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Application of Manufacturing Management and Improvement Methodologies in the Southern African Mining Industry
By J. O. Claassen
"A study conducted at 22 operating mines in the southern African region indicated that each mine employs about five management and improvement methods with roots in the manufacturing industry. All res
Jan 1, 2016
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Stability evaluation of room-and-pillar rock salt mines by using a flat jack technique – A case study
By M. Z. Emad, N. Abbas, Y. Majeed
Room-and-pillar mining is commonly employed for the extraction of rock salt in undergroundmines. Pillar stress is a major concern in these mines as it is directly related to stability and mineralrecov
Jun 5, 2023
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A Computerised Approach to Teaching Mine Financial Valuation
By F. S. A. de Frey
The main users of computerised financial evaluation tools in the mining industry are the mining investment analyst, the mine manager together with his financial manager and the mining student (undergr
Jan 1, 1987
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Production of Al(III)-K(I)-Ti(IV)- sulphate-containing leach liquor from metakaolinite-containing ash derived from South African coal fines
By R. H. Matjie, J. R. Bunt, A. C. Collins, J. C. van Dyk, C. A. Strydom
South African discard coal fines and K₂CO₃ blends were heated in a laboratory-scale rotary kiln to produce ashes for H₂SO₄ leaching tests. The optimized H₂SO₄ leaching conditions of 6.12 mol.dm³ (M) H
Aug 2, 2022
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Book review
Book review Pearson, J. S. Ocean floor mining. Park Ridge (New Jersey), Noyes Data Corporation, 1975. 201 pp. NIM reports Report no. 308 A mineralogical study of gold particles in pulp residues from t
Jan 2, 1976
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Framework for ergonomic design of control centres in underground coal mines—A Serbian experience
By M. Grozdanovic, D. Marjanovic, M. Ilic
We present a framework for solving the problem of functional compatibility between process control equipment in control centres at underground mines and operator capabilities. The equipment incorporat
Jun 10, 2024
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The Koidu Vertical Pit ? Sierra Leone
By J. S. C. Joubert
The Koidu Kimberlite Project is situated in the Kono District of Sierra Leone, approximately 330 km east of the capital city, Freetown. The mining lease area is 4 km2 and comprises 2 kimberlite pipes
Jan 1, 2008
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Roll-to-roll coating methods for the manufacture of polymer electrolyte membrane fuel cell membrane electrode assemblies
By O. Barron, C. Felix
In 2023, polymer electrolyte membrane fuel cell membrane electrode assemblies accounted for about 62% of the global fuel cell market share and this demand is expected to grow. Commercialisation requir
May 27, 2025
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Design and development of lightweight Fe- Mn alloys for storage and transportation of liquified natural gas (LNG) — Computational materials modelling study
By J. Moema, L. Mampuru, M. Phasha, D. Mkhonto
The global liquified natural gas (LNG) storage market size is projected to reach USD17.5 billion by 2025. Currently, owed to its high toughness, tensile strength, and excellent weldability, the 9% nic
Mar 4, 2025
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Recycling Of Platinum Group Metals From Automotive Catalysts By An Acidic Leaching Process
By R. Rumpold
The platinum group metals (PGMs) palladium, platinum, and rhodium represent the key materials for automotive exhaust gas treatment. Since there are currently no adequate alternatives, the importance o
Jan 1, 2012
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Proceedings, Annual General Meeting
The 89th Annual General Meeting of The South African Institute of Mining and Metallurgy was held at Kelvin House, Johannesburg, on 20th August, 1986. Mr. H. E. James (President) was in the chair and d
Jan 1, 1986
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Obituary: Dr Laurence Alison Bushel
By Jack Levin
Dr Laurence AlIison Bushel, a former President of the Chemical, Metallurgical and Mining Society of South Africa, now The South African Institute of Mining and Metallurgy, was born in Queenstown on 20
Jan 1, 1991
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A new automated, safe, environmentally sustainable, and high extraction softrock underground mining method
By J. Zhang, A. J. S. Spearing, L. Ma
Ore deposits are becoming more complex to mine as a result of the exhaustion of surface and other easily mined deposits. There is also increasing socio-political pressure to design more environmentall
Feb 2, 2021
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Evaluation of the efficiency of smart underground mine evacuation through virtual reality simulations APCOM 2021
By F. C. Harris, S. J. Gaab, J. Sattarvand, S. Duzgun
Underground mines are inherently dangerous due to potential hazards such as fires, explosions, and caving of rock. Although these events are rare, once they occur a speedy and safe egress of mineworke
Sep 1, 2021
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The specific surface area (SSA) comparison of HPGR and ball mill re-ground samples by laser analysis and Blaine air permeability methods, S.M.H. Haddad, N. Esmaeili, R. Hejazi, M. Saghaeian, and V. Sheikhzadeh
By V. Sheikhzadeh, S. M. H. Haddad, M. Saghaeian, N. Esmaeili, R. Hejazi
One of the most significant features of iron ore concentrate (pelletising feed) is the specific surface area (SSA) that affects the achievement of desirable pellet properties. There are various method
Jan 1, 2020
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Preparation and properties of slag-tailings based artificial reef concretes, X.J. Lyu, B.O. Erdenekhuyag, Q. Liu, M.J. Lian, H.Y. Zang, X.Q. Cao, and X.F. You
By X. J. Lyu, Q. Liu, M. J. Lian, X. Q. Cao, X. F. You, B. O. Erdenekhuyag, H. Y. Zang
The slag-tailings based artificial reef concrete (ARC) is made of CaO-CaSO4 activated granulated blast furnace slag (GBFS) as cementitious material and deslimed gold ore tailings as aggregate. In orde
Jan 1, 2020
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A Redetermination of the Structure of Tetraethylammonium Meroxidotrichlorido (thenoyltrifluoroacetyl Acetonato-K2-O,O')niobate(V)
By R. Koen, H. Visser, A. Roodt
"SynopsisThe tetraethylammonium salt of the mono-anionic coordination compound mer-oxidotrichlorido(thenoyltrifluoroacetylacetonato- K2O,O’)niobate(V) (NEt4)[NbOCl3](ttfa)], has been prepared under ae
Jan 1, 2015
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Technical and economic optimisation of an underground limestone mine
By M. B. Díaz Aguado, I. Á. Fernández, C. González Nicieza, B. S. Menéndez
This paper summarizes the works that the Research “Group of Ground Engineering”, belonging to the Mining Department of the University of Oviedo, Spain, has been developing in close cooperation with th
Jan 1, 2003
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PYRAMP – A platform for resource assessment and mine planning in Jupyter APCOM 2021
By F. Navarro, F. Soto, G. Díaz, E. Jélvez, G. Morales, N. Morales
The increasing availability of tools on the web provides a great opportunity for the research community to boost investigation by accessing computational resources from all over the world. For example
Sep 1, 2021
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Effect of Different Refining Slag Systems on the Cleanliness of Molten Steel for Carbon Structural Steel
By S. Zhao, S. P. He, M. Y. Zhu, Y. Tao
"The effect of two refining slags (A: 1.0–1.8 CaO/Al2O3 ratio, 11–20 wt% SiO2; and B: 1.0–1.2 CaO/SiO2 ratio, 25–35 wt% Al2O3) on the inclusion morphology of a carbon structural steel (Q235B) was stud
Jan 1, 2017