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Water production as an option for utilizing closed underground mines
By P. Malíková, I. Osičková, R. Sousedíková, P. Rys, J. Dvořáček, S. Heviánková
Each mining project goes through the same life-cycle, from prospecting and exploration to closure and post-closure periods. This prompts the question whether the closure of a mine constitutes the end
Oct 1, 2022
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Blast Furnace Control Using Slag Viscosities And Liquidus Temperatures With Phase Equilibria Calculations
By J. Muller
Keywords: Pyrometallurgy, blast furnace, slag viscosity, slag liquidus temperature, phase equilibria The viscosity of molten slag in blast furnace operations is an important process variable, infl
Jan 1, 2011
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Sampling: The Impact on Costs and Decision Making
"SAMPLING: THE IMPACT ON COSTS AND DECISION MAKING1. INTRODUCTIONFor years those in the minerals industry have been taking samples to assist them in making decisions; whether they be about investing b
Jan 1, 2014
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Time-Dependent Behaviour Of Hard Rock In Deep Level Gold Mines
By D. F. Malan
In deep level hard rock mining the rheological behaviour of the rock is important as time-dependent aseismic processes can lead to a stable dissipation of energy thus reducing violent outbursts. Under
Jan 1, 1997
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Copper Mining in Zambia – History and Future
By Cade Mweemba, Alex Mwanza, Jackson Sikamo
"The Zambian Copper mining industry as we know it today has its genesis from early in the 20th century in the 1920s. Consistent private sector-driven investment in the industry over a period of over 5
Jan 1, 2015
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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
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Rhodax Inertial Cone Grinder
By J. C. Taylor
The Rhodax inertial cone grinder, designed by France?s FCB Group Fives, is the result of three years, theoretical and mechanical research in the field of compression grinding by the research staff of
Jan 1, 1998
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A Test of the Appropriateness of the LUC Technique in High-Nugget Birimianstyle Gold Deposits
By E. Maritz
"The localized uniform conditioning (LUC) technique was proposed by Marat Abzalov in 2006. The technique converts conventional uniform conditioning (UC) grade-tonnage curves into single grade values a
Jan 1, 2016
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Keynote Address: The South African mining industry sustainable development requires new integrated systems of governance
By M. Hermanus
1. INTRODUCTION It gives me great pleasure to extend my warmest greetings to everyone attending the 30th International Conference of Safety in Mines Research Institutes. I would also like to bid a
Jan 1, 2003
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Necessity the mother of invention a reflection on the requirements for successful innovation in the metallurgical industries - Synopsis
By R. M. Whyte
The complexities that exist in the nature of the basic feedstock to the metallurgical process call for a high degree of ingenuity from the extractive metallurgist in seeking the best possible treatmen
Jan 1, 2009
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Fully dynamic stability analysis of jointed rock slopes
By Y. H. Hatzor
ABSTRACT: A fully dynamic, two dimensional, stability analysis of a highly discontinuous rock slope is demonstrated in this paper. The studied rock slope is the upper terrace of King Herod’s Palace in
Jan 1, 2003
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Assessment Of Viscosity Of Slags In Ferrochromium Process
By L. Forsbacka, M. Nakamoto, L. Holappa
Viscosity of the slag is one of the central parameters when producing FeCr in submerged arc furnaces. It contributes to smelting behaviour and reduction kinetics of chromite ore as well as to the Cr r
Jan 1, 2007
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Long Term Laboratory Strength Tests in Hard Rock
By Z. Szczepanik, D. Milne, K. Kostakis
Abstract This paper presents the results of a series of creep tests performed on a total of nine samples of Lac du Bonnet granite from the Underground Research Laboratory near Pinawa, Canada. Eac
Jan 1, 2003
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Larox Horizontal Vacuum Belt Filter With Side Vacuum - 1. Introduction
By R Kroukamp
Horizontal belt filters are typically used for separation of relatively free filtering solids where good post treatment is required. He horizontal belt filter is a continuous filter with an endless cl
Jan 1, 2007
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A proposed method for optimizing coal pillar design using coalfield-specific uniaxial compressive strength
By F. J. N. Bruwer, T. R. Stacey
The research described considers whether the variability in coal material strength, as derived through a series of uniaxial compressive strength (UCS) tests, could be used to indicate the variability
May 3, 2023
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Influence of particle size on selectivity in confined bed comminution, H. Lieberwirth and L. Kühnel
By L. Kühnel, H. Lieberwirth
Confined bed comminution in High Pressure Grinding Rollers (HPGR) and Vertical Roller Mills (VRM) is gaining substantial attention in many applications. Previously used mainly for milling coal or cons
Jan 1, 2020
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High Productivity Operation Of Shaft-Type Fe-Mn Smelting Furnace
By Masanobu Masukawa, Toshio Shiota
The shaft-type ferromanganese smelting furnace (SF) at Mizushima Ferroalloy Co., Ltd. has been in operation since startup in 1985 and is continuing to perform smoothly. Production has been increased f
Jan 1, 2007
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Investigating adsorption mechanism of humic acid sodium salt on metallic-ion bearing silicates and iron oxide, A. Tohry, R. Dehghan, M. Zarei, S.C. Chelganic
By R. Dehghan, M. Zarei, A. Tohry, S. C. Chelgani
Typical depressants for selective reverse flotation of iron oxides from complex silicates do not generally show high levels of efficiency. Therefore, as a hot topic, there are several ongoing investig
Jan 1, 2020
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Further design of quaternary diammonium reagents hosted on polymer nanofibers for hexachloridoiridate(IV) specificity, P. Moleko-Boyce, M. Ngayeka, and Z. Tshentu
By Z. Tshentu, M. Ngayek, P. Moleko-Boyce
This paper is focused on the development of iridium(IV)-specific quaternary diammonium cations containing electron-donating substituents in the benzyl group of methyl and electron-withdrawing substitu
Jan 1, 2020
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Our Mineral Heritage - Presidential Address
By P. W. J. van Rensburg
Our mineral heritage - PRESIDENTIAL ADDRESS given by P. W. J. van Rensburg, Pr. Eng.. B.Sc. (Eng.)(Rand) INTRODUCTION Stone Age people were living in various parts of South Africa as recent,ly as a th
Jan 10, 1973