopsis
By R. A. Harris
In this study Pt-Al thin films were prepared via electron beam physical vapour deposition (EB-PVD) with an atomic concentration ratio of Pt25:Al75. These films were heat treated at temperatures rangin
Jan 1, 2011
-
The Impact Of Mixed Fleet Hauling On Mining Operations At Venetia Mine
By J. Krzyzanowska
Paper written on project work carried out in partial fulfilment of Bachelor of Engineering-Mining Venetia Mine, an open-pit diamond mining operation in the Limpopo Province of South Africa, current
Jan 1, 2007