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Experimental Investigation Of Liquidus Temperatures Of ISP Slags
The slags produced by the Imperial Smelting Process (ISP) are based on the system ZnO-?FeO?-Al2O3-CaO-SiO2. The slag chemistry is important to the process since it determines the fluxing practice and
Jan 1, 2004
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Interaction Of Mgo-Mgr2o4(R: Al, Cr, Fe) Refractories With SO2-Containing Gases
By N. Z. Fotoyi
Keywords: MgO-MgR2O3 refractory, SO2-containing gases, chemical attack The reaction mechanisms occurring when MgO-MgR2O3 refractories are exposed to SO2-containing gas atmospheres were examined. T
Jan 1, 2011
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DISCUSSION: The value of incentive payments in the mining industry
DISCUSSION: The value of incentive payments in the mining industry by K; SMITH Published in the Journal, May 1974 H. P. CARLISLE* The author has drawn attention to one of the most important of mining
Jan 10, 1974
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Block Size Selection And Its Impact On Open-Pit Design And Mine Planning
By R. M. Jara
This work evaluates and characterizes the impact of the support size and mining dilution of a block model in the operation and selection of equipment at an open pit mine. An exploratory analysis and g
Jan 1, 2006
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Comment On The Paper ?Strong Ground Motion And Site Response In Deep South African Mines?, By S.M. Spottiswood And A. M. Milev - In The Journal Of The SAIMM, Vol. 105, No. 7, Pp. 515?524
In their excellent paper, Milev and Spottiswoode have provided quantitative and definitive descriptions of an important phenomenon that hitherto has been largely the subject of conjecture. They conv
Jan 1, 2006
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Slope Optimization At Escondida Norte Open Pit
By Manuel Rapiman, Ricardo Sepulveda
The feasibility study of Escondida Norte (ENorte), recommended a slope angle design for the Final Pit. But, according to the experience obtained with the slope adjacent to the West wall of ENorte, in
Jan 1, 2006
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Formation and stabilization of rock cavern roof arches
By M. Lu, E. Broch
Abstract: The formation and mechanism of rock cavern roof arches are studied and effects of rockbolts reinforcement are evaluated. It is concluded that a self-supported roof arch may be formed by the
Jan 1, 2003
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The Road To NPV+
By R. Hummel
When the slope angles of the southern side of the Venetia open pit were required to be flattened by some 20 degrees after an analysis completed by De Beers geotechnical engineering in conjunction with
Jan 1, 2001
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The Application Of Radar Techniques For In-Mine Feature Mapping In The Bushveld Complex Of South Africa
By D. Vogt
A brief summary of the propagation characteristics of rock provides the necessary understanding to design effective radar surveys. Measurements of the electrical properties of the major Bushveld plati
Jan 1, 2005
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Investigation of glycine leaching for gold extraction from Witwatersrand gold mine tailings with permanganate pre-treatment
By G. Akdogan, M. Tadie, A. Tapfuma
The Southern African region contains abundant gold tailing heaps that are an environmental concern due to dust pollution and chemical contamination of nearby water bodies. Nevertheless, these heaps co
Apr 14, 2024
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Elevated Conveyors In Mining Applications - 1. Introduction
By S. Curry
The Objana Cement Plant is located in central Nigeria, approximately 200km south of capital city Abuja (figure 1). It is the second largest cement plant in Africa, and the fifth largest in the world [
Jan 1, 2008
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Empirical Observations of Dilution in Panel Caving
By R. L. Castro
The extraction of ore in panel caving operations also involves the coextraction of non-economic material, known as dilution. Forecasting, avoiding, and understanding the mechanics of dilution is criti
Jan 1, 2014
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The Role Of Orientation Of Crystal Lattice On The Development Of Bacterial Leaching Patterns On Pyrite Single Crystals
By S. Ndlovu
To investigate the influence of orientation of crystal lattice on the bacterial leaching of pyrite crystals, single crystals of 100, 111 and110 plane orientations were used for the study. Experiments
Jan 1, 2004
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Presidential Address: The Mechanisation Of UG2 Mining In The Bushveld Complex
By F. M. G. Egerton
Mechanisation of mining operations is not a new concept in the world of mining. Machinery has been developed, manufactured and used for many decades in massive orebodies and coal mines, both locally a
Jan 1, 2004
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The Use Of Titanium Hydride In Blending And Mechanical Alloying Of Ti-Al Alloys - Synopsis
By I. A. Mwamba
Titanium sponge, which is almost pure titanium, is extremely ductile and not easily processed into titanium powder. One method of producing powder is the hydride-dehydride (HDH) process, where titaniu
Jan 1, 2011
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Uncertainty in Rock Mechanics and Rock Engineering—Then and Now
By H. H. Einstein
This paper reviews how uncertainty has been dealt with over the past 40 years using the decision making cycle as a frame of reference. The review of the phases of this cycle, as applied to rockmechani
Jan 1, 2003
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The Development Of Ultra-Fine Grinding At Anglo Platinum (d77fa80a-0be9-41fb-a558-4098934b0cba)
By A. K. Anyimadu
Ongoing development work on ultra-fine grinding for various applications at the Group?s concentrators has been conducted by Anglo Platinum over the last few years. Current potential applications for
Jan 1, 2007
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The development of ultra-fine grinding at Anglo Platinum - Synopsis
By A. K. Anyimadu
Ongoing development work on ultra-fine grinding for various applications at the Group?s concentrators has been conducted by Anglo Platinum over the last few years. Current potential applications for
Jan 1, 2007
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Proceedings March General Meeting
The March General Meeting of the Institute was held in Kelvin House, Johannesburg on 18th March, 1970, at 4.30 p.m. Mr J. K. E. Douglas (President) was in the Chair. There were also present fift
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Aspects Of Saf Smelting Of Ferrochrome
This paper provides a review of the chemical reactions occurring in the submerged arc processing of chromite ores. The excavations of industrial furnaces have shown that the charge, as it descends thr
Jan 1, 2004