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From Concept to Reality ù Process Water Treatment at the ERA Ranger Mine
By D Jones
The development, piloting and engineering design of an innovative water treatment system for process water produced by a uranium mine mill are described. The process incorporates lime/carbonate soften
Jan 1, 2003
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Electrochemistry: The Key To Understanding Hydrometallurgical Reactions
By Matthew Jeffrey
Leaching, cementation, electroplating and flotation are all electrochemical phenomenon. They are also key processes in the hydrometallurgical treatment of metals. Unfortunately electrochemical methods
Jan 1, 2003
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Mine Closure From A Legal Perspective: Do The Provisions Of The New Mineral And Petroleum Resources Development Act And Draft Regulations Make Closure Legally Attainable?
By C. Dixon
The Abandoned Mine by C.C. Woollacott A heap of rocks marks the abandoned mine. The veld's unpitying silence lies around. Those broken stone?a mute and mournful sign Of human enterprise with fail
Jan 1, 2003
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Managing pit slope displacements: Highland Valley Copper’s Lornex pit southwest wall (f470f4fd-a370-4a43-8de1-ec8dbdd94f5c)
By C. S. Maggs, L. Shwydiuk, H. W. Newcomen
The southwest wall of the Lornex Pit at the Highland Valley Copper mine has been experiencing slope displacements since 1978. Measures to manage the displacements on previous pushbacks have included s
Jan 1, 2003
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The Influence of Feed Size on Autogenous and Semi-Autogenous Grinding and the Role of Blasting in its Manipulation
The introduction and subsequent ascendancy of autogenous and semi-autogenous milling for comminution circuits has undoubtedly lead to many economic advantages. From a process viewpoint, however, at le
Jan 1, 2003
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On-Line Bias And Froth Depth Measurement In Flotation Columns : A Promising Tool For Automatic Control And Real-Time Optimization
By J. Bouchard, V. Aubé, A. Desbiens, R. del Villar
The metallurgical performance of column flotation is determined by the concentrate grade and recovery. Although the former can be continuously measured using an on-stream analyzer, the latter must be
Jan 1, 2003
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Development Of Sumitomo Premixed Concentrate Burner For Copper Flash Smelting
By Yasumasa Hattori
An extensive study including fluid dynamic calculations, cold model tests, pilot plant tests as well as measurements in a commercial flash furnace was carried out in order to develop a new Sumitomo fl
Jan 1, 2003
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Discussion - Should Discounted Cash Flow Projections For The Determination Of Fair Market Value Be Based Solely On Proven And Probable Reserves? - Technical Papers, Mining Engineering, April 2001, Vol.53, No. 4, pp. 51-56 – Lawrence, Ross O.
By Stephen Semeniuk
Discussion by Stephen Semeniuk Discussion As a valuator and SME member, I view Ross D. Lawrence's position as based on unproven and faulty assumptions made with regard to the pragmatic eviden
Jan 1, 2003
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Deployment And Retrieve Of Deep Water Miner
By Chul H. Jo
The functions of miner mainly include the pick-up manganese nodules laying on the surface of the seafloor, the separation them from sediments, the crushing the nodules and the covey to the inlet of th
Jan 1, 2003
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Possibilities of limiting methane emission into atmosphere on the example of mines in the Jastrzebie Coal company
By A. Tor, M. Borowski, N. Szlazak, D. Obracaj
This article presents possibilities of reducing methane emission to the atmosphere in working mines in Jastrzebie Coal Company by means of proecological solution. They form a new approach towards the
Jan 1, 2003
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Decoupling the Effects of Depression and Dispersion in the Batch Flotation of a Platinum Bearing Ore
By P. Harris
"Comparison of the two most commonly used classes of depressant in the South African platinum industry is complicated by the fact that these polymers induce different effects on the surfaces onto whic
Jan 1, 2003
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Mechanism of Enrichment of Gallium from Zinc-Leaching Residue by Cold-Bonded Coal-Based Direct Reduction Process
By Guanghui Li
In the paper, the recovery technology of gallium from zinc-leaching residue by cold-bonded coal-based direct reduction process following magnetic separation was developed. The results show that the sc
Jan 1, 2003
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The response of shotcrete to blast induced vibrations in mining
By L. Malmgren, A. Ansell
This paper deals with the influence from blast induced stress waves on the performance of shotcrete support in the Kiirunavaara mine. Time histories of stress waves from blasting were obtained from me
Jan 1, 2003
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Surface Chemical Studies on Galena and Sphalerite Using Mineral-Adapted Bacillus Polymyxa
By S. S. Indi, D. Santhiya, S. Subramanian, K. A. Natarajan
"With the gradual depletion of the high-grade ores and finer dissemination of values in the leaner samples, it has become imperative to develop innovative approaches to process such complex ores. The
Jan 1, 2003
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Rock Mass Characterization By Artificial Neural Network With Three-Dimensional Representation Of Its Output Data
By C. R. Daly, D. Biswas
This study presents the development of a simplified artificial neural network (ANN) for the characterization of rock mass with a simultaneous display of its output in a three-dimensional interactive e
Jan 1, 2003
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Presidential Address: Rock Engineering - Good Design Or Good Judgement?
Rock engineering has now been practised as a discipline for about50 years, and many sophisticated methods of analysis for use in rock engineering design have been developed. However, analysis is only
Jan 1, 2003
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Design-Build of the New Mississippi Outfall Tunnel at I-25 for Denver’s T-Rex Project
By Jon Y. Kaneshiro, John S. Griffith, Anthony F. Stirbys, Mauricio Andrade
This paper presents an overview of the New Mississippi Tunnel Outfall for the Transportation Expansion Project (T-REX). The Outfall conveys highway and other urban drainage to the South Platte River a
Jan 1, 2003
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Geoscience Employment Trends ù Analysis of the 1996 and 2001 Australian Censuses
Analysis of the 2001 Australian census data set can be used to gain a detailed insight into the trends and levels of employment in different industry sectors. There is a common perception that employm
Jan 1, 2003
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Forecasting the Production of Fully-Mechanised Coal Face by Meta-Synthetic AI Method
By Y Zhang
Being analysed systematically, the factors influencing the production of fully-mechanised coal face have been divided into geological, mining technical, and management groups. Artificial neural networ
Jan 1, 2003
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Reaction Of Sn-Containing Solders With Nickel Based Under Bump Metallizations
By Guojun Qi
This work relates to wafer bumping technologies for flip chip packaging applications in the electronics industry. Nickel and its alloys are alternative under bump metallization (UBM) materials because
Jan 1, 2003