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Testing Inventory Drawdown through Pressure Injection in the Leach Pad at Los Filos Mine
By J. Basi, D. F. Rucker
"A review of historic operating practices of the heap leach pads at the Los Filos Mine, Mexico, revealed periods of restricted cyanide addition, reduced leach time, and insufficient irrigation flow. T
Jan 1, 2017
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Rock Mechanics in Open-Pit Mining
By Chas. L. Emery
"The laws of rock mechanics apply equally well to all rock structures, and open pits are not exceptions. The concepts and some arguments about the emphasis to be placed on various aspects of open-pit
Jan 1, 1966
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Quantification and Speciation of Copper, Arsenic, and Iron in Atmospheric Leaching of Enargite and Chalcopyrite in the Presence of AF 5
By Fazel G. Jahromi, Ahmad Ghahreman
"Atmospheric leaching of arsenical sulfide concentrates, and especially enargite leaching, is one of the major challenges within the current hydrometallurgy research area. One of the recent processes
Jan 1, 2017
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The Concentration of the Ores of Western Quebec
By J. S. Godard
The mining developments in western Quebec have shown the ores of this district to be more complex in character than was at first expected. When the initial discoveries were made it was thought that th
Jan 1, 1928
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Methodology For Aquatic Hazard Classification Of Massive Metal Forms: The Copper Case
By P. H. Rodriguez
The aquatic hazard classification system of the OECD and EU requires that sparingly soluble metal substances (SSMS) be tested using the OECD Dissolution/Transformation protocol in order to quantify th
Jan 1, 2007
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Prediction of Thermodynamic Properties of Si-P and Si-Fe-P Alloys for Solar Grade Silicon Refining Com 2015 - 54th Annual Conference of Metallurgists Held in Conjunction with AMCAA - America's Conference on Al Alloys
By A. McLean, W. Q. Chen, W. Yan, M. Barati, Y. D. Yang
In order to maximally remove the harmful impurities phosphorus and reduce the loss of valuable elements from Si-based alloy for production of solar-grade silicon, thermodynamic properties of the Si-ba
Jan 1, 2015
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Selective Counter Current Leaching and Oxalate Precipitation of Rare Earth Elements in Chloride Media: The Case for Bastnasite and Ancylite Minerals.
By H. W. Kasaini, E. Bourricaudy, T. Larochelle
Rare Element Resources Inc., a U.S. based company, has developed a three-stage process for producing a +98% mixed REO powder from hard rock feedstock (-48 mesh, 2.9-4.8% REO) consisting of bastnaesite
Jan 1, 2016
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On The Possibility of Utilising Zinc Oxide for Desulphurising Hot Metal
By R. V. Kumar, F. Tailoka
In order to use ZnO laden dust as a possible desulphurization reagent, it is important to evaluate thermodynamics of the Zn-O-S system. At temperatures greater than 1450 K, there is an uncertainty in
Jan 1, 2004
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Hybrid Power at Remote Mining Sites to Reduce Electricity Costs
By Michel Carreau
Renewable assets have large upfront capital costs but minimal operating expenses over their lifetimes. In some instances, deals can be structured so that direct capital investment is feasible, with pa
Aug 1, 2013
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Spherical charge cratering-plane and angle geometry involving small-scale single and row tests
By D. E. Salman, R. R. Maclachlan, R. J. Barclay
"There is a considerable resource of data for spherical charge cratering, both as single charges and in row-of-charge geometr(1). The data are. however, based on cratering performance to a single free
Jan 1, 1981
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Petroleum Oil Refining
By R. L. Dunsmore
Introduction If one had been called upon to describe petroleum oil refining seventy-five years ago, he could have acceded to the request quite satisfactorily in about fifteen minutes. Fifteen years
Jan 1, 1931
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Chapter 8. The Farm-In/Joint Venture Agreement
By Karl J. C. Harries
"8.1. INTRODUCTIONThe purpose of this chapter is not to provide precedents or examples of provisions, but rather to offer some comments that may be worth considering in the negotiation or review of an
Jan 1, 2003
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Characterization Dynamic Analysis of Interfacial Tension Instability by Gas Bubble Passing through Molten Metal-Slag Interfaces
By R. O. Suzuki, S. Natsui, R. Nashimoto, T. Kumagai, T. Kikuchi, H. Takai
A newly developed computational fluid dynamics model based on a multi-phase particle simulation is presented for predicting the entrainment behavior of liquid metal into slag due to rising single bubb
Jan 1, 2015
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Multipurpose Die Casting Alloys of the AE Family: Production and Recycling
By P. Bakke
Following extensive R&D efforts, Hydro Magnesium has launched a new alloy series with remarkable combinations of properties. The AE alloy family is based on additions of aluminium and rare earth eleme
Jan 1, 2006
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Current Status of the Chemistry of Gold Flotation in Industry
By C. Fortin
ABSTRACT The subject of gold flotation has been reviewed extensively. Most of these reviews focus on the theories of gold flotation and the physical and chemical effects that may impact the efficacy o
Jan 1, 2013
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The Swing to Electricity – Why and How
By George Wilkinson
"AbstractThe consistent relationship between the availability of electrical energy and our economic wellbeing is well known. As we develop the energy we need to nurture industrial civilization in deca
Jan 1, 1977
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Mineral Separation Techniques in Gold Recovery from Refractory Ores
Gold recovery from refractory ores can be very difficult and complicated depending on the causes of the refractoriness. Typically, a fine wind and/or the oxidation of the gold-bearing sulfide minerals
Jan 1, 2011
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The Yunnan Consolidated Tin Corporation, Kochiu, Yunnan, China
By T. T. Ni
FOR MORE THAN 200 years, the Kochiu district of Yunnan province has been, and it still is, the hub of China's tin industry. The district produces annually from 80 to 90 per cent of that country&a
Jan 1, 1951
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Concentration and Extraction of Uranium from Several Types of Canadian Ores
By The Staff
"IntroductionThe published information concerning treatment of uranium ores has been very limited as far as Canadian ores are concerned. Such information has dealt mainly with refining processes for c
Jan 1, 1950
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Recent Patterns of Nickel Use and Development in China
By I. Kirman, B. Waters
World wide applications for nickel use will be summarized and examples of those uses given. Nickel products are critical to many important aspects of modern society. These products are just as importa
Jan 1, 2005