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Ore Grinding Energy Minimisation by Thermal Treatment
By Dhar B. B, Gupta R. C
Grinding of iron ore is an essential step to utilise ore fines for pelletisation needed for DRI units. While preparing iron ore pellets for DRI production, the iron ore needs extensive grinding whic
Jan 1, 1999
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Drilling - Equipment, Methods and Materials - Computerized Drilling Control
By F. S. Young
Previous laboratory and field experimentation has demonstrated the effect of several variables on drilling rate.1-5 These results have been incorporated into optimization theories6-" for the purpose o
Jan 1, 1970
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Lifter Design Using a DOE Approach with a DEM Charge Motion Model
By Ian Orford, Peter Radziszewski, Lud Strah
"An autogenous grinding circuit was commissioned at the Brunswick concentrator in October 1998. The AG mill was subsequently converted to SAG operation in May 1999 for a number of reasons. The mill ha
Jan 1, 2003
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Index Of Selected Gasification Patents (In Three Parts) I. United States Patents - Introduction
THE Synthetic Liquid Fuels Act. (30 U.S.C., 321-325, and amendments) became law April 5, 1944, and a period of intensive research and development in this field was begun by the Bureau of Mines. As pa
Jan 1, 1960
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Optimizing performance of AG/SAG mills – A design approach
By Sanjeeva Latchireddi, Travis Orser
"Today’s high capacity semiautogenous grinding (SAG) mills expend vast amounts of energy and in doing so consume tons of shell liners and steel balls, while processing ore. The energy efficiency of th
Jan 1, 2005
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Performance Update Of Hot Dip Galvanizing In The Corrosive Environment Of South African Gold Mines
By R. E. Wilmot
This paper is based on the experiences, over many years, on the part of numerous authors in the South African mining industry and that of the hot dip galvanizing process and its application as a corro
Jan 1, 2006
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RI 3806 Studies in Redistillation of Carbotherrmic Magnesium
By E. Don Dilling, W. F. Holbrook, Lloyd R. Michels, James W. Pennington, Dwight L. Harris, Wm. F. Hergert, Cyrus L. Blogett, H. A. Doerner, Ernest A. Reige
"IntroductionA process for production of magnesium by carbothermal reduction was developed at Padentheirm, Austria, by the Austro Americanische Magnesit Corporation& an independent investigation of th
May 1, 1945
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Hot Working Behavior of 17-4 PH Stainless Steel
By Hamed Mirzadeh
The hot working behavior of 17-4 PH stainless steel was studied using the hot compression test at temperatures of 950-1150 °C with strain rates of 0.001-10 s-1. A step by step procedure for data analy
Jan 1, 2010
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8 M Diameter 7 KM Long Beles Tailrace Tunnel (Ethiopia) Bored And Lined In Basaltic Formations In Less Than 12 Months
By Antonio Raschillà
On the 2nd of June 2007 SELI S.p.A. started the excavation of Beles Tailrace Tunnel (Ethiopia). The new 8,07 m diameter DS Universal TBM utilized for the tunnel excavation was manufactured by SELI S.p
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Environmental considerations in tailing disposal
By G. W. Poling
This paper evaluates current environmental protection legislation, guidelines and criteria, focusing mainly on the land and water disposal of mill tailings. Effluent criteria and regulatory mechanisms
Jan 1, 1979
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Thermodynamic Modeling Of Desilversing Of Lead Bullion By Zinc During Lead Refining
By Pengfu Tan
A thermodynamic model has been developed to model the desilverising process of lead by the addition of zinc during lead refining, whereby silver-zinc solid solutions are formed, and floats out of the
Jan 1, 2005
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Explosion Phenomenology In Jointed Rocks -New Insights-
By F. E. Heuze
This article deals with the effects of high-explosive and nuclear explosions in rock masses. We first highlight the strong influence of geological discontinuities, such as joints and faults, on ground
Jan 1, 1991
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Getting More From the Ore – 1995 Daniel C. Jackling Lecture
By J. Burgess Winter
It is an honor to present the lecture in honor of Daniel C. Jackling, the developer of the technology of copper mining that we continue to use 100 years later. He made a dramatic breakthrough in the e
Jan 1, 1995
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Reservoir Engineering - General - A Mathematical Model of Repeated Steam Soaks of Thick Gravity Drainage Reservoirs
By G. E. Perry, R. D. Seba
The steam soak process is the most widely applied and most successful thermal supplemental recovery process in use today. This process, which consists of injection of steam in various quantities into
Jan 1, 1970
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Dynamic Modeling and Virtual Prototype Simulation of the GAP-Oil Sands Interactions
By Samuel Frimpong
The interaction of oil sands with a ground articulating pipeline (GAP) system has been simulated with the dynamic model established in this work by combining the multi-body and soil dynamics with the
May 1, 2004
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Optimisation Of Anglo Platinum?s ACP Acid Plant Catalytic Converter
By M. K. Sichone
Anglo Platinum?s Waterval smelting complex based in South Africa operates the Anglo Converting Process (ACP) that produces SO2 offgas. This SO2 offgas is treated in a double-contact, double-absorption
Jan 1, 2009
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Applying up-to-date Blasting Technology and Mine to Mill Concept in Quarries
By Robert McClure, Frederic Leclercq, Ricardo Chavez
With significant vibration control and fragmentation challenges facing them, the CBS quarry (department of the Nord) successfully integrated a technical partner and mine to mill optimisation to deal w
Jan 1, 2007
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IC 7149 Marketing Of Barite ? Properties
By Bertrand L. Johnson
Barite, the natural sulfate of barium (BaSO4), is the most important barium mineral. Normally it is white (opaque to translucent), but impurities sometimes render it yellow, gray, blue, brown, red, or
Jan 1, 1941
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Solution Mining Of Evaporites And Its Relationship To The Future Of Hydrometallurgy
By Charles H. Jacoby
The solution mining of evaporites has a history of approximately 5,000 years. The insitu leaching of metalliferous ore will have many of the same characteristic problems which have confronted industry
Jan 1, 1974
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Foamed Grout Controls Underground Coal-Mine Fire
By Joseph J. Feiler
Fires in underground coal mines are persistent problems anywhere in the world that coal is mined. Coal fires pose safety and health hazards in the form of mine subsidence, loss of energy reserves, de
Jan 1, 2000